Daikin RMXS-L Series Service Manual page 6

3. Error Codes and Description...................................................................194
4. Troubleshooting for CTXG, CTXS, FTXS, CDXS, FDXS,
5. Troubleshooting for FFQ Series..............................................................207
6. Troubleshooting for Branch Provider (BP) Unit.......................................219
7. Troubleshooting for Outdoor Unit............................................................ 226
v
FVXS Series............................................................................................ 196
4.1 Indoor Unit PCB Abnormality ................................................................... 196
4.2 Freeze-up Protection Control/Heating Peak-cut Control .......................... 198
4.3 Indoor Fan Motor or Related Abnormality ................................................ 199
4.4 Thermistor or Related Abnormality........................................................... 203
4.5 Front Panel Open/Close Fault.................................................................. 204
4.6 Check for CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series .................. 205
5.1 Indoor Unit PCB Abnormality ................................................................... 207
5.2 Drain Level Control System Abnormality.................................................. 208
5.3 Indoor Fan Motor (DC Motor) or Related Abnormality ............................. 209
5.4 Humidifier or Related Abnormality............................................................ 211
5.5 Thermistor or Related Abnormality........................................................... 212
5.6 Presence Sensor or Floor Sensor Abnormality ........................................ 213
5.7 Remote Controller Thermistor Abnormality .............................................. 214
5.8 Signal Transmission Error (Between Indoor Unit and
Remote Controller) ................................................................................... 215
5.9 Signal Transmission Error (Between MAIN Remote Controller and
SUB Remote Controller)........................................................................... 216
5.10 Mismatching of Indoor Unit and Outdoor Unit .......................................... 217
5.11 Check for FFQ Series............................................................................... 218
6.1 Electronic Expansion Valve Abnormality.................................................. 219
6.2 Branch Provider (BP) Unit PCB Abnormality............................................ 220
6.3 Branch Provider (BP) Liquid or Gas Pipe Thermistor Abnormality........... 221
6.4 Signal transmission Error between Indoor Unit and
Branch Provider (BP) Unit ........................................................................ 222
6.5 Transmission Error between Outdoor Unit and
Branch Provider (BP) Unit ........................................................................ 224
6.6 Check for Branch Provider (BP) Unit........................................................ 225
7.1 Outdoor Unit PCB Abnormality................................................................. 226
7.2 Actuation of High Pressure Switch ........................................................... 227
7.3 Actuation of Low Pressure Sensor ........................................................... 229
7.4 Compressor Motor Lock ........................................................................... 231
7.5 Outdoor Fan Motor Abnormality ............................................................... 232
7.6 Moving Part of Electronic Expansion Valve (Y1E, Y3E) Abnormality....... 233
7.7 Discharge Pipe Temperature Abnormality ............................................... 235
7.8 Refrigerant Overcharged.......................................................................... 236
7.9 Outdoor Temperature Thermistor (R1T) Abnormality .............................. 237
7.10 Discharge Pipe Thermistor (R2T) Abnormality......................................... 238
7.11 Suction Pipe Thermistor (R3T, R5T) Abnormality .................................... 239
7.12 Outdoor Heat Exchanger Thermistor (R4T) Abnormality ......................... 240
7.13 Outdoor Liquid Pipe Thermistor (R7T) Abnormality ................................. 241
7.14 Subcooling Heat Exchanger Gas Pipe Thermistor (R6T) Abnormality..... 242
7.15 High Pressure Sensor Abnormality .......................................................... 243
7.16 Low Pressure Sensor Abnormality ........................................................... 244
SiUS181631EA
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