Daikin RXYQ96PYDN Service Manual page 330

SiUS34-801A_b
1. Symptom-based Troubleshooting ...........................................................318
2. Troubleshooting by Remote Controller ...................................................321
3. Troubleshooting by Indication on the Remote Controller ........................336
Troubleshooting
2.1 The INSPECTION / TEST Button............................................................. 321
2.2 Self-diagnosis by Wired Remote Controller ............................................. 322
2.3 Self-diagnosis by Wireless Remote Controller ......................................... 323
2.4 Inspection Mode ....................................................................................... 326
2.5 Remote Controller Service Mode ............................................................. 327
2.6 Test Run Mode......................................................................................... 329
2.7 Remote Controller Self-Diagnosis Function ............................................. 329
A0 Indoor Unit: Error of External Protection Device ................................. 336
3.1
A1 Indoor Unit: PC Board Defect ............................................................ 337
3.2
A3 Indoor Unit: Malfunction of Drain Level Control System (S1L) .......... 338
3.3
3.4 A6 Indoor Unit: Fan Motor (M1F) Lock, Overload ..................................... 340
A7 Indoor Unit: Malfunction of Louver Motor (M1S) ............................... 344
3.5
A9 Indoor Unit: Electronic Expansion Valve
3.6
Malfunction / Dust Clogging ..................................................................... 346
AF Indoor Unit: Drain Level above Limit.................................................. 350
3.7
3.8 AJ Indoor Unit: Malfunction of Capacity Determination Device................ 351
C4 Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger..... 352
3.9
3.10 C5 Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes................ 353
3.11 C9 Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air ............... 354
3.12 CJ Indoor Unit: Malfunction of Thermostat Sensor in Remote Controller 355
3.13 E1 Outdoor Unit: PC Board Defect.......................................................... 356
3.14 E2 Outdoor Unit: Detection of ground leakage by leak detection PC board
ass'y357
3.15 E3 Outdoor Unit: Actuation of High Pressure Switch .............................. 359
3.16 E4 Outdoor Unit: Actuation of Low Pressure Sensor .............................. 361
3.17 E5 Outdoor Unit: Inverter Compressor Motor Lock ................................. 363
3.18 E6 Outdoor Unit: STD Compressor Motor Overcurrent/Lock .................. 365
3.19 E7 Outdoor Unit: Malfunction of Outdoor Unit Fan Motor ....................... 367
3.20 E9 Outdoor Unit: Malfunction of Moving Part of Electronic Expansion Valve
(Y1E~Y5E) ............................................................................................... 370
3.21 F3 Outdoor Unit: Abnormal Discharge Pipe Temperature ...................... 372
3.22 F6 Outdoor Unit: Refrigerant Overcharged ............................................. 374
3.23 H7 Outdoor Unit: Abnormal Outdoor Fan Motor Signal ............................ 375
3.24 H9 Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air ......... 377
3.25 J2 Outdoor Unit: Current Sensor Malfunction......................................... 378
3.26 J3 Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R31, 32T) . 380
3.27 J4 Outdoor Unit: Malfunction of Temperature Sensor for Heat Exchanger Gas
(R2T or R11T) .......................................................................................... 381
Troubleshooting
Part 5
315