Daikin VRV III REYQ8PY1 Service Manual page 4

Si37-701
Part 6 Troubleshooting ............................................................. 209
1. Symptom-based Troubleshooting .......................................................212
2. Troubleshooting by Remote Controller ...............................................215
3. Troubleshooting by Indication on the Remote Controller ....................230
Table of Contents
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
A0 " Indoor Unit:
3.1 "
A1 " Indoor Unit:
3.2 "
A3 " Indoor Unit:
3.3 "
A6 " Indoor Unit:
3.4 "
A6 " Indoor Unit: Malfunction of Indoor Unit Fan Motor.........................236
"
A6 " Indoor Unit: Overload / Overcurrent /
"
Lock of Indoor Unit Fan Motor..............................................................237
A7 " Indoor Unit:
3.5 "
A9 " Indoor Unit:
3.6 "
Dust Clogging.......................................................................................240
A9 " Indoor Unit:
"
AF " Indoor Unit:
3.7 "
AJ " Indoor Unit:
3.8 "
C4 " Indoor Unit:
3.9 "
Heat Exchanger....................................................................................246
C5 " Indoor Unit:
3.10 "
C9 " Indoor Unit:
3.11 "
CJ " Indoor Unit:
3.12 "
Remote Controller ................................................................................249
E1 " Outdoor Unit:
3.13 "
E3 " Outdoor Unit:
3.14 "
E4 " Outdoor Unit:
3.15 "
E5 "
3.16 " Outdoor Unit: Inverter Compressor Motor Lock.............................255
E6 "
3.17 " Outdoor Unit: STD Compressor Motor Overcurrent/Lock..............257
E7 "
3.18 " Outdoor Unit: Malfunction of Outdoor Unit Fan Motor ...................258
E9 " Outdoor Unit:
3.19 "
Electronic Expansion Valve (Y1E~Y5E)...............................................261
F3 " Outdoor Unit:
3.20 "
F6 "
3.21 " Outdoor Unit: Refrigerant Overcharged.........................................265
F9 " Outdoor Unit: Malfunction of BS Unit Electronic
3.22 "
Expansion Valve...................................................................................266
H7 "
3.23 " Outdoor Unit: Abnormal Outdoor Fan Motor Signal ......................268
H9 " Outdoor Unit:
3.24 "
Outdoor Air ...........................................................................................270
J2 "
3.25 " Outdoor Unit: Current Sensor Malfunction ....................................271
J3 " Outdoor Unit:
3.26 "
(R31, 32T, 33T) ....................................................................................272
J4 " Outdoor Unit:
3.27 "
Heat Exchanger Gas (R2T or R11T)....................................................273
Error of External Protection Device............................230
PC Board Defect ........................................................231
Malfunction of Drain Level Control System (S1L) ......232
Fan Motor (M1F) Lock, Overload...............................234
Malfunction of Swing Flap Motor (M1S).....................238
Electronic Expansion Valve Malfunction /
Malfunction of Electronic Expansion Valve Coil.........242
Drain Level above Limit .............................................244
Malfunction of Capacity Determination Device ..........245
Malfunction of Thermistor (R2T) for
Malfunction of Thermistor (R3T) for Gas Pipes .........247
Malfunction of Thermistor (R1T) for Suction Air.........248
Malfunction of Thermostat Sensor in
PC Board Defect .....................................................250
Actuation of High Pressure Switch..........................251
Actuation of Low Pressure Sensor..........................253
Malfunction of Moving Part of
Abnormal Discharge Pipe Temperature..................263
Malfunction of Thermistor (R1T) for
Malfunction of Discharge Pipe Thermistor
Malfunction of Temperature Sensor for
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