Midea Advantage Series

49
7.4.1.6 Inverter module (IPM) malfunction diagnosis and solution.
Malfunction 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.
Potential causes
● Wiring mistake
● IPM malfunction
● Faulty outdoor fan assembly
● Compressor malfunction
● Faulty outdoor PCB
Trouble shooting: