Haier AU60NFIERA - Current Exceeds Standard Value; Control Panel and IPM Communication Fault

52
[18] Alarm and stop when current exceed the standard value which can recoverable automatically
Use the PC-monitor
detector and ampere
meter to test the current
value, whether the
difference is within±15%
Replace the current
transducer
Check if the
communication wiring
of the module plug well
Check if the power supply
of the outdoor PCB is
normal, the indicator
LED3 is bright
Replace inverter
module
Replace PCB
Reconnect
No
No
No
Yes
Yes
[20] Communicating fault of control panel and IPM