LG Electronics AS-W126URH1/UBH1/UWH1/UMH1 Air Conditioner User Manual


 
72 Room Air Conditioner
Troubleshooting Guide
When indoor Fan does not operate.
Trouble 4
Check the SSR high speed operation by remote control.
(the Indoor Fan Motor is connected)
Turn off main power.
Check the connection of CN-MOTOR.
Check the Fan Motor.
Check the Fuse(AC250V, T2A).
Turn on the main power
Check the related circuit of indoor Fan Motor.
The pin No.45 of micom and the part for driving SSR.
Check the related pattern.
Check the SSR.
- SSR Open: Indoor Fan Motor never operate.
- SSR short: Indoor Fan Motor always operates in case of ON or OFF.
The voltage of Pin No 1(orange) and 3(black) of CN-MOTOR.
About AC 180V over About AC 50V over
SSR is not damaged Check SSR