Midea MSEAAU-09HRFN1(SB) Service Manual page 40

Kids Star Inverter
11.2.3 Fan speed has been out of control diagnosis and solution(E3)
Error Code
Malfunction decision
conditions
Supposed causes
Trouble shooting:
40
E3/E7
When indoor fan speed keeps too low (300RPM) or too
high(1500RPM) 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
●
DM16-01.01.23en
Service manual