LG THERMA V AHNW16606B0 Service Manual page 65

Display
Title
code
Open and Reverse Phase
54
Error
n Error diagnosis and countermeasure flow chart
Items for checking
Installation
Fuse damage
(R and S phases)
Inverter PCB
Cause of error
Prevention of phase unbal-
ance and prevention of
reverse rotation of con-
stant-rate compressor
Sub-items for checking
Checking N-phase
※ Refer to 3.17.1
Checking for open
and reverse phase
※ Refer to 3.17.3
AC load
- 65 -
Check point & Normal condition
Main power wiring fault
Checking for power
phase loss
※ Refer to 3.17.2