Daikin REYQ8-48PY1B - Page 264

Troubleshooting by Remote Controller SiBE37-701_B
253 Troubleshooting
k: ON h: OFF l: Blink
Malfunction
code
Operation
lamp
Malfunction contents Page
Referred
Indoor Unit A0 l Error of external protection device 259
A1 l PCB defect 260
A3 l Malfunction of drain level control system (S1L) 261
A6 l Fan motor (M1F) lock, overload 263
Malfunction of indoor unit fan motor 265
Overload/Overcurrent/Lock of indoor unit fan motor 266
A7 k Malfunction of swing flap motor (M1S) 269
A8 l Abnormal power supply voltage 271
A9 l Electronic expansion valve malfunction / Dust clogging 272
Malfunction of electronic expansion valve coil 274
AF k Drain level above limit 276
AH k Malfunction of air filter maintenance —
AJ l Malfunction of capacity determination device 277
C1 l Failure of transmission (Between indoor unit PCB and fan PCB) 278
C4 l Malfunction of thermistor (R2T) for heat exchanger 280
C5 l Malfunction of thermistor (R3T) for gas pipes 281
C6 l
Failure of combination (Between indoor unit PCB and fan PCB) 282
C9 l Malfunction of thermistor (R1T) for suction air 283
CJ k Malfunction of room temperature thermistor in remote controller 284
Outdoor Unit E1 l PCB defect 285
E3 l Actuation of high pressure switch 286
E4 l Actuation of low pressure sensor 288
E5 l Inverter compressor motor lock 290
E6 l STD compressor motor overcurrent/lock 292
E7 l Malfunction of outdoor unit fan motor 293
E9 l Malfunction of electronic expansion valve coil (Y1E ~ Y5E) 296
F3 l Abnormal discharge pipe temperature 298
F6 l Refrigerant overcharged 300
F9 l Malfunction of BS unit electronic expansion valve 301
H7 l Abnormal outdoor fan motor signal 303
H9 l Malfunction of thermistor (R1T) for outdoor air 305
J2 l Current sensor malfunction 306
J3 l Malfunction of discharge pipe thermistor (R31T, R32T, R33T) 307
J4 l Malfunction of temperature sensor for heat exchanger gas (R2T or R11T) 308
J5 l Malfunction of thermistor (R8T or R10T) for suction pipe 309
J6 l Malfunction of thermistor (R4T or R12T) for outdoor unit heat exchanger 310
J7 l Malfunction of liquid pipe thermistor 1 (R6T, R9T or R14T) 311
J8 l Malfunction of liquid pipe thermistor 2 (R7T or R15T) 312
J9 l Malfunction of subcooling heat exchanger gas pipe thermistor (R5T or
R13T)
313
JA l Malfunction of high pressure sensor 314
JC l Malfunction of low pressure sensor 316
L1 l Malfunction of inverter PCB 318
L4 l Malfunction of inverter radiation fin temperature rise 320
L5 l Momentary overcurrent of inverter compressor 323
L8 l Momentary overcurrent of inverter compressor 325
L9 l Inverter compressor starting failure 327