Vivax Mission Inverter Series Service Manual page 52

Mission Inverter
11.2.3 Fan speed has been out of control diagnosis and solution(E3)
Error Code
Malfunction decision
conditions
Supposed causes
Trouble shooting:
52
E3
When indoor fan speed keeps too low (300RPM) for certain time,
the unit will stop and the LED will display the failure.
Wiring mistake
●
Fan ass'y faulty
●
Fan motor faulty
●
PCB faulty
●
DM16-01.01.22en
Service manual