Part 6 Troubleshooting - Daikin VRV III REYQ8PY1 Service Manual

Si37-701
1. Symptom-based Troubleshooting .......................................................212
2. Troubleshooting by Remote Controller ...............................................215
3. Troubleshooting by Indication on the Remote Controller ....................230
Troubleshooting
Troubleshooting
2.1 The INSPECTION / TEST Button.........................................................215
2.2 Self-diagnosis by Wired Remote Controller .........................................216
2.3 Self-diagnosis by Wireless Remote Controller .....................................217
2.4 Inspection Mode ...................................................................................220
2.5 Remote Controller Service Mode .........................................................221
2.6 Test Run Mode.....................................................................................223
2.7 Remote Controller Self-Diagnosis Function .........................................223
3.1 " A0 " Indoor Unit: Error of External Protection Device............................230
3.2 " A1 " Indoor Unit: PC Board Defect ........................................................231
3.3 " A3 " Indoor Unit: Malfunction of Drain Level Control System (S1L) ......232
3.4 " A6 " Indoor Unit: Fan Motor (M1F) Lock, Overload...............................234
" A6 " Indoor Unit: Malfunction of Indoor Unit Fan Motor.........................236
" A6 " Indoor Unit: Overload / Overcurrent /
Lock of Indoor Unit Fan Motor..............................................................237
3.5 " A7 " Indoor Unit: Malfunction of Swing Flap Motor (M1S).....................238
3.6 " A9 " Indoor Unit: Electronic Expansion Valve Malfunction /
Dust Clogging.......................................................................................240
" A9 " Indoor Unit: Malfunction of Electronic Expansion Valve Coil.........242
3.7 " AF " Indoor Unit: Drain Level above Limit .............................................244
3.8 " AJ " Indoor Unit: Malfunction of Capacity Determination Device ..........245
3.9 " C4 " Indoor Unit: Malfunction of Thermistor (R2T) for
Heat Exchanger....................................................................................246
3.10 " C5 " Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes .........247
3.11 " C9 " Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air.........248
3.12 " CJ " Indoor Unit: Malfunction of Thermostat Sensor in
Remote Controller ................................................................................249
3.13 " E1 " Outdoor Unit: PC Board Defect .....................................................250
3.14 " E3 " Outdoor Unit: Actuation of High Pressure Switch..........................251
3.15 " E4 " Outdoor Unit: Actuation of Low Pressure Sensor..........................253
3.16 " E5 " Outdoor Unit: Inverter Compressor Motor Lock.............................255
3.17 " E6 " Outdoor Unit: STD Compressor Motor Overcurrent/Lock..............257
3.18 " E7 " Outdoor Unit: Malfunction of Outdoor Unit Fan Motor ...................258
3.19 " E9 " Outdoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E~Y5E)...............................................261
3.20 " F3 " Outdoor Unit: Abnormal Discharge Pipe Temperature..................263
3.21 " F6 " Outdoor Unit: Refrigerant Overcharged.........................................265
3.22 " F9 " Outdoor Unit: Malfunction of BS Unit Electronic
Expansion Valve...................................................................................266
3.23 " H7 " Outdoor Unit: Abnormal Outdoor Fan Motor Signal ......................268
3.24 " H9 " Outdoor Unit: Malfunction of Thermistor (R1T) for
Outdoor Air ...........................................................................................270
3.25 " J2 " Outdoor Unit: Current Sensor Malfunction ....................................271
Part 6
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