Daikin RMXS-L Series Service Manual page 145

SiUS181305E
1. Troubleshooting with LED .......................................................................134
2. Service Check Function ..........................................................................141
3. Error Codes and Description...................................................................150
4. Troubleshooting for CTXS, FTXS, CDXS, FDXS Series.........................152
5. Troubleshooting for FFQ Series..............................................................163
6. Troubleshooting for Branch Provider (BP) Unit.......................................172
7. Troubleshooting for Outdoor Unit............................................................179
Troubleshooting
1.1 Outdoor Unit ............................................................................................. 134
1.2 Branch Provider (BP) Unit ........................................................................ 139
1.3 Indoor Unit................................................................................................ 140
2.1 CTXS, FTXS, CDXS, FDXS Series.......................................................... 141
2.2 FFQ Series ............................................................................................... 144
4.1 Indoor Unit PCB Abnormality ................................................................... 152
4.2 Freeze-up Protection Control or Heating Peak-cut Control...................... 154
4.3 Fan Motor or Related Abnormality ........................................................... 156
4.4 Thermistor or Related Abnormality........................................................... 160
4.5 Check for CTXS, FTXS, CDXS, FDXS Series ......................................... 161
5.1 Indoor Unit PCB Abnormality ................................................................... 163
5.2 Drain Level Control System Abnormality.................................................. 164
5.3 Fan Motor or Related Abnormality ........................................................... 165
5.4 Drain System Abnormality........................................................................ 166
5.5 Thermistor or Related Abnormality........................................................... 167
5.6 Remote Controller Thermistor Abnormality .............................................. 168
5.7 Signal Transmission Error between Remote Controller and Indoor Unit.. 169
5.8 Signal Transmission Error between MAIN Remote Controller and SUB Re-
mote Controller......................................................................................... 170
5.9 Field Setting Abnormality ......................................................................... 171
6.1 Electronic Expansion Valve Abnormality.................................................. 172
6.2 Branch Provider (BP) Unit PCB Abnormality............................................ 173
6.3 Branch Provider (BP) Liquid or Gas Pipe Thermistor Abnormality........... 174
6.4 Signal transmission Error between Indoor Unit and Branch Provider (BP)
Unit ........................................................................................................... 175
6.5 Transmission Error between Outdoor Unit and Branch Provider (BP)
Unit ........................................................................................................... 177
6.6 Check for Branch Provider (BP) Unit........................................................ 178
7.1 Outdoor Unit PCB Abnormality................................................................. 179
7.2 Actuation of High Pressure Switch ........................................................... 180
7.3 Actuation of Low Pressure Sensor ........................................................... 182
7.4 Compressor Motor Lock ........................................................................... 184
7.5 Outdoor Fan Motor Abnormality ............................................................... 185
7.6 Moving Part of Electronic Expansion Valve (Y1E, Y3E) Abnormality....... 186
Troubleshooting
Part 8
136