Daikin VRV-WIII RWEYQ72PTJU Service Manual page 5

SiUS30-1301
Table of Contents
3.5 Indoor Unit Fan Motor Abnormality .......................................................... 158
3.6 Indoor Unit Fan Motor Abnormality .......................................................... 159
3.7 Overload / Overcurrent / Lock of Indoor Unit Fan Motor .......................... 163
3.8 Swing Flap Motor (M1S) Abnormality....................................................... 164
3.9 Power Supply Voltage Abnormality .......................................................... 166
3.10 Electronic Expansion Valve Electronic Expansion Valve
Coil Abnormality ....................................................................................... 168
3.11 Drain Level above Limit............................................................................ 169
3.12 Capacity Determination Device Abnormality ............................................ 170
3.13 Transmission Abnormality between Indoor Unit PCB and Fan PCB........ 171
3.14 Thermistor Abnormality ............................................................................ 173
3.15 Combination Error between Indoor Unit PCB and Fan PCB .................... 174
3.16 Remote Sensor Abnormality .................................................................... 175
3.17 Thermistor Abnormality ............................................................................ 176
3.18 Humidity Sensor System Abnormality ...................................................... 177
3.19 Room Temperature Thermistor in Remote Controller Abnormality .......... 178
3.20 PCB Abnormality ...................................................................................... 179
3.21 Ground Leakage by Leak Detection PCB Assy........................................ 180
3.22 Actuation of High Pressure Switch ........................................................... 182
3.23 Actuation of Low Pressure Sensor ........................................................... 184
3.24 Inverter Compressor Motor Lock.............................................................. 186
3.25 Electronic Expansion Valve Coil (Y1E~Y5E) Abnormality........................ 188
3.26 Abnormal Discharge Pipe Temperature ................................................... 190
3.27 Refrigerant Overcharged.......................................................................... 191
3.28 Water System Abnormality....................................................................... 193
3.29 Thermistor System Abnormality ............................................................... 195
3.30 High Pressure Sensor Abnormality .......................................................... 196
3.31 Low Pressure Sensor Abnormality ........................................................... 198
3.32 Inverter Radiation Fin Temperature Rise Abnormality ............................. 200
3.33 Momentary Overcurrent of Inverter Compressor...................................... 202
3.34 Momentary Overcurrent of Inverter Compressor...................................... 204
3.35 Inverter Compressor Startup Error ........................................................... 206
3.36 Transmission Error between Inverter and Condensing Unit
PCB .......................................................................................................... 208
3.37 Inverter Over-Ripple Protection................................................................ 210
3.38 Inverter Radiation Fin Temperature Thermistor Rise Abnormality ........... 211
3.39 Field Setting Abnormality after Replacing Condensing Unit Main PCB or
Combination of PCB Abnormality............................................................. 212
3.40 Refrigerant Shortage Alert........................................................................ 213
3.41 Open Phase ............................................................................................. 215
3.42 Power Supply Insufficient or Instantaneous Failure ................................. 216
3.43 Check Operation is not Executed............................................................. 218
3.44 Transmission Error between Indoor Units and Condensing Units............ 219
3.45 Transmission Error between Remote Controller and Indoor Unit............. 221
3.46 Transmission Error between Condensing Units ....................................... 222
3.47 Transmission Error between Main and Sub Remote Controllers ............. 228
3.48 Transmission Error between Indoor and Condensing Units in the
Same System ........................................................................................... 229
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