Contents
Troubleshooting
8.8 PC 01(Over voltage or too low voltage protection)/PC 10(Outdoor unit low AC voltage
protection)/PC 11(Outdoor unit main control board DC bus high voltage protection)/PC
12(Outdoor unit main control board DC bus high voltage protection /341 MCE error)
Diagnosis and Solution .............................................................................................. 68
8.9 PC 04(Inverter compressor drive error Diagnosis and Solution) .................................. 69
8.10 PC 03/PC 31(Low Pressure Protection Diagnosis and Solution) ................................... 70
8.11 PC 02(Top temperature protection of compressor or High temperature protection of
IPM module diagnosis and solution) .......................................................................... 71
8.12 EC 0d(Outdoor unit malfunction Diagnosis and Solution) .......................................... 72
8.13 PC 40(Communication error between outdoor main PCB and IPM board diagnosis and
solution) ................................................................................................................... 73
8.14 PC 08(Current overload protection)/PC 44(Outdoor unit zero speed protection)/ PC
46(Compressor speed has been out of control)/PC 49(Compressor overcurrent failure)
diagnosis and solution .............................................................................................. 74
8.15 PC 0F(PFC module protection diagnosis and solution) ............................................... 76
8.16 EC 72 (Lack phase failure of outdoor DC fan motor diagnosis and solution) .............. 77
8.17 PC 43 (Outdoor compressor lack phase protection diagnosis and solution) ................ 78
8.18 PC 45 (Outdoor unit IR chip drive failure diagnosis and solution) ............................... 79
8.19 PC 0L (Low ambient temperature protection) ............................................................ 79
8.20 FL 09(Indoor and outdoor mismatch malfunction diagnosis and solution) .................. 79
8.21 PC 30 (High pressure protection diagnosis and solution) ........................................... 80
8.22 PC 0A (High temperature protection of condenser diagnosis and solution) ................ 82
8.23 PC 06 (Discharge temperature protection of compressor diagnosis and solution) ....... 83
To Next Page
Loading...