Part 6 Troubleshooting - Daikin VRV - WII Service Manual

SiUS30-604
1. Troubleshooting by Remote Controller ...................................................140
2. Troubleshooting by Indication on the Remote Controller ........................154
Troubleshooting
1.1 The INSPECTION / TEST Button............................................................. 140
1.2 Self-diagnosis by Wired Remote Controller ............................................. 141
1.3 Self-diagnosis by Wireless Remote Controller ......................................... 142
1.4 Operation of the Remote Controller's Inspection /
Test Operation Button .............................................................................. 144
1.5 Remote Controller Service Mode ............................................................. 145
1.6 Remote Controller Self-Diagnosis Function ............................................. 147
2.1 "A0" Indoor Unit: Error of External Protection Device ............................... 154
2.2 "A1" Indoor Unit: PC Board Defect............................................................. 155
2.3 "A3" Indoor Unit: Malfunction of Drain Level Control System (S1L) .......... 156
2.4 "A6" Indoor Unit: Fan Motor (M1F) Lock, Overload................................... 158
2.5 "A7" Indoor Unit: Malfunction of Swing Flap Motor (MA) ........................... 162
2.6 "A9" Indoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E)............................................................ 164
2.7 "AF" Indoor Unit: Drain Level above Limit.................................................. 166
2.8 "AJ" Indoor Unit: Malfunction of Capacity Determination Device .............. 167
2.9 "C4" Indoor Unit: Malfunction of Thermistor (R2T) for
Heat Exchanger........................................................................................ 168
2.10 "C5" Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes.............. 169
2.11 "C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air............. 170
2.12 "CJ" Indoor Unit: Malfunction of Thermostat Sensor in
Remote Controller .................................................................................... 171
2.13 "E1" Outside Unit: PC Board Defect........................................................... 172
2.14 "E3" Outside Unit: Actuation of High Pressure Switch............................... 173
2.15 "E4" Outside Unit: Actuation of Low Pressure Sensor............................... 175
2.16 "E5" Compressor Motor Lock .................................................................... 177
2.17 "E9" Outside Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E, Y3E)................................................... 179
2.18 "F3" Outside Unit: Abnormal Discharge Pipe Temperature....................... 181
2.19 "F6" Refrigerant Overcharged ................................................................... 182
2.20 "HJ" Malfunction of Water system ............................................................. 184
2.21 "J3" Outside Unit: Malfunction of Discharge Pipe Thermistor (R3T)......... 186
2.22 "J4" Malfunction of Heat Exchanger Gas Pipe Thermistor (R4T) ............. 187
2.23 "J5" Outside Unit: Malfunction of Thermistor (R2T) for Suction Pipe........ 188
2.24 "J7" Malfunction of Liquid Pipe Thermistor (R6T) ..................................... 189
2.25 "J9" Malfunction of Sub Cooling Heat Exchanger Outlet Thermistor
(R5T) ........................................................................................................ 190
2.26 "JA" Outside Unit: Malfunction of Discharge Pipe Pressure Sensor ......... 191
2.27 "JC" Outside Unit: Malfunction of Suction Pipe Pressure Sensor.............. 193
Troubleshooting
Part 6
137