Table of Contents
Advertisement
4. Check ......................................................................................................371
v
Overcurrent .............................................................................................. 311
3.41 Discharge Pipe Temperature Abnormality ............................................... 312
3.42 Wet Alarm................................................................................................. 314
3.43 Refrigerant Overcharged.......................................................................... 316
3.44 Thermistor Abnormality ............................................................................ 317
PCB)......................................................................................................... 318
3.46 Outdoor Fan PCB Abnormality................................................................. 319
3.47 High Pressure Sensor Abnormality .......................................................... 320
3.48 Low Pressure Sensor Abnormality ........................................................... 321
3.49 Inverter PCB Abnormality......................................................................... 322
3.50 Inverter Radiation Fin Temperature Rise Abnormality ............................. 324
3.51 Compressor Instantaneous Overcurrent .................................................. 327
3.52 Compressor Overcurrent.......................................................................... 329
3.53 Compressor Startup Abnormality ............................................................. 331
3.55 Power Supply Voltage Imbalance ............................................................ 335
3.56 Inverter Radiation Fin Temperature Abnormality ..................................... 337
Combination of PCB Abnormality............................................................. 339
3.58 Refrigerant Shortage ................................................................................ 340
3.59 Reverse Phase, Open Phase, Power Supply Frequency Issue ............... 341
3.60 Power Supply Insufficient or Instantaneous Abnormality ......................... 342
3.61 Check Operation Not Executed................................................................ 344
Phase in Power Supply Wiring ................................................................. 345
3.63 Transmission Error between Remote Controller and Indoor Unit............. 348
3.64 Transmission Error between Outdoor Units ............................................. 349
3.65 Transmission Error between Main and Sub Remote Controllers ............. 355
Same System ........................................................................................... 356
3.67 Improper Combination of Indoor Unit and Outdoor Unit........................... 357
3.68 Incorrect Gas Furnace Connecting Number............................................. 360
3.69 Incorrect Electric Heater Capacity Setting................................................ 361
3.70 Address Duplication of Centralized Controller.......................................... 362
3.72 System Not Set Yet .................................................................................. 366
3.73 System Abnormality, Refrigerant System Address Undefined ................. 367
Setting for Communication Completes).................................................... 369
Setting for Communication Completes).................................................... 370
4.1 High Pressure Check ............................................................................... 371
4.2 Low Pressure Check ................................................................................ 372
4.3 Superheat Operation Check..................................................................... 374
4.4 Power Transistor Check ........................................................................... 376
4.5 Refrigerant Overcharge Check................................................................. 378
SiUS342303E
Table of Contents
Advertisement
Table of Contents
Troubleshooting
