Daikin REYQ8-48PY1B - 2.4 Inspection Mode

SiBE37-701_B
Troubleshooting 236
Part 6
Troubleshooting
1. Symptom-based Troubleshooting .......................................................239
2. Troubleshooting by Remote Controller ...............................................242
2.1 The INSPECTION / TEST Button.........................................................242
2.2 Self-diagnosis by Wired Remote Controller .........................................243
2.3 Self-diagnosis by Wireless Remote Controller .....................................244
2.4 Inspection Mode...................................................................................247
2.5 Remote Controller Service Mode .........................................................248
2.6 Test Run Mode.....................................................................................251
2.7 Remote Controller Self-Diagnosis Function .........................................251
3. Troubleshooting by Indication on the Remote Controller ....................259
3.1 “
A0
” Indoor Unit: Error of External Protection Device............................259
3.2 “
A1
” Indoor Unit: PCB Defect ................................................................260
3.3 “
A3
” Indoor Unit: Malfunction of Drain Level Control System (S1L) ......261
3.4 “
A6
” Indoor Unit: Fan Motor (M1F) Lock, Overload...............................263
“
A6
” Indoor Unit : Malfunction of Indoor Unit Fan Motor........................265
3.5 “
A7
” Indoor Unit: Malfunction of Swing Flap Motor (M1S).....................269
3.6 “
A8
” Abnormal Power Supply Voltage...................................................271
3.7 “
A9
” Electronic Expansion Valve Malfunction / Dust Clogging ..............272
“
A9
” Indoor Unit: Malfunction of Electronic Expansion Valve Coil.........274
3.8 “
AF
” Indoor Unit: Drain Level above Limit .............................................276
3.9 “
AJ
” Indoor Unit: Malfunction of Capacity Determination Device ..........277
3.10 “
C1
” Indoor Unit: Failure of Transmission
(Between Indoor unit PCB and Fan PCB) ............................................278
3.11 “
C4
” Indoor Unit: Malfunction of Thermistor (R2T) for
Heat Exchanger....................................................................................280
3.12 “
C5
” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes .........281
3.13 “
C6
” Indoor Unit: Failure of Combination
(Between Indoor unit PCB and Fan PCB) ............................................282
3.14 “
C9
” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........283
3.15 “
CJ
” Indoor Unit: Malfunction of Room Temperature
Thermistor in Remote Controller ..........................................................284
3.16 “
E1
” Outdoor Unit: PCB Defect .............................................................285
3.17 “
E3
” Outdoor Unit: Actuation of High Pressure Switch..........................286
3.18 “
E4
” Outdoor Unit: Actuation of Low Pressure Sensor..........................288
3.19 “
E5
” Outdoor Unit: Inverter Compressor Motor Lock.............................290
3.20 “
E6
” Outdoor Unit: STD Compressor Motor Overcurrent/Lock..............292
3.21 “
E7
” Outdoor Unit: Malfunction of Outdoor Unit Fan Motor ...................293
3.22 “
E9
” Outdoor Unit: Malfunction of
Electronic Expansion Valve Coil (Y1E~Y5E)........................................296
3.23 “
F3
” Outdoor Unit: Abnormal Discharge Pipe Temperature..................298
3.24 “
F6
” Outdoor Unit: Refrigerant Overcharged.........................................300
3.25 “
F9
” Outdoor Unit : Malfunction of
BS Unit Electronic Expansion Valve.....................................................301
3.26 “
H7
” Outdoor Unit: Abnormal Outdoor Fan Motor Signal ......................303