Midea MSEAAU-09HRFN1(SB) Service Manual page 48

Kids Star Inverter
11.2.9 Over voltage or too low voltage protection diagnosis and solution(P1)
Error Code
Malfunction decision
conditions
Supposed causes
48
P1
An abnormal voltage rise or drop is detected by checking the
specified voltage detection circuit.
Power supply problems.
●
System leakage or block
●
PCB faulty
●
DM16-01.01.23en
Service manual