Dimplex DS7425DLX Service manual

Service Manual
Model Number
DS7420
DS7425DLX
UL Part Number
6900470759
6900471604
IMPORTANT SAFETY INFORMATION: Always read this manual first before attempting to service
this stove. For your safety, always comply with all warnings and safety instructions contained in this
manual to prevent personal injury or property damage.
Dimplex North America Limited
1367 Industrial Road Cambridge ON Canada N1R 7G8
1-888-346-7539 www.dimplex.com
In keeping with our policy of continuous product development, we reserve the right to make changes without notice.
© 2011 Dimplex North America Limited
REV
PCN
DATE
00
-
31-AUG-11
7400480000R00
TABLE OF CONTENTS
OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
OPERATION - DS7420 MOD A - D. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
EXPLODED PARTS DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
WIRING DIAGRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
TO REPLACE UPPER LIGHT BULB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
TO REPLACE LOWER LIGHT BULBS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
TO REPLACE ON/OFF OR 3-POSITION SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
TO REPLACE FLICKER MOTOR/FLICKER ROD . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
TO REPLACE THERMOSTAT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
TO REPLACE HEATER ASSEMBLY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
TO REPLACE THE POWER CORD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
TO REPLACE REMOTE CONTROL RECEIVER. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
TO REPLACE LOG SET DRIVER BOARD - DS7425DLX MODEL ONLY. . . . . . . . . 10
TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Always use a qualified technician or service agency to repair this stove.
! NOTE: Procedures and techniques that are considered important enough to emphasize.
CAUTION: Procedures and techniques which, if not carefully followed, will result in damage to the
equipment.
WARNING: Procedures and techniques which, if not carefully followed, will expose the user to the
risk of fire, serious injury, or death.
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OPERATION
Remote Control
To access the controls, go to the back of the stove (Figure
1).
! NOTE: Ensure that the stove’s 3-Position Switch is set
Figure 1
A
The stove is supplied with an integrated On/Off remote
control.
to the Remote Control setting (“II” position).
B
To operate, push the ON button to turn stove on, push the
OFF button to turn the stove off.
C
D
A. 3-Position Switch
The switch has two On positions marked with “I” and “II”.
The “I” position is for manual operation. In this position the
built-in remote control is bypassed.
The “II” position is for operating the unit with the provided
remote control. When in “II” position the unit is operated
with the ON and OFF buttons of the remote control.
When the switch is in the center position “O” the unit is off.
B.
Light On/Off Switch
The Light On/Off Switch supplies power to the upper light of
the log bed display area.
C.
Heater On/Off Switch
The Heater On/Off Switch supplies power to the heater.
D. Heater Thermostat Control
To adjust the temperature to your individual requirements,
turn the thermostat control clockwise all the way to
turn on the heater. When the room reaches the desired
temperature, turn the thermostat knob counter clockwise
until you hear a click. Leave in this position to maintain the
room temperature at this setting. For additional heat, turn
clockwise until you hear the click again and the heater will
turn on.
Resetting the Temperature Cutoff Switch
Should the heater overheat, an automatic cut out will turn
the heater off and it will not come back on without being
reset. It can be reset by switching the 3-Position Switch to
Off “O” and waiting five (5) minutes before switching the
unit back on.
Remote Initialization/Reprogramming
Follow these steps for Remote Control initialization and if
required, re-initialization:
1. Disconnect power to stove.
2. Set the 3-Position Switch to the Remote position “II”
(Figure 1A).
3. Wait a minimum of five (5) seconds and then re-acquire
power to stove.
4. Within 10 seconds of re-acquiring power, press the ON
button located on the Remote Control.
! NOTE: You will have only 10 seconds to perform this
last step. Failure to do so will result in these steps
needing to be followed again.
Battery Installation
To install or replace the battery:
1. Slide battery cover open on the Remote Control (Figure
2).
2. Correctly install one (1) 12 Volt (A23) battery in the
battery holder.
3. Close the battery cover.
Battery must be recycled or disposed ofproperly.
Check with your Local Authority or Retailer for
recycling advice in your area.
Figure 2
On
Button
Off Button
Plastic
Strip
Battery
Cover
CAUTION: If you need to continuously reset the heater,
unplug the unit and call Customer Service at
1-888-346-7539.
3
OPERATION - DS7420 MOD A - D
To access the controls, go to the back of the stove. (Figure
3)
A. MAIN ON/OFF SWITCH
The Main On/Off switch supplies power to all stove functions (heater & flame).
B. TOP LIGHT ON/OFF SWITCH
Controls the light intensity of the log bed display area.
C. HEATER ON/OFF SWITCH
The Heater On/Off switch supplies power to the heater.
D. HEATER THERMOSTAT
To adjust the temperature to your individual requirements,
turn the thermostat clockwise all the way to turn on the
heater. When the room reaches the desired temperature,
turn the thermostat knob counter clockwise until you hear a
click. Leave in this position to maintain the room temperature at this setting. For additional heat, turn clockwise until
you hear the click again and the heater will turn on.
RESETTING THE TEMPERATURE CUTOFF SWITCH
Should the heater overheat, an automatic cut out will turn
the heater off and it will not come back on without being reset. It can be reset by switching the MAIN ON/OFF
SWITCH to OFF and waiting 5 minutes before switching
the unit back on.
CAUTION: If you need to continuously reset the heater,
unplug the unit and call Dimplex North America Limited
at 1-800-668-6663.
REMOTE CONTROL
The remote control has a range of approximately 50ft.
(15.25m) it does not have to be pointed at the stove and
can pass through most obstacles (including walls). It is
supplied with one of 243 independent frequencies to prevent interference with other units. The frequency designation is indicated on the back of the Remote Control (Figure
4)
REMOTE CONTROL INSTALLATION
1. Plug stove power cord into the outlet located on the
side of the receiver. (Figure 4)
2. Plug receiver into the wall outlet.
3. Install a 9 volt battery into the Remote Control (Figure
4).
! NOTE:
• Stove Main On/Off switch must be in the ON position
prior to using the Remote Control.
• ON/OFF Remote Control may be used to control most
other electrical devices including T.V.’s, stereos and
lamps.
CAUTION:
• For indoor use in dry areas only
• For use on electrical devices with 15 amp resistive load
or 1/3 HP inductive load
• 120 volt AC only
Figure 4
Receiver
Outlet
Figure 3
A
B
C
OPEN
D
OPEN
Frequency
Code
Battery
Cover
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MAINTENANCE
WARNING: Disconnect power before attempting any
maintenance or cleaning to reduce the risk of fire,
electric shock or damage to persons.
Light Bulb Replacement
Allow at least five (5) minutes for light bulbs to cool off
before touching bulbs to avoid accidental burning of skin.
Light bulbs need to be replaced when you notice a dark
section of the flame or when the clarity and detail of the log
exterior disappears.
There are three (3) bulbs under the Log Set Assembly,
which generate the flames and embers, and one (1) bulb
above that illuminate the log exterior.
Tool Requirements: Phillips screw driver
Helpful Hints: It is a good idea to replace all light bulbs
at one time if they are close to the end of their rated life.
Group replacement will reduce the number of times you
need to open the unit to replace light bulbs.
Upper Bulb Requirement: Quantity of one (1) 7 Watt
candelabra E12 small base 120 Volt.
Do not exceed 7 Watts per bulb.
Upper Bulb Replacement (Figure 5)
1. Open door by pulling the handle.
2. Locate the upper bulb bracket.
3. Bend light retainer bracket down.
4. Locate and remove light bulb.
5. Insert and install new bulb.
6. Bend light retainer bracket back into its original
position.
7. Close the door.
Figure 5
Lower Bulbs Requirement: Quantity of three (3) 35 Watt
Halogen Quartz lamps, 120 Volt, G9 Base.
Do not exceed 35 Watts per bulb.
Lower Bulb Replacement
1. Remove the stove pipe kit (if equipped).
2. Gently place stove on its back on a flat surface.
3. Remove the heater cover retaining screws located on
the bottom of the stove (Figure 6) and lower heater and
light assembly out onto the floor.
4. Remove the burnt out bulb(s) by pulling straight out
of socket. If bulbs are difficult to remove form socket
move the bulb from side to side while pulling being
careful not to damage the light socket.
5. Replace the lower light bulbs.
6. Reassemble in the reverse order as above.
Glass Cleaning
The clear door is cleaned in the factory during the
assembly operation. During shipment, installation, handling,
etc., the clear door may collect dust particles. These can be
removed by dusting lightly with a clean, dry cloth.
To remove fingerprints or other marks, the clear doors
can be cleaned with a damp cloth. The clear door should
be completely dried with a lint free cloth to prevent water
spots. To prevent scratching, do not use abrasive cleaners
or spray liquids on the clear door surface.
Plastic Door Cleaning
To remove fingerprints or other marks, the clear doors
can be cleaned with a damp cloth. The clear door should
be completely dried with a lint free cloth to prevent water
spots. To prevent scratching, do not use abrasive cleaners
or spray liquids on the clear door surface.
Stove Surface Cleaning
Use warm water only to clean painted surfaces of the
Stove. Do not use abrasive cleaners.
Servicing
Except for light bulb replacement and cleaning described
above, an authorized service representative should perform
any other servicing.
Figure 6
Screws
Screws
5
EXPLODED PARTS DIAGRAM
18
11
7
8
17
1
10
13
14
2
15
6
5
12
3
16
4
9
Replacement Parts List
Replacement Part:
1. Log Set DS7420 . . . . . . . . . . . . . . . . . . 0438200200RP
DS7425DLX. . . . . . . . . . . . . . . 0439230200RP
2. Door. . . . . . . . . . . . . . . . . . . . . . . . . . . .0438610100RP
3. Foot . . . . . . . . . . . . . . . . . . . . . . . . . . . .0438680100RP
4. Flicker Motor . . . . . . . . . . . . . . . . . . . . .2000210200RP
5. Heater Assembly (with cutout). . . . . . . .2200490700RP
6. Thermostat . . . . . . . . . . . . . . . . . . . . . 2300150100RP*
7. On/Off Switch . . . . . . . . . . . . . . . . . . . . 2800070700RP
8. 3-Position Switch. . . . . . . . . . . . . . . . . . 2800071100RP
9. Power Cord . . . . . . . . . . . . . . . . . . . . . .4100040900RP
10.Upper Light Harness. . . . . . . . . . . . . . . 4200120400RP
11. Partially Reflective Glass. . . . . . . . . . . .5900060600RP
12.Reflector Assembly. . . . . . . . . . . . . . . . 5900080600RP
13.Front Glass. . . . . . . . . . . . . . . . . . . . . . 5900440100RP
14.Capacitor . . . . . . . . . . . . . . . . . . . . . . . .2300030100RP
15.Terminal Block . . . . . . . . . . . . . . . . . . . .4000070100RP
16.Control Knob . . . . . . . . . . . . . . . . . . . . .8800000300RP
17.Remote Control Receiver . . . . . . . . . . . 3000380200RP
18.Remote Control. . . . . . . . . . . . . . . . . . . 3000370500RP
19.LED Log Driver (DS7425DLX) . . . . . . . 3000390100RP
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WIRING DIAGRAM
DS7420 MOD A - D
7
TO REPLACE UPPER LIGHT BULB
WARNING:
If unit was operating prior to servicing
allow at least 10 minutes for light bulbs and heating element to cool off to avoid accidental burning of skin.
WARNING:
Disconnect power before attempting any
maintenance or cleaning to reduce the risk of electric
shock or damage to persons.
Light bulbs need to be replaced when you notice a dark
section of the flame or when the clarity and detail of the
log exterior disappears. There is one bulb at the top of the
opening that illuminates the log set exterior and two bulbs
under the log set which generate the flames and embers.
It is a good idea to replace all of the light bulbs at one
time if they are close to the end of their rated life. Group
replacement will reduce the number of times you need to
open the unit to replace the light bulbs.
1. Open door by pulling the handle.
2. Locate the upper bulb bracket.
3. Bend light retainer bracket down.
4. Locate and remove the light bulb.
5. Insert new bulb.
6. Bend light retainer bracket back into its original position.
7. Close the door.
UPPER LIGHT BULB REQUIREMENTS: Quantity of 1
clear chandelier or candelabra bulbs with an E-12 (small)
socket base, 7 watt rating.
TO REPLACE LOWER LIGHT BULBS
WARNING:If unit was operating prior to servicing allow
at least 10 minutes for light bulbs and heating element to
cool off to avoid accidental burning of skin.
WARNING:Disconnect power before attempting any
maintenance or cleaning to reduce the risk of electric
shock or damage to persons.
Light bulbs need to be replaced when you notice a dark
section of the flame or when the clarity and detail of the
log exterior disappears. There is one bulb at the top of the
opening that illuminates the log set exterior and three bulbs
under the log set which generate the flames and embers.
It is a good idea to replace all of the light bulbs at one
time if they are close to the end of their rated life. Group
replacement will reduce the number of times you need to
open the unit to replace the light bulbs.
1. Remove the stove pipe kit (if equipped).
2. Gently place stove on its back on a flat surface.
3. Remove the heater cover retaining screws located on
the bottom of the stove and lower heater and light assembly out onto the floor.
4. Remove the burnt out bulb(s) by pulling straight out
of socket. If bulbs are difficult to remove form socket
move the bulb from side to side while pulling being
careful not to damage the light socket.
5. Replace the lower light bulbs.
6. Reassemble in the reverse order as above.
LOWER LIGHT BULB REQUIREMENTS: Quantity of 3
– 35 watt Halogen Quartz lamps, 120 volt, G9 base. DO
NOT EXCEED 35 WATTS PER BULB
TO REPLACE ON/OFF OR 3-POSITION
SWITCH
WARNING:
If unit was operating prior to servicing
allow at least 10 minutes for light bulbs and heating element to cool off to avoid accidental burning of skin.
WARNING:
Disconnect power before attempting any
maintenance or cleaning to reduce the risk of electric
shock or damage to persons.
1. Remove back panel screws located along the rear of
the top panel.
2. Open front door and release the cams located in the
upper corner of both side panels.
! NOTE: To release cams ensure arrow on cam is facing
up.
arrow
3. Remove top panel.
4. Locate the switch to be replaced mounted on the rear
panel and disconnect the wiring clips and connections
noting their original locations.
5. Depress the retainer clips on the rear of the switch and
push the switch out of the rear cover.
6. Properly orient the new switch and connect all of the
wiring clips and connections.
7. Reassemble in the reverse order as above.
TO REPLACE FLICKER MOTOR/
FLICKER ROD
WARNING:
If unit was operating prior to servicing
allow at least 10 minutes for light bulbs and heating element to cool off to avoid accidental burning of skin.
WARNING:
Disconnect power before attempting any
maintenance or cleaning to reduce the risk of electric
shock or damage to persons.
1. Gently place stove on its back on a flat surface.
2. Remove the heater cover retaining screws located on
the bottom of the stove and lower heater and light assembly out onto the floor.
3. Remove all of the mounting screws on the heater cover
and separate the cover from the heater and light assembly.
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4. Locate the flicker motor and flicker rod assembly and
remove the wiring clips and connections located by the
heater assembly noting their original locations.
5. Remove the flicker motor mounting screws and disconnect the flicker motor from the flicker rod.
! NOTE: When removing the flicker motor some damage may occur to the flicker rod. If flicker rod is damaged
replace to insure proper operation.
6. Reassemble in the reverse order as above.
TO REPLACE THERMOSTAT
WARNING:
If unit was operating prior to servicing
allow at least 10 minutes for light bulbs and heating element to cool off to avoid accidental burning of skin.
WARNING:
Disconnect power before attempting any
maintenance or cleaning to reduce the risk of electric
shock or damage to persons.
1. Gently place stove on its back on a flat surface.
2. Remove the heater cover retaining screws located on
the bottom of the stove and lower heater and light assembly out onto the floor.
3. Remove all of the mounting screws on the heater cover
and separate the cover from the heater and light assembly.
4. Locate the thermostat mounted to the heater cover and
disconnect the wiring connections noting their original
locations.
5. Pull off the thermostat control knob to expose the
mounting screws.
6. Remove the mounting screws and remove the heater
thermostat.
7. Properly orient the new thermostat and connect all of
the wiring connections.
8. Reassemble in the reverse order as above.
TO REPLACE HEATER ASSEMBLY
heater assembly.
6. Properly orient the new heater assembly and connect
all of the wiring clips and connections.
7. Reassemble in the reverse order as above.
TO REPLACE THE POWER CORD
WARNING:
If unit was operating prior to servicing
allow at least 10 minutes for light bulbs and heating element to cool off to avoid accidental burning of skin.
WARNING:
Disconnect power before attempting any
maintenance or cleaning to reduce the risk of electric
shock or damage to persons.
1. Gently place stove on its back on a flat surface.
2. Remove the heater cover retaining screws located on
the bottom of the stove and lower heater and light assembly out onto the floor.
3. Remove all of the mounting screws on the heater cover
and separate the cover from the heater and light assembly.
4. Locate and disconnect the power cord wiring connections noting their original locations.
5. With needle nose pliers grasp the power cord strain
relief grommet from inside the heater cover and push
while twisting to remove.
6. Pull the power cord out through the hole in the heater
cover.
7. Install the new power cord through the hole in the
heater cover and connect all of the wiring connections
in their original locations.
8. Install the power cord retaining grommet on the power
cord and insert into the hole in the heater cover.
9. Reassemble in the reverse order as above.
TO REPLACE REMOTE CONTROL
RECEIVER
WARNING:
WARNING:
WARNING:
WARNING:
If unit was operating prior to servicing
allow at least 10 minutes for light bulbs and heating element to cool off to avoid accidental burning of skin.
Disconnect power before attempting any
maintenance or cleaning to reduce the risk of electric
shock or damage to persons.
1. Gently place stove on its back on a flat surface.
2. Remove the heater cover retaining screws located on
the bottom of the stove and lower heater and light assembly out onto the floor.
3. Remove all of the mounting screws on the heater cover
and separate the cover from the heater and light assembly.
4. Locate the heater assembly and disconnect the wiring
connections noting their original locations.
5. Remove heater mounting bracket screws and set aside
If unit was operating prior to servicing
allow at least 10 minutes for light bulbs and heating element to cool off to avoid accidental burning of skin.
Disconnect power before attempting any
maintenance or cleaning to reduce the risk of electric
shock or damage to persons.
1. Open door by pulling the handles.
2. Loosen the 2 retainers on the inner sides of the unit by
turning counter clockwise.
3. Remove 4 screws that secure the top on the rear of the
unit.
4. Lift the top off of the unit. Carefully remove the partially
reflective glass and store in a safe place to prevent
damage.
5. Locate the Remote Control Receiver on the rear wall of
the unit.
9
6. Remove wiring connections from Remote Control Receiver noting their original locations.
7. From inside the unit, break off the 4 mounting studs
by grasping with pliers and twisting on the protruding
part of the stud, push the remainder of the studs out
through the back panel.
! NOTE: New mounting studs are supplied with the
replacement Remote Control Receiver
8. Reassemble in the reverse order as above.
TO REPLACE LOG SET DRIVER
BOARD - DS7425DLX MODEL ONLY
WARNING:
If unit was operating prior to servicing
allow at least 10 minutes for light bulbs and heating element to cool off to avoid accidental burning of skin.
WARNING:
Disconnect power before attempting any
maintenance or cleaning to reduce the risk of electric
shock or damage to persons.
1. Open door by pulling the handles.
2. Loosen the 2 retainers on the inner sides of the unit by
turning counter clockwise.
3. Remove 4 screws that secure the top on the rear of the
unit.
4. Lift the top off of the unit. Carefully remove the partially
reflective glass and store in a safe place to prevent
damage.
5. Locate the Log Set Driver on the rear wall of the unit.
6. Remove wiring connections from Log Set Driver noting
their original locations.
7. From inside the unit, break off the 4 mounting studs
by grasping with pliers and twisting on the protruding
part of the stud, push the remainder of the studs out
through the back panel.
! NOTE: New mounting studs are supplied with the
replacement Log Set Driver
8. Reassemble in the reverse order as above.
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TROUBLESHOOTING GUIDE
PROBLEM
CAUSE
SOLUTION
General
Circuit breaker trips or fuse
blows when unit is turned on
Short in unit wiring.
Trace wiring in unit.
Improper circuit current rating
Additional appliances may exceed the current rating
of the circuit breaker or fuse. Plug unit into another
outlet or install unit on a dedicated 15 amp circuit.
Unit turns on or off by itself
Remote Control has a similar frequency
to other remotes in the area.
Replace Remote Control. Initialize to Remote Control
Receiver
Radio frequency disturbance from outside sources.
Replace Remote Control and Remote Control Receiver where necessary. Initialize Remote Control and
Receiver
Defective Remote Control Receiver
Replace Remote Control Receiver. Initialize to Remote Control and Receiver.
Lights dim in room while the unit
is on
Unit is drawing close to circuit current
rating
Move the unit to another outlet or install unit on a dedicated 15 amp circuit
Power cord gets warm
Normal Operation
The power cord may get slightly warm to the touch
when the heater is on.
Defective power cord
Replace power cord if cord gets hot to the touch.
Improper operation
Refer to Operation Section
No incoming power from the electrical
wall socket
Check Fuse/Breaker Panel
Loose wiring
Check wiring connections
Defective Main On/Off Switch
Replace Main On/Off Switch
Defective Remote Control Receiver
Replace Remote Control Receiver
Improper operation
Refer to Operation Section
Remote Control not initialized to stove
Initialize the Remote Control
Remote Control not working
Install new battery into the Remote Control. Reinitialize Remote Control where necessary
Appearance
Stove does not turn on Manually
Stove does not turn on with Remote Control
Replace Remote Control Receiver or Remote Control where necessary. Initialize Remote Control and
Remote Control Receiver.
Flame Frozen
Flame not bright or flame not
visible
Defective 3-Position Switch
Replace 3-Position Switch
Defective Flicker Motor
Replace Flicker Motor
Loose wiring
Check wiring connections
Burnt light bulbs
Replace light bulbs
Loose wiring
Check wiring connections
Defective Light Harness
Replace Light Harness
Log set dim, not glowing
(DF7420)
Burnt light bulbs
Replace light bulbs
Log set dim, not glowing
(DF7425DXL)
Loose wiring
Check wiring connections
Defective Log Set Driver
Replace Log Set Driver
Flame Shutter
Defective Flicker Motor
Replace Flicker Motor
Light leaking around the log set
Log set not positioned properly
Check log set for proper fit
11
PROBLEM
CAUSE
SOLUTION
Heater
Heater is not turning off
Heater is not turning on, but
flame effect is still functioning
Heater is turning off after a
couple of minutes of operation
Heater emits an odor
Heater fan turns on but heater
lacks heat
Heating element is glowing red
Heater fan runs continuously
Improper operation
Refer to Operation Section
Defective Heater On/Off Switch
Replace Heater On/Off Switch
Defective Thermostat
Replace Thermostat
Improper operation
Refer to Operation Section
Loose wiring
Trace wiring in unit
Defective Heater On/Off Switch
Replace Heater On/Off Switch
Defective Thermostat
Replace Thermostat
Defective Heater Assembly
Replace Heater Assembly
Build up of dirt/dust in Heater Assembly
Ensure that exterior intake louvers and firebox cavity
are free of dirt/dust.
Defective Heater Assembly
Replace Heater Assembly
Normal Operation
Normal operation is when the heater emits an odor
for a brief period after the heater is initially turned on.
The heater is burning off any dust accumulated during
manufacturing or operation.
Defective Heater Assembly
Replace Heater Assembly
Improper operation
Refer to Operation Section
Loose wiring
Trace wiring in unit
Defective Thermostat
Replace Thermostat
Defective Heater Assembly
Replace Heater Assembly
Normal Operation
Small glowing sections of the element are considered
normal.
Defective Heater Assembly
If larger glowing sections are causing the heater to trip
the thermal cutout, unplug unit, discontinue use and
replace Heater Assembly.
Loose wiring
Trace wiring in unit
Defective Heater On/Off Switch
Replace Heater On/Off Switch
Defective Thermostat
Replace Thermostat
Defective Heater Assembly
Replace Heater Assembly
Dirty Heater Assembly
Ensure that exterior intake louvers and firebox cavity
are free of dirt/dust.
Defective Heater Assembly
Replace Heater Assembly
Flicker rod hitting or rubbing against
internal components
Ensure rod is straight and mounted properly in the
bracket, spinning freely away from other components.
Replace if necessary.
Defective Flicker Motor
Replace Flicker Motor
Noise
Excessive noise with the heater
on
Grinding or excessive noise with
the heater off
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