35
9.3.4 Fan speed has been out of control diagnosis and solution(E3)
Error Code
E3/F5
Malfunction decision
conditions
When indoor fan speed keeps too low (300RPM) for certain time,
the unit will stop and the LED will display the failure.
Supposed causes
●
Wiring mistake
●
Fan ass
’
y faulty
●
Fan motor faulty
●
PCB faulty
Trouble shooting:
Содержание MSMBB-12CRDN1-MP0W
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Страница 36: ...34 9 2 3 Zero crossing detection error diagnosis and solution E2 ...
Страница 39: ...37 supply or 50V 115V power supply the PCB must has problems and need to be replaced ...
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