Descriptive Technical
Documentation
- Model-dependent -
DTD no. 12-9800
Model(s): T 9800, T 9820
05.12.2006, US_am
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This information should not be duplicated or passed on without Miele approval. All rights reserved.
05.12.2006, US_am
Descriptive Technical Documentation
1
DTD no. 12-9800
Contents
General Information
A
Warning and Safety Instructions
B
Modification History
C
Technical Data
D
Layout of Electrical Components
Function Groups
010
020
030
05.12.2006, US_am
Housing, Front panel
1
4
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
010-2
010-3
4.1
4.2
4.3
Lid – Remove . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front panel – Remove . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Side panel – Remove. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
010-3
010-4
010-5
Door, Lock
1
2
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
020-1
020-2
2.1
Door lock (A2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
020-2
4
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
020-3
4.1
4.2
4.3
4.4
Door – Remove . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door hinge – Remove . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door hinge – Install . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door lock (A2) – Remove. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
020-3
020-3
020-4
020-4
Drum, rear bearing, sensor, heater bank
1
2
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
030-2
030-4
2.1
2.2
2.3
2.4
2.5
2.6
2.7
No-load detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Residual moisture measurement . . . . . . . . . . . . . . . . . . . . . . . . .
Heater control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature limiter with manual reset (1F1, 2F1, 3F1) . . . . . . . .
NTC temperature sensor drying air (1R30) . . . . . . . . . . . . . . . . .
NTC temperature sensor heating/drying (2R30) . . . . . . . . . . . . .
Drum light (H3/6) (Interior drum light) . . . . . . . . . . . . . . . . . . . . . .
030-4
030-4
030-5
030-5
030-5
030-5
030-6
3
Fault Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
030-7
3.1
Temperature limiter with manual reset (F1) has tripped . . . . . . .
030-7
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Descriptive Technical Documentation
DTD no. 12-9800
2
031
040
4
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
030-9
4.1
4.2
Heater bank – Replace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear bearing – Replace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
030-9
030-10
Heating (Gas)
1
2
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
031-2
031-3
2.1
2.1.1
2.1.2
2.1.3
2.1.4
2.1.5
Gas unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas solenoid valve (Y57). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas ignition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature sensor heating/drying (2R30) . . . . . . . . . . . . . . . . .
Temperature limiter (1F1, 2F1) . . . . . . . . . . . . . . . . . . . . . . . . . . .
031-3
031-3
031-3
031-5
031-5
031-6
4
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
031-7
4.1
4.2
4.3
4.4
4.5
Gas burner – Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas solenoid valve – Remove. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas solenoid valve – Install . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas burner – Remove . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas burner – Install . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
031-7
031-9
031-11
031-13
031-14
Motor, Fan
1
050
040-2
Air duct, Front bearing
1
090
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
050-2
Fascia panel, Control/Power electronic
1
2
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
090-2
090-3
2.1
2.2
2.2.1
2.2.2
Dryer function after a power interruption . . . . . . . . . . . . . . . . . . .
Programming function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Programming function drying outcome (residual moisture)
Cottons/Hot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Programming function drying outcome (residual moisture)
Permanent press . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Programming function – Additional cooldown phase. . . . . . . . . .
Programming function – Prompt to clean air ducts . . . . . . . . . . .
Acoustical acknowledgment . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Conductivity setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stand-by . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Residual moisture sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overriding time control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Insufficient air detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating hours meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fault Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LED Anti-Crease/End lights up solid . . . . . . . . . . . . . . . . . . . . . . .
LED Clean air paths lights up solid . . . . . . . . . . . . . . . . . . . . . . . .
LED Clean air paths flashes rapidly . . . . . . . . . . . . . . . . . . . . . . .
090-3
090-3
090-3
2.2.3
2.2.4
2.2.5
2.2.6
2.2.7
2.2.8
2.2.9
2.3
2.4
2.5
2.6
3
3.1
3.2
3.3
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090-3
090-3
090-3
090-3
090-3
090-4
090-4
090-4
090-4
090-4
090-5
090-5
090-6
090-6
090-7
090-8
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Descriptive Technical Documentation
3
DTD no. 12-9800
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
4
4.1
4.2
4.3
4.4
4.5
100
05.12.2006, US_am
LED Rotary iron flashes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LED Hand iron flashes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
All program LEDs flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F 0 No fault . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F 1 Short circuit in NTC temperature sensor heating/drying
(2R30) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F 2 Open circuit in NTC temperature sensor heating/drying
(2R30) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F 3 NTC temperature sensor drying air (1R30) – Short circuit . .
F 4 NTC temperature sensor drying air (1R30) – Open circuit . .
F 50 Motor stalls and heater is on for 3 seconds . . . . . . . . . . . . .
F 55 Overriding time limit exceeded, approx. 180 min . . . . . . . . .
F 66 Air leakage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Programming mode summary. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Demonstration mode – Activate / Deactivate . . . . . . . . . . . . . . . .
Service mode summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Program selection module (EW) - Service view. . . . . . . . . . . . . .
Program selection module (EW) and fascia support panel –
Remove. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
090-8
090-9
090-10
090-10
090-11
090-11
090-13
090-13
090-14
090-14
090-16
090-17
090-17
090-19
090-20
090-22
090-22
Electrical system
1
4
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
100-2
100-3
4.1
Fuses – Replace. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
100-3
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4
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Descriptive Technical Documentation
DTD no. 12-9800
05.12.2006, US_am
DTD no. 12-9800
Descriptive Technical Documentation
A-1
A
Warning and Safety Instructions
1
General
All repairs should be performed by a trained technician in strict accordance with
national, state and local codes. Any repairs or maintenance performed by
unqualified personnel could be dangerous.
When servicing, modifying, testing or maintaining appliances, all applicable laws,
regulations and accident prevention guidelines must be observed.
Before starting any service work, disconnect the dryer from its power source.
Even with the appliance switched off, voltage may exist on some components.
x
Danger!
Danger of high voltages when working on small components.
In a 1–board control, as in this Control/Program/Power module (EPWL 3xx),
there is no structural galvanic potential disconnection to the power supply.
Therefore be careful when working on small components, these may be carrying
voltage if the dryer is not disconnected completely from its power supply.
As a matter of standard practice, do a visual as well as an operational check.
x
Danger!
Wear protective gloves and use edge shields (M. no. 05057680) to prevent cuts
by sharp-edged components.
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Descriptive Technical Documentation
DTD no. 12-9800
A-2
2
Gas dryers
Service work may only be performed by a technician trained in gas technology,
and in keeping with all relevant safety standards.
Prior to the start of service work, check all gas lines and components to make
sure they are sealed.
If there is a gas odor (odorized gas), shut the gas tap. Avoid sparks or any fire
source, air the rooms.
x
Warning!
Before starting any service or repair work, it is essential to disconnect the dryer
from its gas supply.
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Descriptive Technical Documentation
A-3
DTD no. 12-9800
3
Touch current measurement
Note
A touch current measurement has to be carried out on all accessible conductive
parts that are not connected to ground.
Warning!
Touch current measurement should only be carried out after the ground
connection of the unit under test has been checked and found to be satisfactory!
Dangerous voltages may exist on defective appliances as well as on accessible
conductive parts that are not connected to ground!
Note
Do a touch current measurement on the following accessible conductive parts:
•
05.12.2006, US_am
none.
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A-4
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Descriptive Technical Documentation
DTD no. 12-9800
05.12.2006, US_am
Descriptive Technical Documentation
B-1
DTD no. 12-9800
B
Modification History
When?
Who?
What?
TT.MM.20XX Olaf Meyer zu Drewer Revised Version 1
Start of production beginning of 2007.
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B-2
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Descriptive Technical Documentation
DTD no. 12-9800
05.12.2006, US_am
Descriptive Technical Documentation
C-1
DTD no. 12-9800
C
Technical Data
Heating mode
Electric
Gas
Dimensions
Height x Width x Depth: 39” x 27” x 30” (990 mm x 685 mm
763 mm)
Shipping
dimensions
Height x Width x Depth: 42” x 30” x 32” (1070 mm x 750 mm x
817 mm)
Shipping weight Approx. 165 lbs.
Required
voltage
2NAC 240 V (208V)
1NAC 120 V
2NAC 220 V (MEX)
1NAC 127 V (MEX)
Frequency
60 Hz
Fuses
2 x 30 A
1 x 12 A
Connected load 5.8 kW (USA/CDN)
(electric)
4.9 kW (MEX)
0.3 kW
Natural gas Output
–
40.1 MJ/m3
Natural gas Pressure (Net)
–
Supply pressure 17.4 mbar
Exhaust pipe
(vented dryers
only)
Connecting pipe nominal diameter DN 100
Washer/Dryer
stack
–
Under counter
–
Washer/Dryer
stand
Optional
Liquid propane
conversion
–
PC interface
x
optional
WLAN interface WLAN ready, accessory
(IEEE802.11),
miele@home
Table 1: Technical Data – General
05.12.2006, US_am
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C-2
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Descriptive Technical Documentation
DTD no. 12-9800
05.12.2006, US_am
Descriptive Technical Documentation
D-1
DTD no. 12-9800
D
Layout of Electrical Components
Optical PC interface
x
Layout 1
1 (PC LED) Optical PC interface
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Descriptive Technical Documentation
DTD no. 12-9800
D-2
T 9800
x
Layout 2
1 (Z1)
Interference suppression capacitor
2 (X3/1)
Terminal strip
3 (F2)
Fuse
4 (1K1/1)
Heater relay
5 (2K1/1)
Heater relay
6 (3K1/1)
Heater relay
7 (B3/1)
Residual moisture sensor
8 (1N1)
Electronic unit – Program/Power module (EPWL)
9 (H3/6)
Drum light
10 (R1, R2, R3)
Heater bank
11 (A2)
Door lock
12 (B3/1)
Residual moisture sensor – Drum rib
13 (WLAN) Wireless Local Aera Network (optional)
14 (C5)
Capacitor - Motor (M5)
15 (M5)
Motor - Drying air and drum drive
16 (1R30)
NTC Temperature sensor – Drying air
17 (3F1)
Temperature limiter with manual reset
18 (2F1)
Temperature limiter with manual reset
19 (2R30)
Temperatur sensor – Heating/Drying
20 (1F1)
Temperature limiter with manual reset
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05.12.2006, US_am
DTD no. 12-9800
Descriptive Technical Documentation
D-3
T 9820
x
Layout 3
1 (Z1)
Interference suppression capacitor
2 (X3/1)
Terminal strip
3 (F2)
Fuse
4, 5 (1K1/1, 2K1/1)
Heater relay
6 (B3/1)
Residual moisture sensor
7 (1N1)
Electronic unit – Program/Power module (EPWL)
8 (H3/6)
Drum light
9 (A2)
Door lock
10 (B3/1)
Residual moisture sensor – Drum rib
11 (WLAN) Wireless Local Area Network (optional)
12 (C5)
Capacitor - Motor (M5)
13 (M5)
Motor - Drying air and drum drive
14 (1R30)
NTC temperature sensor – Drying air
15 (Y57/1) Gas solenoid valve
16 (Y57/2) Gas solenoid valve
17 (E1/1)
Ignitor electrode
18 (2F1)
Temperature limiter flame flashback with manual reset
19 (B1/16) Flame sensor (radiant output sensor)
20 (1F1)
Temperature limiter with manual reset
21 (2R30)
Temperature sensor – Heating
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D-4
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Descriptive Technical Documentation
DTD no. 12-9800
05.12.2006, US_am
Descriptive Technical Documentation
010-1
DTD no. 12-9800
010
Housing, Front panel
x
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Descriptive Technical Documentation
DTD no. 12-9800
010-2
1
Technical Data
Design
Upright unit, frame construction, side
walls embossed for reinforcement
Table 1: Technical data – Housing, Front panel
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Descriptive Technical Documentation
010-3
DTD no. 12-9800
4
Service
4.1
Lid – Remove
x
Fig. 1
A Remove the screw caps on the side edges.
A Loosen the raised head screws a maximum of 5 turns.
x
Note
Do not unscrew the raised head screws completely.
A Press in on the raised head screws.
A Lift the lid at the front and slide it toward the rear, thereby releasing it from its
retainers. Take the lid off.
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Descriptive Technical Documentation
DTD no. 12-9800
010-4
4.2
Front panel – Remove
A Remove the dryer lid, refer to Lid – Remove, 010 4.1.
A Remove the fascia support plate, refer to Program selection module (EW) and
fascia support panel – Remove, 090 4.5.
A Take the door off, refer to Door – Remove, 020 4.1.
x
Note
Remove the door so it doesn't get damaged as the front panel is being removed.
Fig. 2
A Release the front panel attachment.
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05.12.2006, US_am
DTD no. 12-9800
4.3
Descriptive Technical Documentation
010-5
Side panel – Remove
A Remove the dryer lid, refer to Lid – Remove, 010 4.1.
A Remove the front panel, refer to Front panel – Remove, 010 4.2.
x
Fig. 3
A Remove the side panel retaining screws.
A Take the side panel off.
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010-6
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Descriptive Technical Documentation
DTD no. 12-9800
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Descriptive Technical Documentation
020-1
DTD no. 12-9800
020
Door, Lock
1
Technical Data
x
Fig. 1
Door
Porthole door, Door hinge is on the left and cannot be
reversed
Lock
Manual pull-open lock
Door lock contact switch (A2), Drum door open =
contact open
Table 1: Technical data – Door, Lock
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Descriptive Technical Documentation
DTD no. 12-9800
020-2
2
Function
2.1
Door lock (A2)
Pull the door open.
An open door is registered by a microswitch in the door lock.
Microswitch in door lock (A2): Drum door open = > Contact open.
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05.12.2006, US_am
DTD no. 12-9800
4
Service
4.1
Door – Remove
Descriptive Technical Documentation
020-3
x
Fig. 2
4.2
Door hinge – Remove
A Remove the door, refer to Door – Remove, 020 4.1.
A Take the front panel off, refer to Front panel – Remove, 010 4.2.
A Detach the hinge attachment from the front panel, take the washer and the
hinge off.
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Descriptive Technical Documentation
DTD no. 12-9800
020-4
4.3
Door hinge – Install
A Position the door seal such that the welded seam of the seal is at the hinge.
4.4
Door lock (A2) – Remove
x
Fig. 3
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DTD no. 12-9800
Descriptive Technical Documentation
020-5
A Remove the front panel, refer to Front panel – Remove, 010 4.2.
A Take the door lock (A2) off and pull the connecting plug off.
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020-6
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Descriptive Technical Documentation
DTD no. 12-9800
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DTD no. 12-9800
030
Descriptive Technical Documentation
030-1
Drum, rear bearing, sensor, heater bank
x
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Descriptive Technical Documentation
DTD no. 12-9800
030-2
1
Technical Data
Maximum load
17.6 lbs (8 kg)
Drum volume
48 gal (180 Liter)
Drum speed
48 RPM
Reversing rhythm
300 / 30 seconds (clockwise / counterclockwise)
Table 1: Technical data – Drum
Heating mode
Electrical, Gas, refer to 031 Table 1
Heating mode
Duct heater bank (R1, R2, R3); 3 filament
Heater output
5.2 kW (1.90 kW, 1.70 kW, 1.60 kW)
Temperature sensor
Temperature sensor heating/drying (2R30)
Temperature limiter
3 * 3/4“ Temperature limiter (F1) with manual reset, 16 A
Table 2: Technical data – Heater bank, electrical
Temperature °F (°C)
Resistance (kΩ)
32 (0)
340
41 (5)
261
50 (10)
203
59 (15)
159
68 (20)
126
77 (25)
100
86 (30)
80.2
95 (35)
64.8
104 (40)
52.7
113 (45)
43.1
122 (50)
35.5
131 (55)
29.4
140 (60)
24.5
149 (65)
20.5
158 (70)
17.3
167 (75)
14.6
176 (80)
12.5
185 (85)
10.6
194 (90)
9.13
199 (93)
8.34
203 (95)
7.86
212 (100)
6.80
230 (110)
5.14
248 (120)
3.95
266 (130)
3.07
284 (140)
2.41
302 (150)
1.92
320 (160)
1.55
338 (170)
1.26
356 (180)
1.03
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Descriptive Technical Documentation
030-3
DTD no. 12-9800
Temperature °F (°C)
Resistance (kΩ)
374 (190)
0.852
392 (200)
0.710
Table 3: NTC temperature sensor (2R30) heating/drying - Resistance values
Temperature ° F (°C)
Resistance (kΩ)
32 (0)
38.0
41 (5)
29.7
50 (10)
23.4
59 (15)
18.6
68 (20)
14.9
77 (25)
12.0
86 (30)
9.73
95 (35)
7.96
104 (40)
6.55
113 (45)
5.42
122 (50)
4.52
131 (55)
3.78
140 (60)
3.19
149 (65)
2.70
158 (70)
2.29
167 (75)
1.96
176 (80)
1.68
185 (85)
1.45
194 (90)
1.25
199 (93)
1.15
203 (95)
1.09
212 (100)
1.06
230 (110)
0.73
248 (120)
0.569
266 (130)
0.449
284 (140)
0.358
302 (150)
0.289
Table 4: NTC temperature sensor (1R30) drying air - Resistance values
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Descriptive Technical Documentation
DTD no. 12-9800
030-4
2
Function
2.1
No-load detection
Only in residual moisture programs.
Sensing of no-load and very dry laundry.
The electrical resistance of the load is detected via the residual moisture sensor
(B3/1).
If the electrical resistance is very high, it means the laundry is dry, or there is no
load in the drum.
The drying cycle is stopped within 30 seconds of start.
The display shows the message: Check load.
2.2
Residual moisture measurement
Resistance measurement:
The residual moisture is calculated based on the electrical resistance of the damp
laundry.
The electrical resistance of the damp laundry is measured by a sensor, between a
drum rib and the drum casing.
x
Note
In 1–rib sensing only one rib is used for measuring.
The value of the electrical resistance depends on the type of laundry, the degree
of moisture, the laundry load (weight) and the drum rotating angle (centrifugal
force, rib contact).
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DTD no. 12-9800
2.3
Descriptive Technical Documentation
030-5
Heater control
Safety function:
If the NTC temperature sensor drying air (1R30) is defective, the heater is not
switched on.
The heater is switched off as soon as the heater relay is activated for more than 5
seconds without the motor relay being activated.
Heater reactivation is delayed by 10 s, the auxiliary heater is switched off before,
during and after a reversing pause.
2.4
Temperature limiter with manual reset (1F1, 2F1, 3F1)
T 9800
Three closed 3/4 inch temperature limiters, with manual reset via pushbutton, are
on the heater bank.
2.5
NTC temperature sensor drying air (1R30)
If the temperature sensor drying air NTC detects temperatures lower than 5°F (15°C) or higher than 320°F (160 °C), the NTC must be considered defective.
2.6
NTC temperature sensor heating/drying (2R30)
An open circuit in the NTC temperature sensor heating/drying (2R30) can only be
detected at temperatures higher than 57 °F (14 °C). Since lower temperatures
can exist during operating, sensor readings will only be evaluated after the heater
has been running for at least 1 minute.
x
Note
If the heater is defective, Fault F 4 (drying/heating temperature sensor, 2R30) is
issued.
If the NTC temperature sensor heating/drying has a short circuit, corresponding to
482 °F, the heater is switched off immediately.
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Descriptive Technical Documentation
DTD no. 12-9800
030-6
2.7
Drum light (H3/6) (Interior drum light)
Time controlled: 1 second after the door is opened.
Switch off delay: 5 minutes.
When the door is closed, the light is always switched off.
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Descriptive Technical Documentation
030-7
DTD no. 12-9800
3
Fault Repair
3.1
Temperature limiter with manual reset (F1) has tripped
Symptom
The temperature limiter has tripped repeatedly.
Cause
Clogged door lint filter.
Remedy
A Clean the door lint filter.
Cause
Clogged air duct vents.
Remedy
A Clean the air duct openings.
Cause
Clogged air vents/exhaust vents.
Remedy
A Clean the air vents/exhaust vents.
Cause
Drum is sluggish.
Remedy
A Check the front bearing seals (front and back needle felting) for correct
position.
A Check the bearing of the front support roller, and adjust it.
Cause
Intermediate V-belt power transmission is faulty.
Remedy
A Check the intermediate V-belt for dirt deposits, wear and tear, and tension.
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Descriptive Technical Documentation
DTD no. 12-9800
030-8
Cause
Drum V-belt is faulty.
Remedy
A Check the drum V-belt for dirt deposits, wear and tear, and tension (tension
spring of intermediate drive).
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DTD no. 12-9800
4
Service
4.1
Heater bank – Replace
Descriptive Technical Documentation
030-9
T 9800
A Remove the dryer lid, refer to Lid – Remove, 010 4.1.
A Remove the front panel, refer to Front panel – Remove, 010 4.2.
A Remove the right side panel, refer to Side panel – Remove, 010 4.3.
x
Fig. 1
A Remove the service panel door at the dryer back.
A Take the wire out of the heater bank wiring harness (rear of appliance
housing).
A Disconnect the plugs.
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Descriptive Technical Documentation
DTD no. 12-9800
030-10
4.2
Rear bearing – Replace
A Remove the dryer lid, refer to Lid – Remove, 010 4.1.
A Remove the front panel, refer to Front panel – Remove, 010 4.2.
A Remove the right side panel, refer to Side panel – Remove, 010 4.3.
A Take the V-belt off the intermediate drive.
A In electrically run dryers: Detach the heater bank attachment and take the
heater bank off, refer to Heater bank – Replace, 030 4.1.
x
Fig. 2: Bearing housing attachment
A Unscrew the bearing housing attachment.
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DTD no. 12-9800
Descriptive Technical Documentation
030-11
x
Fig. 3
A Take the top plate off.
A Unlock the drum bearing at the back and take it off.
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030-12
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Descriptive Technical Documentation
DTD no. 12-9800
05.12.2006, US_am
DTD no. 12-9800
031
Descriptive Technical Documentation
031-1
Heating (Gas)
T 9820
x
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Descriptive Technical Documentation
DTD no. 12-9800
031-2
1
Technical Data
Heating mode
Gas, for electric refer to 030 Table 2
Gas burner
Gas burner, pipe configuration, 5.7 kW.
Model: Venturi
Natural gas version - output
5.4 kW ANSI Gas A, 40.1 MJ/m3
Temperature sensor
Temperature sensor heating/drying
(2R30)
Temperature limiter
Two 3/4” bi-metal temperature limiters
(1F1, 2F1) with manual reset, 16 A,
120°C/100 °C ± 5 K
Safety time, refer to 031 2.1.3 Safety
time
≤ 90 seconds
Table 1: Technical data – Heating (Gas)
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Descriptive Technical Documentation
031-3
DTD no. 12-9800
2
Function
2.1
Gas unit
2.1.1
Gas solenoid valve (Y57)
In gas dryers the gas solenoid valve (Y57) is activated via the heater relays (1K1/
1) and (2K1/1).
Gas solenoid valve (Y57) consists of gas solenoid valves (Y57/1) and (Y57/2).
Gas solenoid valve (Y57/1) in turn consists of a maintaining coil (Y57/1) and a
booster coil (Y57/1).
Gas solenoid valve (Y57) only opens when both the solenoid valves (Y57/1) and
(Y57/2) are opened.
Gas solenoid valve (Y57/1) in turn only opens when the maintaining coil (Y57/1)
and the booster coil (Y57/1) carry voltage.
Once gas solenoid valve (Y57/1) is open, it remains in this state, as long as the
maintaining coil (Y57/1) carries voltage.
2.1.2
Gas ignition
x
Fig. 1
1
2
3
4
5
6
7
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Temperature sensor heating (1R30, 2R30) in heating duct
Gas solenoid valve (Y57)
Gas solenoid valve (Y57/2)
Gas solenoid valve (Y57/1)
Maintaining coil gas solenoid valve (Y57/1)
Booster coil gas solenoid valve (Y57/1)
Ignitor (E1/1)
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Descriptive Technical Documentation
DTD no. 12-9800
031-4
8
9
Temperature limiter (1F1, 2F1)
Flame sensor (radiance sensor B1/16)
x
Fig. 2
At the start of the drying process, the flame sensor (B1/16) is in a cool state and
closed.
Gas solenoid valve (Y57/2) is not carrying voltage and is therefore closed.
At the demand for heating, both heater relays 1K1/1 and 2K1/1 close.
Maintaining coil and booster coil of gas solenoid valve (Y57/1) carry voltage – gas
solenoid valve (Y57/1) opens, ignitor electrode (E1/1) receives voltage and slowly
starts to glow.
Since not both gas solenoid valves (Y57/2) and (Y57/1) switched in sequence are
open, gas does not yet flow.
x
Fig. 3
Once the heat radiance on flame sensor (B1/16) is strong enough, the thermostat
opens.
Now the ignitor electrode (E1/1) no longer carries voltage. However now the gas
solenoid valve (Y57/2) receives voltage via the low ohmic ignitor electrode (E1/1)
and the gas solenoid valve (Y57/2) opens.
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Descriptive Technical Documentation
031-5
DTD no. 12-9800
Since gas solenoid valve (Y57/1) is still open via the maintaining coil, gas now
flows into the burner and ignites at the glowing ignitor electrode (E1/1).
x
Fig. 4
The flame is on.
The flame keeps the flame sensor (B1/16) at temperature, and open.
x
Fig. 5
If the flame goes out, the sluggishness of the flame sensor (B1/16), has the effect
that the gas continues to flow for a while until gas solenoid valve (Y57/2) closes
and stops the gas flow.
Safety time, refer to 031 2.1.3 Safety time.
If the burner overheats, the thermostat/temperature limiter (1F1, 2F1) interrupts
the voltage circuit of gas solenoid valve Y57, gas solenoid valve (Y57/1 und Y57/
2) shuts off.
2.1.3
Safety time
The safety time is the time span between the point when the flame goes out and
the gas supply shuts off.
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Descriptive Technical Documentation
DTD no. 12-9800
031-6
2.1.4
Temperature sensor heating/drying (2R30)
Temperature sensor heating/drying (2R30) at the reflective plate, under the back
service panel, NTC characteristic curve, refer to 030 Table 3.
2.1.5
Temperature limiter (1F1, 2F1)
Two 3/4” bi-metal temperature limiters (1F1, 2F1) with manual reset at the burner.
The bi-metal temperature limiter (1F1) at the burner exit serves to detect any
overheating of the burner due to insufficient air or air leakage.
The bi-metal temperature limiter (2F1) at the burner entrance serves to detect any
flame flashback.
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DTD no. 12-9800
4
Service
4.1
Gas burner – Check
Descriptive Technical Documentation
031-7
x
Danger!
Danger of burning.
The ignitor electrode (E1/1) begins to glow.
Gas ignites at the ignitor electrode (E1/1).
Note
There is a measuring port for jet pressure at the gas valve, no measuring port for
the gas tapping pressure.
A Test the gas resting pressure, target value: 17.4 mbar
x
Note
Gas resting pressure: Pressure of gas that is stationary, without tapping the gas.
A Check the gas tapping pressure, target value: 8.2 mbar.
x
Note
Gas tapping pressure: Gas flow pressure at the connection of the dryer, with the
burner running.
This pressure can only be measured with functional burner, while operating.
A Check the temperature limiter (1F1, 2F1) for continuity.
x
Warning!
If the front temperature limiter (2F1) has tripped it has to be assumed that the
burner and the connecting cables have sustained thermal damage by a
flashback.
In this case, replace the burner, complete with connecting cables.
At the same time, check the general area of the burner for heat damage.
Warning!
If the rear temperature limiter (1F1) has tripped, check the exhaust air duct and
the fan for heat damage.
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Descriptive Technical Documentation
DTD no. 12-9800
031-8
A Check the function of the exhaust air duct and the fan.
A Check the flame sensor (B1/16) for continuity, at room temperature.
x
Danger!
Danger of high voltage when working on the appliance while it's opened.
Components carry voltage.
A Start the drying program.
A Check if the heater relays (1K1/1) and (2K1/1) close.
A Check if the maintaining coil and the booster coil of the gas solenoid valve
(Y57/1) receive voltage, and if the gas solenoid valve opens audibly.
x
Note
No gas flow, since gas solenoid valve (Y57/2) is closed.
Fig. 6: Port for measuring jet pressure
A Check that no gas flows out, measure gas tapping pressure, refer to 031 Fig.
6.
A Check if the ignitor electrode (E1/1) carries voltage and starts glowing.
A With the ignitor electrode (E1/1) glowing, check if flame sensor (B1/16) opens.
A Check if now the gas solenoid valve (Y57/2) receives voltage via the low
ohmic ignitor electrode (E1/1) and the gas solenoid valve (Y57/2) opens. Jet
pressure, refer to 031 Fig. 6.
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Descriptive Technical Documentation
031-9
DTD no. 12-9800
A Check if gas solenoid valve (Y57/1) continues to be open via the maintaining
coil of the gas solenoid valve.
A Check if, with the flame gone out, the gas solenoid valve (Y57/2) closes flame
sensor (B1/16) within the safety time and shuts off the gas stream. Safety
time, refer to 031 2.1.3 Safety time.
4.2
Gas solenoid valve – Remove
A Remove the dryer lid, refer to Lid – Remove, 010 4.1.
A Remove the front panel, refer to Front panel – Remove, 010 4.2.
A Remove the left side panel, refer to Side panel – Remove, 010 4.3.
x
Fig. 7
A Pull the plugs off the gas regulation valve.
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Descriptive Technical Documentation
DTD no. 12-9800
031-10
x
Fig. 8
A Release the connecting line from the gas regulation valve. Tools: Two 17 mm
open-end wrenches. With one wrench, loosen the nut on the gas line, and
with the other, maintain counter pressure on the valve.
A Remove the retaining bracket of the gas regulation valve. Tools: 7 mm Allen
wrench and Phillips screwdriver.
A Take the gas regulation valve off the burner.
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Descriptive Technical Documentation
031-11
DTD no. 12-9800
4.3
Gas solenoid valve – Install
x
Warning!
Clean soiled components with spray cleaner, MICROTEC Profi-Clean, M. no.
05321000.
A Insert the gas regulation valve into the burner.
A Fasten the bracket of the gas regulation valve. Tools: 7 mm Allen wrench and
Phillips screwdriver.
x
Fig. 9
A Tools: Two 17 mm wrenches. Attach the gas connecting line to the gas
regulation valve. Fasten the connecting nut and turn all the way to its stop.
x
Fig. 10
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Descriptive Technical Documentation
DTD no. 12-9800
031-12
A For the permanent assembly, give the connecting nut another 1/4 turn with a
17 mm open-end wrench (19 Nm ± 1 Nm), maintain counter pressure on the
double nipple with a second 17 mm open-end wrench.
x
Fig. 11
A Connect the 2 plugs and the ground lead to the gas regulation valve.
A Attach the right side panel.
A Attach the front panel.
A Attach the fascia panel.
A Attach the dryer lid.
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Descriptive Technical Documentation
031-13
DTD no. 12-9800
x
Warning!
Perform an electrical safety check.
Perform a gas safety check.
With the system under normal gas pressure, check the gas connections for tight
seal using a spray such as Leak Test.
Check the dryer for correct function.
4.4
Gas burner – Remove
A Remove the dryer lid, refer to Lid – Remove, 010 4.1.
A Remove the front panel, refer to Front panel – Remove, 010 4.2.
A Remove the left side panel, refer to Side panel – Remove, 010 4.3.
A Remove the gas solenoid valve, refer to Gas solenoid valve – Remove, 031
4.2.
x
Fig. 12
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Descriptive Technical Documentation
DTD no. 12-9800
031-14
A Loosen the burner retaining screw and take the burner off.
4.5
Gas burner – Install
x
Fig. 13
A Secure the burner with a screw.
A Fit the gas solenoid valve, refer to Gas solenoid valve – Install, 031 4.3.
A Attach the left side panel, refer to Side panel – Remove, 010 4.3.
A Attach the front panel, refer to Front panel – Remove, 010 4.2.
A Attach the fascial panel.
A Fit the dryer lid, refer to Lid – Remove, 010 4.1.
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Descriptive Technical Documentation
031-15
DTD no. 12-9800
x
Warning!
Carry out an electrical safety check.
Carry out a gas safety check.
With the system under normal gas pressure, check the gas connections for tight
seal using a spray such as Leak Test.
Check the function of the dryer.
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031-16
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Descriptive Technical Documentation
DTD no. 12-9800
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DTD no. 12-9800
040
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Descriptive Technical Documentation
040-1
Motor, Fan
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Descriptive Technical Documentation
DTD no. 12-9800
040-2
1
Technical Data
Vented Dryer
Gas Dryer
Motor, Fan
Motor drying air and drum drive (M5), Rating approx. 400 W
Drying air fan,
volume flow,
free flowing
Approx. 471 cubic yards / h (360 m3 / h). (20 m pipe, d = 4”
(100 mm), straight run without additional structures
Table 1: Technical data – Motor, Fan
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Descriptive Technical Documentation
050-1
DTD no. 12-9800
050
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Air duct, Front bearing
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Descriptive Technical Documentation
DTD no. 12-9800
050-2
1
Technical Data
Filter
Flat filter
Temperature
sensor drying
air
NTC (1R30)
Drum light (H3/
6)
E 14 Bayonet closure, activation via relay on the Program/
Power module (EPWL). USA: 120 V, 15 W
Table 1: Technical data – Air duct, Front bearing
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DTD no. 12-9800
090
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Descriptive Technical Documentation
090-1
Fascia panel, Control/Power electronic
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Descriptive Technical Documentation
DTD no. 12-9800
090-2
1
Technical Data
Heating mode
Electrical
Gas
Control/Power
electronic
USA/CDN/MEX: Program/
Power module (1N1): EPWL
341 (Single board electronic)
USA/CDN/MEX: Program/
Power module (1N1): EPWL
345 (Single board electronic)
Can be updated via optical PC interface installed standard
Drying
technology
Reversing cycle times 300 / 30 Up to Rotary iron, no
seconds (clockwise /
reversing. Starting with
counterclockwise)
Rotary iron, reversing cycle
times 600 / 30 seconds
(clockwise /
counterclockwise)
Residual moisture sensing: Target values, residual moisture
sensor (B3/1), 1-rib sampling
Insufficient air detection via temperature sensor heating/drying
(2R30) and temperature sensor drying air (1R30)
Table 1: Technical data – Fascia panel, Electrical system
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Descriptive Technical Documentation
090-3
DTD no. 12-9800
2
Function
2.1
Dryer function after a power interruption
The dryer continues automatically at the point the program was interrupted.
2.2
Programming function
2.2.1
Reset
Reset all programming options to factory setting.
x
Note
The reset takes effect immediately, it's not possible to restore the previous
settings!
Operating hours are not reset.
Not possible with service department electronics.
2.2.2
Programming function drying outcome (residual moisture) Cottons/Hot
Drying can be set more damp or more dry, to suit customer preference.
2.2.3
Programming function drying outcome (residual moisture) Permanent
press
Drying can be set more damp or more dry, to suit customer preference.
x
Permanent press
Normal dry
more damp
standard
more dry
4%
2%
0%
Table 2: Residual moisture Permanent press
2.2.4
Memory
When the memory function is activated, the extra features selected at the start of
a program are saved. When the same program is selected again, these extra
features are automatically called up.
2.2.5
Programming function – Additional cooldown phase
Applies only to residual moisture programs.
An extended cooldown time reduces the temperature of the laundry at program
end. The result is that the laundry feels less damp.
The cooldown time extension has no effect on timed drying programs.
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Descriptive Technical Documentation
DTD no. 12-9800
090-4
2.2.6
Programming function – Prompt to clean air ducts
Operators can adjust the prompt to clean air ducts to their needs.
Insufficient air sensor, refer to 090 2.5 Insufficient air detection.
2.2.7
Acoustical acknowledgment
Set the acoustical tone to sound when a touchpad is pressed.
2.2.8
Conductivity setting
The conductivity of the damp textiles is evaluated and forms the basis of residual
moisture sensing.
Residual moisture sensing, refer to 090 2.3 Residual moisture sensing.
Soft water does not conduct as well as hard water. The effect of soft water on
residual moisture sensing can be compensated with this programming function in
areas of soft water.
2.2.9
Stand-by
With stand-by activated, the control lights and the drum light (H3/6) are dimmed
after 5 minutes, to save energy.
2.3
Residual moisture sensing
The electronic detects the conductivity [µS] of the textiles via the residual
moisture sensor (B3/1).
The residual moisture of the laundry is based on the measured conductivity value.
2.4
Overriding time control
A fixed maximum time of approx. 180 minutes is imposed on all residual moisture
drying programs at program start. After this time has elapsed, any drying program
is stopped and the cooldown phase for faults is carried out. There is no anticrease action, and no fault code is indicated. The fault is saved and can be called
up in the service mode.
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05.12.2006, US_am
DTD no. 12-9800
2.5
Descriptive Technical Documentation
090-5
Insufficient air detection
The temperature sensor heating/drying (2R30) monitors the temperature increase
in the heater bank.
If the air paths are clogged during heating, the temperature in the heater bank
rises rapidly.
This is detected and the fault message “insufficient air” is displayed.
If the temperature at the temperature sensor heating/drying (2R30) exceeds 356
°F (180 °C), fault code F 66 “leaking air” is issued.
2.6
Operating hours meter
The time is counted from program start to the end of cool down, without the time
for delay start and anti-crease action.
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Descriptive Technical Documentation
DTD no. 12-9800
090-6
3
Fault Repair
3.1
LED Anti-Crease/End lights up solid
Symptom
This fault occurs in the normal operating mode, only in residual moisture
programs.
Program stop, cooling air phase, intermittent buzzer tone.
Opening and then closing the door deletes this fault message.
Cause
The drum is empty, or loaded with a few laundry items only. The laundry is too
dry.
The residual moisture sensor (B3/1) voltage circuit is high-ohmic, the residual
moisture sensor has no-load detection, this is not a technical fault.
No-load detection, refer to 030 2.1 No-load detection.
Remedy
A Correct the load, or switch to a timed program.
Cause
Defective residual moisture sensor (B3/1).
Check the residual moisture sensor (B3/1)
A Check the residual moisture sensor (B3/1) for low-ohmic (continuity) status,
refer to Service mode summary, 090 4.3.
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Descriptive Technical Documentation
090-7
DTD no. 12-9800
3.2
LED Clean air paths lights up solid
Symptom
Normal program run.
Fault indication at the end of the cooling air cycle.
Insufficient air detection, refer to 090 2.5 Insufficient air detection.
Opening and closing the door deletes this fault code indication.
Cause
Air paths are clogged.
Remedy
x
Note
Clean the lint filter, refer to operating instructions.
A Clean the lint filter in the door casing and in the fill ring.XXX
A Clean the air paths in the dryer.
Cause
The fault message “Clean air paths” is issued prematurely.
Remedy
A Adjust the fault message indication “Clean air paths”, refer to operating
instructions, or Programming mode summary, 090 4.1.
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Descriptive Technical Documentation
DTD no. 12-9800
090-8
3.3
LED Clean air paths flashes rapidly
Symptom
The fault occurs in the operating mode: Program stop, cooling air phase, buzzer
sounds intermittently for 2 minutes.
Fault code F 66 in the fault memory: Leaking air fault.
Cause
Air paths are clogged.
Insufficient air measurement, refer to 090 2.5 Insufficient air detection.
Remedy
A Clean air paths.
A Delete fault memory, refer to Service mode summary, 090 4.3.
3.4
LED Rotary iron flashes
Symptom
The fault occurs in the operating mode: Program stop, cooling air phase, buzzer
sounds intermittently for 2 minutes.
Fault code F 1 or F 2 in the fault memory: NTC temperature sensor heater bank
short circuit or open circuit.
Cause
NTC temperature sensor heater bank short circuit or open circuit.
Remedy
A Check the lines and plugs of temperature sensor heating/drying (2R30) for
short circuit and open circuit.
A Temperature sensor heating/drying (2R30) characteristic curve, refer to 030
Table 3.
A Delete fault memory, refer to Service mode summary, 090 4.3.
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Descriptive Technical Documentation
090-9
DTD no. 12-9800
3.5
LED Hand iron flashes
Symptom
The fault occurs in the operating mode: Program stop, cooling air phase, buzzer
sounds intermittently for 2 minutes.
Fault code F 3 or F 4 in the fault memory: NTC temperature sensor drying air
(1R30) short circuit or open circuit.
Cause
Temperature sensor heating/drying (2R30) open circuit (< 68 °F), evaluation only
after the heater has been run for at least 1 minute.
Remedy
A Check the lines and plugs of temperature sensor heating/drying (2R30) for
short circuit and open circuit.
A Temperature sensor heating/drying (2R30) characteristic curve, refer to 030
Table 3.
Cause
Heater bank is not heating. Unheated, the sensor is below the measuring
threshold of 68 °F.
Remedy
A Electric: Check the heater element (R1) for short circuit and open circuit.
Cause
Electric: Defective heater relay (K1/1).
Remedy
A Check the heater relay (K1/1).
Cause
Electric: Temperature limiter with manual reset (F1) has tripped.
Remedy
A Reset the temperature limiter (F1).
A Find the cause for the temperature limiter tripping, and rectify it.
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Descriptive Technical Documentation
DTD no. 12-9800
090-10
Cause
Gas: Gas burner is not heating.
Remedy
A Check the burner, refer to Gas burner – Check, 031 4.1.
3.6
All program LEDs flash
Symptom
No program start, no access to the programming or service mode.
Cause
Demo mode is activated.
Remedy
A Deactivate the demo mode, refer to Demonstration mode – Activate /
Deactivate, 090 4.2.
3.7
F 0 No fault
Cause
No fault is saved in the fault memory of the power module (ELP).
Remedy
A None.
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Descriptive Technical Documentation
090-11
DTD no. 12-9800
3.8
F 1 Short circuit in NTC temperature sensor heating/drying
(2R30)
Symptom
Program stop, cooling air phase, buzzer intermittent tone.
Only the timed program “cold air” still works.
The LED Rotary iron flashes.
The LED Clean air paths flashes.
Opening and closing the door deletes this fault code indication.
Cause
Short circuit in temperature sensor heating/drying (2R30) (> 480 °F).
Remedy
A Check the lines and plugs of the temperature sensor heating/drying (2R30)
for short circuit and open circuit.
A For temperature sensor heating/drying characteristic curve, refer to 030 Table
3.
3.9
F 2 Open circuit in NTC temperature sensor heating/drying
(2R30)
Symptom
Program stop, cooling air phase, intermittent buzzer tone.
Only the timed program “cold air” still works.
The LED Rotary iron flashes.
The LED Clean air paths flashes.
Opening and closing the door deletes this fault code indication.
Cause
Open circuit of temperature sensor heating/drying (2R30) (< 68 °F), evaluation
only after the heater has been run for at least 1 minute.
Remedy
A Check the lines and plugs of the temperature sensor heating/drying (2R30)
for short circuit and open circuit.
A For NTC temperature sensor heating/drying characteristic curve, refer to 030
Table 3.
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Descriptive Technical Documentation
DTD no. 12-9800
090-12
Cause
Heater bank is not heating. Without heat, the sensor is below the measuring
threshold of 68 °F.
Remedy
A Electric: Check the heater bank (R1) for short circuit and open circuit.
Cause
Electric: Heater relay (K1/1).
Remedy
A Check the heater relay (K1/1).
Cause
Electric: Temperature limiter with manual reset (F1) has tripped.
Remedy
A Reset the temperature limiter (F1).
A Find the cause for the temperature limiter tripping, and rectify it.
Cause
Gas: Gas burner not heating.
Remedy
A Check the gas burner, refer to Gas burner – Check, 031 4.1.
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Descriptive Technical Documentation
090-13
DTD no. 12-9800
3.10
F 3 NTC temperature sensor drying air (1R30) – Short circuit
Symptom
Program stop, cooling air phase, intermittent buzzer tone.
Only the timed program “cold air” still works.
The LED Hand iron flashes.
The LED Clean air paths flashes.
Opening and closing the door deletes this fault code indication.
Cause
Short circuit (> 320 °F) in temperature sensor heating/drying (1R30).
Remedy
A Check the lines and plugs of temperature sensor drying air (1R30) for short
circuit and open circuit.
A For temperature sensor drying air (1R30) characteristic curve, refer to 030
Table 4.
3.11
F 4 NTC temperature sensor drying air (1R30) – Open circuit
Symptom
Program stop, cooling air phase, intermittent buzzer tone.
Only the timed program “cold air” still works.
The LED Hand iron flashes.
The LED Clean air paths flashes.
Opening and closing the door deletes this fault code indication.
Cause
Open circuit (< - 60 °F) in temperature sensor drying air (1R30) ./
XXXTemperaturfühler-Prozessluft (1R30), Unterbrechung (< - 15 °C).
Remedy
A Check the lines and plugs of temperature sensor drying air (1R30) for short
circuit and open circuit.
A For temperature sensor drying air (1R30) characteristic curve, refer to 030
Table 4.
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Descriptive Technical Documentation
DTD no. 12-9800
090-14
3.12
F 50 Motor stalls and heater is on for 3 seconds
Symptom
The motor for drying air/cooling air and drum drive (M5) stalls.
The fault occurs in the operating mode: Program stop, cooling air phase,
intermittent buzzer tone.
Opening and closing the door deletes this fault code indication.
Cause
This is an internal fault of the Control/Program/Power module (1N1, EPWL).
Remedy
A Check the drying air, cooling air and drum drive motor (M5).
A Replace the Control/Program/Power module (1N1, EPWL, Single Board
Control)
3.13
F 55 Overriding time limit exceeded, approx. 180 min
Symptom
Only in residual moisture programs.
This fault occurs in the normal operating mode: Program stop, cooling air phase,
intermittent buzzer tone for 2 minutes.
The LED Anti Crease/End lights up solid.
The Fault/Vent LED lights up solid.
Opening and closing the door deletes this fault code indication.
The safety time has been exceeded, refer to 090 2.4 Overriding time control.
Cause
Laundry too wet, or dryer overloaded.
Remedy
A Spin the laundry more thoroughly in the washer, or reduce the laundry load.
Cause
Laundry is electrically conductive (low ohmic), due to a metal zipper for example.
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05.12.2006, US_am
Descriptive Technical Documentation
090-15
DTD no. 12-9800
Remedy
A Run a timed warm air program.
Cause
Air path clogged.
Remedy
A Check the air paths and clean them.
Cause
Heater bank is not heating.
Remedy
A Check the heater element (R1) for short circuit and open circuit.
Cause
Heater relay (K1/1).
Remedy
A Check the heater relay (K1/1).
Cause
Temperature limiter (SOD, F2).
Remedy
A Check the temperature limiter (SOD, F2) for open circuit.
Cause
Defective residual moisture sensor (B3/1).
Residual moisture sensor (B3/1)-Check the sampler:
A Check the residual moisture sensor (B3/1) voltage circuit for high ohmic
(isolation) status, refer to Service mode summary, 090 4.3.
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Descriptive Technical Documentation
DTD no. 12-9800
090-16
3.14
F 66 Air leakage
Symptom
This fault occurs in the normal operating mode: Program stop, cooling air phase,
intermittent buzzer tone for 2 minutes.
Cause
Air paths clogged.
Insufficient air measurement, refer to 090 2.5 Insufficient air detection.
Remedy
A Clean the air paths.
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05.12.2006, US_am
Descriptive Technical Documentation
090-17
DTD no. 12-9800
4
Service
4.1
Programming mode summary
Initial requirements
A The dryer is set up and installed correctly.
A End the current program as well as the demo mode.
A Open the door.
Accessing
x
Note
Access has to be completed within 10 s.
A Press the Start/Stop pad and hold it.
A Close the door.
A As soon as the Start LED flashes, release the Start pad.
A Immediately press Start 5 x and at the 5th time, hold it until the Start/Stop
LED flashes rapidly (5Hz).
Acknowledgement indicator
Start/Stop LED flashes rapidly (5 Hz).
If access is not successful, the control automatically reverts to the normal
programming mode.
Options
A Select the programming function: Press the Buzzer pad.
The buzzer pad shows the programming function via a flashing rhythm.
A Select the option: Press the Start/Stop pad.
The Drying LED shows the Option selected via a flashing rhythm.
x
Warning!
For the dryer to function properly, specific options for the country it is operating
in have to be selected.
The service department software has to be adapted.
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Descriptive Technical Documentation
DTD no. 12-9800
090-18
Programming function
Buzzer LED
long
short
Option
Drying LED
short
adapted options
Reset, refer to 090 2.2.1 Reset
Drying outcome (residual
moisture) Cottons/Hot, refer to
-
-
Drying outcome (residual
moisture) Permanent press, refer
to
-
Memory, refer to 090 2.2.4 Memory
-
Cooling phase, refer to 090 2.2.5
Programming function – Additional
cooldown phase
Insufficient air alert, refer to 090
2.2.6 Programming function –
Prompt to clean air ducts
-
1
1
2
3
6
7
-
Acoustical acknowledgment of
touch pad activation, refer to 090
2.2.7 Acoustical acknowledgment
1
1
Characteristic curve setting, refer
to 090 2.2.8 Conductivity setting
1
2
Stand-by, refer to 090 2.2.9 Standby
1
3
0
delivery condition
1
more damp
1
standard
2
more dry
3
more damp
1
standard
2
more dry
3
off, memory function not activated
0
on, memory function activated
1
off
1
5 min
2
10 min
3
off
0
more sensitive
1
standard
2
less sensitive
3
off
0
on
1
normal
0
low [< 150 µS]
1
off
0
on
1
Table 3: Programming mode summary
Save and quit
x
Note
Programming options selected are saved in the Program/Power module
(EPWL).
A Open the door.
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Descriptive Technical Documentation
090-19
DTD no. 12-9800
4.2
Demonstration mode – Activate / Deactivate
Initial requirements
A End any current program.
A Close the door./XXX
Accessing
x
Note
Access has to be completed within 10 s.
A Press the Start/Stop pad and hold it.
A Close the door.
A As soon as the Start/Stop LED lights up steadily, after about 4 s, release the
Start/Stop pad.
A Immediately press the Start pad again and hold until the Start/Stop LED
goes out, about 3 s.
Acknowledgement indicator
The demo program starts running.
If access is not successful, the control automatically reverts to the normal
programming mode.
Options
A demo program cycle lasts about 40 s, then there is a short pause / stand-by,
and the demo program starts again.
A Operating simulation / Interactive demo mode: In interactive demo mode,
the appliance can be operated, without a program being started.
Save and quit
A To deactivate the demo mode, repeat the access.
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Descriptive Technical Documentation
DTD no. 12-9800
090-20
4.3
Service mode summary
Initial requirements
A The dryer is set up and installed correctly.
A End the current program as well as the demo mode.
A Open the door.
Accessing
x
Note
Access has to be completed within 10 s.
A Press the Start/Stop pad and hold it.
A Switch the dryer on.
A As soon as the Start/Stop LED flashes, release the Start/Stop pad.
A Immediately press Start/Stop 3x and at the 3rd time hold it until the Start/
Stop LED flashes slowly (1 Hz).
Acknowledgement indicator
The Start/Stop LED flashes slowly (1 Hz).
If access is not successful, the control automatically reverts to the normal
programming mode.
Options
A To select a service function: Press the Buzzer pad.
A To start a service function: Press the Start/Stop pad.
x
Note
The component test switches off automatically 30 minutes after the last
component is activated.
Service function
Buzzer LED
short
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Option
Drying LED
long
shor
05.12.2006, US_am
Descriptive Technical Documentation
090-21
DTD no. 12-9800
Service function
Buzzer LED
short
Software status
Fault memory To
read1) and delete,
refer to 2)
Component test 3)
Sensor test 5)
Operating hours,090
2.6 Operating hours
meter
-
1
2
3
4
Option
Drying LED
long
shor
Program index XY
X
Y
F 0, No fault, all ok.
-
-
F 1, F 1, Heater bank NTC short circuit, refer to F
1 Short circuit in NTC temperature sensor
heating/drying (2R30), 090 3.8
-
1
F 2, Heater bank NTC open circuit, refer to F 2
Open circuit in NTC temperature sensor heating/
drying (2R30) , 090 3.9
-
2
F 3, Drying air NTC short circuit, refer to F 3 NTC
temperature sensor drying air (1R30) – Short
circuit, 090 3.10
-
3
F 4 Drying air NTC open circuit, refer to F 4 NTC
temperature sensor drying air (1R30) – Open
circuit, 090 3.11
-
4
F 50, Motor stalls and heater is on for 3 s, refer to
F 50 Motor stalls and heater is on for 3 seconds,
090 3.12
5
-
F 55, Safety time exceeded, refer to F 55
Overriding time limit exceeded, approx. 180 min,
090 3.13
5
5
F 66, Air leakage fault, refer to F 66 Air leakage,
090 3.14
6
6
All components inactive
-
Drive motor/Fan motor (M5) on in a rhythm of 10 s left / 2 s
pause / 10 s right / 2 s pause.
1
Heater relay (1K1/1) / Heater (R1) on and Drive motor/Fan motor
(M5) on in a rhythm of 10 s left / 2 s pause / 10 s right / 2 s
pause.
2
Check the residual moisture sensor (B3/1) for low ohmic status
(continuity). Requirement: Electrical connection between drum
and sensor rib.4)
4
Check the residual moisture sensor (B3/1) for high ohmic status
(isolation). Requirement: No electrical connection between drum
and sensor rib.
5
Steady buzzer tone
6
LED displays flash (0.5 Hz)
7
Heater relay (2K1/1) on and Drive motor/Fan motor (M5) on
8
Heater relays (1K1/1, 2K1/1, 3K1/1) on, Heater (R1, R2, R3) on
and Drive motor/Fan motor (M5) on
9
All sensors inactive
-
Door lock (A2): Door closed => Switch closed = > buzzer on.=>
. Door open => Switch open = buzzer off.
1
Program/Power module (EPWL) operating hours:
Long flashing signal for the number of 1000s,
short flashing signal for the number of 100s. (12
times long + 6 times short = 12000 h + 600 h =
12600 h.
x000 h
y00 h
Table 4: Service mode summary
1)
Show saved faults in ascending order: Press the Start/Stop pad.
Delete fault memory: Press the Start/Stop pad for more than 4 seconds (deletes all saved faultst).
3)
Select and activate components: Press the Start/Stop pad, after 1 s the component is automatically activated.
Pressing Start/Stop again switches the current component off and starts the next one. If component testing is stopped
and later called up again, the program resumes with the last component that was activated. The component test
switches off automatically 30 minutes after the last component is activated.
4)
In 1–rib sensing, only one rib is used for the reading.
5)
Select sensor and start the test: Press the Start/Stop pad.
2)
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Descriptive Technical Documentation
DTD no. 12-9800
090-22
Quit (without saving)
x
Note
Delete the fault memory before ending.
A Open the door.
4.4
Program selection module (EW) - Service view
x
Fig. 1
4.5
Program selection module (EW) and fascia support panel –
Remove
x
Fig. 2
A Take the fascia panel off.
A Remove the screws of the program selection module (EW), press in on the
retaining tabs, and take the electronic module off.
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05.12.2006, US_am
DTD no. 12-9800
Descriptive Technical Documentation
090-23
A Take the dryer lid off, refer to Lid – Remove, 010 4.1.
A Remove the screws of the fascia support panel.
A Lift the fascia support panel out and remove it.
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090-24
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Descriptive Technical Documentation
DTD no. 12-9800
05.12.2006, US_am
DTD no. 12-9800
100
Descriptive Technical Documentation
100-1
Electrical system
x
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Descriptive Technical Documentation
DTD no. 12-9800
100-2
1
Technical Data
Heating mode
Electrical
system
Electric
Gas
Dryer fuses (F2); 7 A T, 6.3
mm x 32 mm
–
Heater relays (1K1/1, 2K1/1,
3K1/1), Single anchor relays,
Rating 11 A, Coil: 12 V DC,
200 Ω
Heater relays (1K1/1, 2K1/1)
Table 1: Technical data – Electrical system
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05.12.2006, US_am
DTD no. 12-9800
4
Service
4.1
Fuses – Replace
Descriptive Technical Documentation
100-3
T 9800
x
Fig. 1
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100-4
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Descriptive Technical Documentation
DTD no. 12-9800
05.12.2006, US_am