Daikin RXYQ96PYDN Service Manual page 345

Troubleshooting by Remote Controller
Malfunction
code
Indoor Unit A0
A1
A3
A6
A7
A9
AF
AH
AJ
C4
C5
C9
CJ
Outdoor Unit E1
E2
E3
E4
E5
E6
E7
E9
F3
F6
F9
H7
H9
J2
J3
J4
J5
J6
J7
J8
J9
JA
JC
330
Operation Inspection Unit No.
lamp display
9 9
9 9
9 9
9 9
8 7
9 9
8 7
8 7
9 9
9 9
9 9
9 9
8 8
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
Malfunction contents
Error of external protection device
9
PC board defect, E
9
Malfunction of drain level control system (S1L)
9
Fan motor (M1F) lock, overload
9
Malfunction of swing flap motor (M1S)
9
Malfunction of moving part of electronic expansion
9
valve / Dust clogging
Drain level about limit
9
Malfunction of air filter maintenance
9
Malfunction of capacity setting
9
Malfunction of thermistor (R2T) for heat exchange
9
(loose connection, disconnection, short circuit, failure)
Malfunction of thermistor (R3T) for gas pipes (loose
9
connection, disconnection, short circuit, failure)
Malfunction of thermistor (R1T) for air inlet (loose
9
connection, disconnection, short circuit, failure)
Malfunction of thermostat sensor in remote controller
8
PC board defect
9
Detection of ground leakage by leak detection PC
9
board assembly
Actuation of high pressure switch
9
Actuation of low pressure sensor
9
Compressor motor lock
9
Standard compressor lock or over current
9
Malfunction of outdoor unit fan motor
9
Malfunction of moving part of electronic expansion
9
valve (Y1E, Y2E, Y3E)
Abnormal discharge pipe temperature
9
Refrigerant overcharged
9
Malfunction of BS unit electronic expansion valve
9
Abnormal outdoor fan motor signal
9
Malfunction of thermistor (R1T) for outdoor air (loose
9
connection, disconnection, short circuit, failure)
Current sensor malfunction
9
Malfunction of discharge pipe thermistor (R31, 32T,
9
33T) (loose connection, disconnection, short circuit,
failure)
Malfunction of temperature sensor for heat exchanger
9
gas (R2T)
Malfunction of thermistor (R8T) for suction pipe (loose
9
connection, disconnection, short circuit, failure)
Malfunction of thermistor (R4T) for heat exchanger
9
(loose connection, disconnection, short circuit, failure)
Malfunction of receiver outlet liquid pipe thermistor (R6T),
9
(9T)
Malfunction of liquid pipe thermistor 2 (R7T)
9
Malfunction of subcooling heat exchanger gas pipe
9
thermistor (R5T)
Malfunction of high pressure sensor
9
Malfunction of low pressure sensor
9
8: ON 7: OFF
2
PROM defect
SiUS34-801A_b
9: Blink
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Troubleshooting