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96
16.3.7 IPM malfunction or IGBT over-strong current protection diagnosis and solution (P0)
Error Code
P0
Malfunction decision
conditions
When the voltage signal that IPM send to compressor drive chip
is abnormal, the display LED will show “P0” and AC will turn off.
Supposed causes
Wiring mistake; IPM malfunction; Outdoor fan ass’y faulty
Compressor malfunction; Outdoor PCB faulty
Trouble shooting:
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