Part 8 Troubleshooting - Daikin Super Multi Plus E-Series FTXG25EV1BW Service Manual

SiBE18-821_C
1. Troubleshooting with LED ...................................................................325
2. Service Check Function ......................................................................334
3. Error Codes and Description...............................................................350
4. Troubleshooting for RA Indoor Unit.....................................................352
5. Troubleshooting for SA Indoor Unit.....................................................363
6. Troubleshooting for BP Unit ................................................................376
7. Troubleshooting for Outdoor Unit........................................................383
Troubleshooting
Troubleshooting
1.1 Outdoor Unit .........................................................................................325
1.2 BP Unit .................................................................................................330
1.3 Indoor Unit............................................................................................331
2.1 RA Indoor Unit - F(C)TXG, FTXS, FVXS, FLXS, FDXS Series............334
2.2 SA Indoor Unit - FFQ, FCQ, FDBQ, FBQ, FHQ Series........................343
4.1 Indoor Unit PCB Abnormality ...............................................................352
4.2 Freeze-up Protection Control or Heating Peak-cut Control..................353
4.3 Fan Motor or Related Abnormality .......................................................355
4.4 Thermistor or Related Abnormality (Indoor Unit)..................................358
4.5 Front Panel Open / Close Fault............................................................359
4.6 Check for RA Indoor Unit .....................................................................360
5.1 Indoor Unit PCB Abnormality ...............................................................363
5.2 Drain Water Level System Abnormality................................................364
5.3 Fan Motor or Related Abnormality (FHQ Series) .................................366
5.4 Swing Motor Lock (FHQ Series)...........................................................367
5.5 Drain System Abnormality....................................................................368
5.6 Indoor Liquid Pipe Thermistor (R2T) Abnormality ................................369
5.7 Indoor Heat Exchanger Thermistor (R3T) Abnormality ........................370
5.8 Suction Air Thermistor (R1T) Abnormality............................................371
5.9 Remote Controller Thermistor Abnormality ..........................................372
5.10 Transmission Error between Remote Controller and Indoor Unit.........373
5.11 Transmission Error between Main and Sub Remote Controllers .........374
5.12 Field Setting Switch Abnormality..........................................................375
6.1 Electronic Expansion Valve Abnormality..............................................376
6.2 BP Unit PCB Abnormality.....................................................................377
6.3 BP Liquid or Gas Pipe Thermistor Abnormality....................................378
6.4 Transmission Error between Indoor Unit and BP Unit..........................379
6.5 Transmission Error between Outdoor Unit and BP Unit.......................381
6.6 Check for BP Unit.................................................................................382
7.1 Outdoor Unit PCB Abnormality.............................................................383
7.2 Actuation of High Pressure Switch .......................................................384
7.3 Actuation of Low Pressure Sensor .......................................................386
7.4 Compressor Motor Lock .......................................................................388
7.5 Outdoor Fan Motor Abnormality ...........................................................389
7.6 Moving Part of Electronic Expansion Valve (Y1E, Y3E) Abnormality...390
7.7 Discharge Pipe Temperature Abnormality ...........................................392
7.8 Refrigerant Overcharged......................................................................393
Part 8
323