Daikin Super Multi Plus E-Series Service Manual page 313

SiEN18-622
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Troubleshooting
Troubleshooting
Caution for Diagnosis .......................................................................303
1.1 Troubleshooting with the Operation Lamp (RA Indoor Unit) ................303
1.2 Troubleshooting with the LED on the SkyAir Indoor Unit .....................304
1.3 Troubleshooting with the LED on the Outdoor Unit..............................305
1.4 Troubleshooting with the LED on the BP Unit ......................................306
Service Check Function....................................................................307
2.1 RA Indoor Unit Infrared Remote Control ..............................................307
2.2 SkyAir Indoor Unit INSPECTION/TEST Button....................................311
2.3 SkyAir Indoor Unit Wired Remote Control............................................312
2.4 SkyAir Indoor Unit Infrared Remote Control.........................................313
2.5 SkyAir Indoor Unit Error Codes and LED Indication.............................315
2.6 Malfunction Code Indication by Outdoor Unit PCB ..............................316
List of Malfunction Code ...................................................................320
Troubleshooting for RA Indoor Unit ..................................................322
4.1 Indoor Unit PCB Abnormality ...............................................................322
4.2 Freeze-up Protection Control or High Pressure Control.......................323
4.3 Fan Motor or Related Abnormality .......................................................325
4.4 Thermistor or Related Abnormality (Indoor Unit)..................................328
4.5 Shutter Drive Motor / Shutter Limit Switch Abnormality .......................329
4.6 Check ...................................................................................................330
Troubleshooting for SkyAir Indoor Unit.............................................333
5.1 Indoor Unit PCB Abnormality ...............................................................333
5.2 Malfunction of Drain Water Level System (Float Type)........................334
5.3 Malfunction of Drain System ................................................................336
5.4 Indoor Unit Fan Motor Lock..................................................................337
5.5 Malfunction of Indoor Unit Fan Motor ...................................................338
5.6 Swing Flap Motor Malfunction / Lock ...................................................340
5.7 Malfunction of Capacity Setting............................................................342
5.8 Malfunction of Heat Exchanger Thermistor (R2T)................................343
5.9 Malfunction of Heat Exchanger Thermistor (R3T)................................344
5.10 Malfunction of Suction Air Thermistor ..................................................345
5.11 Malfunction of Remote Control Thermistor...........................................346
5.12 Transmission Error (between Indoor Unit and Remote Control) ..........347
5.13 Transmission Error (between Main and Sub Remote Control).............348
5.14 Malfunction of Field Setting Switch ......................................................349
5.15 Check ...................................................................................................350
Troubleshooting for BP Unit .............................................................352
6.1 Malfunction of Electronic Expansion Valve ..........................................352
6.2 Faulty BP Unit PCB ..............................................................................353
6.3 Faulty BP Liquid or Gas Pipe Thermistor .............................................354
6.4 Transmission Error between Indoor Unit and BP Unit..........................355
6.5 Transmission Error between Outdoor Unit and BP Unit.......................357
6.6 Check ...................................................................................................358
Troubleshooting for Outdoor Unit .....................................................359
Part 8
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