Pioneer YN024GMFI22RPD User Manual

101
16.3.10 Inverter compressor drive error diagnosis and solution(P4)
Error Code
P4
Malfunction decision
conditions
An abnormal inverter compressor drive is detected by a special
detection circuit, including communication signal detection,
voltage detection, compressor rotation speed signal detection
and so on.
Supposed causes
Wiring mistake; IPM malfunction; Outdoor fan ass’y faulty
Compressor malfunction; Outdoor PCB faulty
Trouble shooting:

Pioneer YN024GMFI22RPD Specifications

General

Brand	Pioneer
Model	YN024GMFI22RPD
Category	Air Conditioner
Language	English