Troubleshooting Guide
Table Of Contents
8.4.2.14 P6 (Inverter module (IPM) malfunction) diagnosis and solution.
Error Code P6
Malfunction decision
conditions
When the voltage signal that IPM send to compressor drive
chip is abnormal, the display LED will show “P6” and AC will
turn off.
Supposed causes
● Wiring mistake
● IPM malfunction
● Outdoor fan ass’y faulty
● Compressor malfunction
● Outdoor PCB faulty
Trouble shooting: