Daikin RXYQ-TA Series Service Manual page 173

SiUS341615E
1. Symptom-based Troubleshooting ........................................................... 163
2. Service Check Function .......................................................................... 167
3. Troubleshooting by Error Code ............................................................... 174
Service Diagnosis
Service Diagnosis
1.1 Indoor Unit Overall ................................................................................... 163
1.2 With Optional Infrared Floor Sensor......................................................... 166
2.1 Wired Remote Controller.......................................................................... 167
2.2 Wireless Remote Controller ..................................................................... 169
2.3 Error Codes and Descriptions .................................................................. 171
2.4 Error Codes - Sub Codes ......................................................................... 173
3.1 External Protection Device Abnormality ................................................... 174
3.2 Indoor Unit PCB Abnormality ................................................................... 176
3.3 Drain Level Control System Abnormality.................................................. 177
3.4 Fan Motor Lock, Overload........................................................................ 179
3.5 Indoor Fan Motor Abnormality.................................................................. 182
3.6 Overload/Overcurrent/Lock of Indoor Fan Motor...................................... 186
3.7 Blower Motor Not Running ....................................................................... 187
3.8 Indoor Fan Motor Status Abnormality....................................................... 188
3.9 Low Indoor Airflow.................................................................................... 189
3.10 Swing Flap Motor Abnormality ................................................................. 190
3.11 Power Supply Voltage Abnormality .......................................................... 192
3.12 Blower Motor Stops for Over/Under Voltage ............................................ 193
3.13 Electronic Expansion Valve Coil Abnormality, Dust Clogging .................. 194
3.14 Drain Level above Limit............................................................................ 195
3.15 Capacity Determination Device Abnormality ............................................ 196
3.16 Transmission Abnormality between Indoor Unit PCB and Fan PCB ........ 197
3.17 Blower Motor Communication Error ......................................................... 199
3.18 Thermistor Abnormality ............................................................................ 200
3.19 Combination Error between Indoor Unit PCB and Fan PCB .................... 201
3.20 Blower Motor HP Mismatch...................................................................... 202
3.21 Indoor Blower Does Not Have Required Parameters to Function ............ 203
3.22 Remote Sensor Abnormality .................................................................... 204
3.23 Humidity Sensor System Abnormality ...................................................... 205
3.24 Infrared Presence/Floor Sensor Error ...................................................... 206
3.25 Remote Controller Thermistor Abnormality .............................................. 211
3.26 Outdoor Unit Main PCB Abnormality........................................................ 212
3.27 Current Leakage Detection ...................................................................... 213
3.28 Missing of Leakage Detection Core ......................................................... 214
3.29 Actuation of High Pressure Switch ........................................................... 215
3.30 Actuation of Low Pressure Sensor ........................................................... 217
3.31 Inverter Compressor Motor Lock.............................................................. 219
3.32 Compressor Damage Alarm ..................................................................... 221
Part 6
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