Voltage Too Low Of Dc Bus Line Of Transducer - Haier AU082FYCRA(HW) Service Manual

[114] Voltage too low of DC bus line of transducer

Check if voltage of power
supply is normal
Check if wire of electric box is
correct
If AC contactor or relay acts well
Measure if DC bus line voltage
between P and N of module is
less than 375V
Check rectifier, reactor,
electrolytic capacitor in
inverter main circuit
Y
Y
Y
Y
93
N
Improve power supply circuit
N
Correct the wiring due to
diagram
N
Adjust or replace relay
Circuit of DC bus line voltage
N
on inverter control board
abnormal, replace inverter
control board