Daikin VRV - WII, Service Manual

Page: 150 / 312

SiUS30-604
Troubleshooting 137
Part 6
Troubleshooting
1. Troubleshooting by Remote Controller ...................................................140
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. Troubleshooting by Indication on the Remote Controller ........................154
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