Midea MEHSU-12PHH2 User Manual

9.3.8 Over voltage or too low voltage protection diagnosis and solution(P1)
Error Code
P1
Malfunction decision
conditions
An abnormal voltage rise or drop is detected by checking the
specified voltage detection circuit.
Supposed causes
●
Power supply problems.
●
System leakage or block
●
PCB faulty
Trouble shooting:
Remark:
Measure the DC voltage
between P and N port. The
normal value should be
around 310V.
P
N

Midea MEHSU-12PHH2 Specifications

General

Brand	Midea
Model	MEHSU-12PHH2
Category	Air Conditioner
Language	English