Installation guide

144

COMMISSIONING

ENGLISH

Display

code

Title Cause of error Check point & Normal condition

AC input instant over

current error

(Matter of software)

(HM**1M U*3) PCB(Inverter) input

power current is over 48A(Peak) for

2ms.

(HM**3M U*3) PCB(Inverter) input

power current is over 27A(Peak) for

2ms.

1. Overload operation (Pipe clogging/Covering/EEV

defect/Ref.overcharge)

2. Compressor damage (Insulation damage/Motor

damage)

3. Input voltage abnormal

4. Power line assemble condition abnormal

5. PCB assembly 1 damage (input current sensing part)