44
9.3.10 Inverter compressor drive error diagnosis and solution(P4)
Error Code
P4
Malfunction decision
conditions
An abnormal inverter compressor drive is detected by a special
detection circuit, including communication signal detection,
voltage detection, compressor rotation speed signal detection
and so on.
Supposed causes
●
Wiring mistake
●
IPM malfunction
●
Outdoor fan ass’y faulty
●
Compressor malfunction
●
Outdoor PCB faulty
Trouble shooting:
Содержание KSIF009-H115-I
Страница 7: ...5 2 2 Indoor Outdoor units ...
Страница 9: ...7 For Mounted plate A For Mounted plate B For Mounted plate C ...
Страница 10: ...8 For Mounted plate D ...
Страница 42: ...40 P W N U ...
Страница 43: ...41 N V N W ...