Malfunction Code Simple Self-Diagnosis by malfunction code

Malfunction Code Simple Self-Diagnosis by malfunction code
Malfunction Code
Heat exchanger
(1) (Liquid pipe)
thermistor
system error
Sensor system
Sensor system
error of fan
motor locked, of swing flap
motor error
overload
Heat exchanger
(2) (Gas pipe)
thermistor
system error
Swing flap
motor error
Electronic
expansion
valve drive
error
Heater
overheat
Sensor
system of
over-current
of AC input
Suction air
thermistor
error
Discharge
Contamination Humidity
air thermistor
sensor error
sensor error
system error
Electronic
expansion
valve drive
error
Four way
valve error
Outdoor air
thermistor
system error
Pump motor
Discharge air
sensor system
thermistor
of over current
system error
is abnormal
Outdoor unit
PCB
assembly
failure
Overload of
High pressure Low pressure
inverter
switch (HPS) switch (LPS)
compressor
activated
activated
motor
Over current
of STD
compressor
motor
Overload of
fan motor
Over current
of fan motor
Over current
of AC input
Malfunctions
in a sensor
system
Sensor
Air temperature system of
thermistor error power supply
error
Compressor
High Pressure Low pressure
motor overload
switch is
switch is
sensor is
faulty
faulty
abnormal
Compressor
motor over
current sensor
is abnormal
Overload or
over current
sensor of
fan motor is
abnormal
Sensor
system of
over-current
of AC input
No.1 and No.2
common
protection
device
operates.
No.1
protection
device
operates.
No.2
protection
device
operates.
Discharge
pipe
temperature
is abnormal
Temp. of heat
exchanger(1)
abnormal
Current
sensor error
Low pressure
Suction pipe
Discharge pipe equivalent
satulated temp. thermistor
thermistor
sensor system system error
system error
error
Heat
exchanger(1)
thermistor
system error
Sensor system
error of
Pressure
refrigerant
sensor error
temperature
Temperature
rise in a
switch box
Shortage of
refrigerant
(thermal
storage unit)
Sensor error
Radiation fin
of temperature
temperature
rise in a
sensor error
switch box
Power voltage
imbalance,
open phase
Low pressure
drop due to
insufficient
Reverse
refrigerant or
phase, Open
electronic
phase
expansion
valve error, etc.
Radiation fin
(power transistor)
temperature is
too high
Failure to carry
Power voltage
out check
failure
operation,
Instantaneous
transmission
power failure
error
Communication
error between
indoor unit and
outdoor unit,
communication
error between
outdoor unit and
BS unit
Centralized
remote
controller PCB
error
Humidifying
valve error
Others
The humidity
sensor of
return air
sensor
Outdoor air
humidity
sensor error
Supply air
temp.
sensor error
Return air
temp.
sensor error
Chilled water
valve error
Hot water
valve error
Heat
exchanger of
chilled water
error
Heat
exchanger
of hot water
error
Inverter
system error
(supply air
side)
Inverter
system error
(return air
side)
Fan motor of
Fan motor of
air over
supply air over return
current
current or
Fan motor of
overload
return air overload
All system
error
PC board
error
Ozone
density
abnormal
Indoor air
Contamination thermistor
sensor error
system error
Discharge
pressure
abnormal
Heat
exchanger(2)
thermistor
system error
Compressor
motor grounded Compressor
or short circuit, motor grounded Over current
inverter PCB
or short circuit of all inputs
fault
*Dust collector
error
*Nomaintenance
filter error
Over current
of AC input
Protection
devices
activated
Inverter
system error
System
Fan motor
locked,
overload,
over current
Pump motor
over current
Oil
temperature
is abnormally
high
Water
temperature
abnormal
Shortage of
water supply
Malfunctions
of a humidifier
system (water
leaking)
Remote
control
thermistor
error
Radiation
sensor error
High pressure
switch error
(Site installed)
Malfunctions
Protection
in a drain
device
water
activated
Sensor system Ice thermal
of drain water storage unit
is abnormal
error (alarm)
Suction
pressure
abnormal
Oil pressure
abnormal
Oil equalizer
pipe or liquid
pipe thermistor
system error
Double tube
Oil
heat exchanger Discharge
outlet or gas
pipe pressure temperature
pipe thermistor sensor error sensor error
system error
Suction pipe
pressure
sensor error
Compressor
over current,
compressor
motor wire cut
Stall prevension
Power
error
(start-up error) transistor
Compressor
error
locked etc.
Communication
error between
inverter and
outdoor control
unit
Oil pressure
sensor error
Simple Self-Diagnosis by malfunction code
Error
Code
Ice thermal
storage unit
error
Water
temperature
sensor system
error
AC or DC
DC current
Total input
output current
sensor system
current sensor
sensor system
error
error
error
Oil level
abnormal
Oil level
sensor error
Capacity
setting error
(Outdoor)
*Communication
*Communication *Communication error
error between
error between between main and sub
remote controllers (sub
remote control Communication outdoor units
and indoor unit error between *Communication remote control error)
*Remote control
error between *Combination error of
board failure or indoor units
outdoor unit and other indoor unit/remote
control in the same
setting error for
ice thermal
system (model)
remote control
storage unit
Communication
error between
centralized
remote control
devices
Outdoor air
temp.
sensor error
Capacity
setting error
(Indoor)
Indoor Unit
Sensor
system of
drain water
error
Malfunctions
in a sensor
system
Temp. of heat Temp. of heat
exchanger(1) exchanger(2)
error
error
Remote
controller
temp.
sensor error
*Communication error
between other indoor
unit and outdoor unit
in the same system
*Communication error
between other BS
unit and
indoor/outdoor unit
Combination
error of indoor/
BS/outdoor unit
(model, quantity
etc.), setting
error of spare
parts PCB when
replaced
Centralized
remote control
devices
inappropriate
combination
Improper
connection of
transmission
Centralized
wiring between address
outdoor and
duplicated
outdoor unit
outside control
adaptor
Attached
equipment
transmission
error
Outdoor air
thermistor
system error
Damper
system error
Communication
error between
indoor unit and
centralized
control device
Failure to carry
out check
operation
Indoor-outdoor,
outdoor-outdoor
communication
error etc.
Replace the
humidity
element
Simplified
Replace the
Replace the
remote
high efficiency deodorization controller
catalyst
filter
error
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Objects
Error Contents
Room Air
Conditioner SkyAir VRV
Micro-computer in PCB is not working
PCB assembly fault or external factor
(noise etc.)
Drain level is too high
Clogging of dirt in drain pipe, insufficient
drain pipe slope, faulty drain pump
Heating; Overheating of indoor unit heat exchanger,
Cooling; Freeze up of indoor unit heat exchanger
Dirty air filter, Short circuit or Senser
trouble of heat exchanger
Fan motor error
Fan motor lock, overload or faulty connection
Swing flap motor error
Faulty swing flap motor, faulty connection
Dust collector error
Faulty dust collector or dirty element
Capacity setting error
Faulty capacity setting or address setting error
The resistance of the water level sensor is
abnormal.
The resistance of the indoor unit heat
exchanger thermistor is abnormal.
Faulty water level sensor, cable
disconnection or short circuit of sensor
Faulty heat exchanger thermistor, cable
disconnection or short circuit of thermistor
The resistance of the indoor unit suction
air thermistor is abnormal.
Faulty suction air thermistor, cable
disconnection or short circuit of thermistor
The resistance of the indoor unit radiation
thermistor is abnormal.
The resistance of the remote controller
thermistor is abnormal.
Faulty radiation thermistor, cable
disconnection or short circuit of thermistor
Faulty remote controller thermistor
(built in remote controller)
Clogging of refrigerant piping system, insufficient
refrigerant or compressor/fan motor fault
Condenser air shot circuit, overload or
dirty heat exchanger
Clogging of refrigerant piping system,
insufficient refrigerant or faulty LPS switch
Low pressure is too low (LPS activation)
Centralized
remote
controller
address setting
error
Door switch
error
Description of Problem
High pressure is too high (HPS activation)
Water leakage Water leakage Dew
condensation
sensor 1
sensor 2 error
sensor error
error
HVU error
(Ventiair
dustcollecting
unit)
Trouble Part
Printed Circuit Board
Except
PCB Outdoor Indoor Remote
Unit Controller
Unit
Outdoor unit protection devices activated
Outdoor Unit
Interlock error Drain level
system error
for fan
System
Outdoor
Unit
Indoor unit
PCB
assembly
failure
Details
Division
Refer the service manual of each model for more detail Trouble-Shooting.
SME-TS1 • 1500 • 05/2005
Printed in Belgium by Lannoo
Indoor
Unit
External
protection
devices
activated
SME-TS1
Protection device
Overheating of compressor (OL activation)
Clogging of refrigerant piping system,
insufficient refrigerant, faulty OL or connection
Outdoor unit discharge temperature is too high
Clogging of refrigerant piping system, insufficient
refrigerant or faulty dicharge temp. thermistor
The resistance of the outdoor air temp.
thermistor is abnormal.
The resistance of the suction pipe temp.
thermistor is abnormal.
The resistance of the outdoor heat
exchanger thermistor is abnormal.
Faulty outdoor air thermistor, cable
disconnection or short circuit of thermistor
Faulty suction pipe thermistor, cable
disconnection or short circuit of thermistor
Faulty outdoor heat exchanger thermistor, cable
disconnection or short circuit of thermistor
Power voltage imbalance, open phase
3 phase power voltage imbalance or open phase
Suction pipe temperature is too high
Clogging of refrigerant piping system, insufficient
refrigerant or expansion valve fault etc.
Reverse phase
Reverse phase of 3 phase power supply
Open phase or power voltage imbalance
Communication error between indoor unit
and remote controller
Open phase or voltage imbalance of power supply,
instantaneous power failure, DC voltage to fan motor too low
Interconnection wire mistake, external factor
(noise etc.), indoor or outdoor PCB fault
Interconnection wire mistake, external factor
(noise etc.), indoor or remote controller PCB fault
Combination error of indoor/BS/outdoor
unit (model, quantity etc.),
Setting error of PCB at site
Incorrect combination of indoor/BS/outdoor
unit (model, quantity etc.), Setting error of
spare parts PCB when replaced
Communication error between indoor and
outdoor units or outndoor and BS units
: The possibility of failure is large.
: The possibility of failure.
: In most cases, it is normal
Zandvoordestraat 300 - B-8400 Ostend - Belgium
www.daikineurope.com
: There is not possibility of failure.
Room Air Conditioner
SkyAir or VRV
Self-Diagnosis by Wired Remote Controller
Explanation
The following modes can be selected by using the [Inspection/Test] button on the remote
control.
Be sure to turn off power switch before connect or disconnect connector, or parts damage
Caution may be occurred.
Depress Inspection/Test button
for more than 4 seconds.
Indoor unit settings can be made
Filter sign time
Air flow direction
Others
Local
setting
mode
Service
mode
Depress Inspection/Test button
for more than 4 seconds.
Service data can be obtained.
Malfunciton code history
Temperature data of various sections
Service settings can be made.
Forced fan ON
Air flow direction/volume setting
Press Inspection/Test button once.
Normal
mode
Press Inspection/Test button once.
Or after 30 minutes
Press Inspection/Test button once.
After 10 seconds
Following codes can be checked.
Malfunction codes
Indoor model code
Outdoor model code
Inspection
mode
Press Inspection/Test
button once.
Test
operation
mode
Thermostat is forcibly turned on.
If operation stops due to malfunction, the remote controller's operation LED blinks, and malfunction code is
displayed. (Even if stop operation is carried out, malfunction contents are displayed when the inspection
mode is entered.) The malfunction code enables you to tell what kind of malfunction caused operation to
stop.
Operation lamp
Self-Diagnosis by Wireless Remote Controller
If equipment stops due to a malfunction, the operation indicating LED on the light reception section flashes.
The malfunction code can be determined by following the procedure described below. (The malfunction
code is displayed when an operation error has occurred. In normal condition, the malfunction code of the
last problem is displayed.)
Procedure
1. Press the INSPECTION/TEST button to select "Inspection."
The equipment enters the inspection mode. The "Unit"
indication lights and the Unit No. display shows flashing "0"
indication.
2. Set the Unit No.
Press the UP or DOWN button and change the Unit No.
display until the buzzer (*1) is generated from the indoor
unit.
*1 Number of beeps
3 short beeps : Conduct all of the following operations.
1 short beep : Conduct steps 3 and 4.
Continue the operation in step 4 until a buzzer remains ON.
The continuous buzzer indicates that the malfunction code
is confirmed.
Continuous beep : No abnormality.
3. Press the MODE selector button.
The left "0" (upper digit) indication of the malfunction code
flashes.
4. Malfunction code upper digit diagnosis
Press the UP or DOWN button and change the malfunction
code upper digit until the malfunction code matching buzzer
(*2) is generated.
The upper digit of the code changes as shown below
when the UP and DOWN buttons are pressed.
“UP” button
“UP” button
“DOWN” button
Normal status
Enters inspection mode from normal status
when the INSPECTION/TEST button is pressed.
Inspection display
Malfunction code
Remote controller for VRV
Inspection display
1. When the timer cancel button is held down for 5
seconds, a " " indication flashes on the temperature
display section.
<ARC433A41>
1. Enter the diagnosis mode.
Press the 3 buttons (TEMP ,
TEMP ,MODE) simultaneously.
The digit of the number of tens
blinks.
Try again from the start
when the digit does not
blink.
3
Press
MODE
selector
button.
If no button is pressed
for 1 minute,
equipment returns to
normal status.
Indoor unit No.
in which a malfunction occurs
Malfunction code
Remote controller for SkyAir
: http://splitoff.ru/tehn-doc.html
2. Press the timer cancel button repeatedly until a
continuous beep is produced.
The code indication changes in the sequence shown
below, and notifies with a long beep.
No.
1
2
3
4
5
6
7
8
9
10
11
Code
No.
12
13
14
15
16
17
18
19
20
21
22
Code
No.
23
24
25
26
27
28
29
30
31
32
33
Code
TIMER CANCEL button
It cancels the timer setting.
Check Method 2
1 Press INSPECTION/TEST button.
5 Press MODE selector button.
Inspection/Test button
Check Method 1
*2 Number of beeps
Continuous beep : Both upper and lower digits matched.
(Malfunction code confirmed)
2 short beeps : Upper digit matched.
1 short beep : Lower digit matched.
5. Press the MODE selector button.
The right "0" (lower digit) indication of the malfunction code
flashes.
6. Malfunction code lower digit diagnosis
Press the UP or DOWN button and change the malfunction
code lower digit until the continuous malfunction code
matching buzzer (*2) is generated.
The lower digit of the code changes as shown below
when the UP and DOWN buttons are pressed.
When MODE selector
button is pressed or
no button is pressed
for 1 minute,
equipment returns to
normal status.
Indoor unit No.
in which a malfunction occurs
In the ARC433A series remote controller, the temperature display sections on the main unit indicate
corresponding codes.
“DOWN” button
If no button is
pressed for
1 minute,
equipment returns
to normal status.
Inspection/Test button
Self-Diagnosis by Wireless Remote Controller
2. Press the TEMP button.
Press TEMP or TEMP and
change the digit until you hear
the sound of "beep" or "pi pi".
3. Diagnose by the sound.
"pi" : The number of tens does not accord with the error
code.
"pi pi" : The number of tens accords with the error code.
"beep" : The both numbers of tens and units accord
with the error code.
Note:
1. A short beep and two consecutive beeps indicate
non-corresponding codes.
2. To cancel the code display, hold the timer cancel
button down for 5 seconds. The code display also
cancels itself if the button is not pressed for 1 minute.
4. Enter the diagnosis mode again.
The digit of the number of
Press the MODE button.
units blinks.
5. Press the TEMP button.
Press TEMP or TEMP and
change the digit until you
hear the sound of "beep".
6. Diagnose by the sound.
"pi" : The both numbers of
tens and units do not
accord with the error code.
"pi pi" : The number of tens accords with the error code.
"beep" : The both numbers of tens and units accord
with the error code.
7. Determine the error code.
The digits indicated when you
hear the “beep” sound are
error code.
8. Exit from the diagnosis mode.
Press the MODE button.
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