LG Universal System Air Conditioner Service Manual page 85

When indoor Fan does not operate.
Trouble 4
• The pin No.
• 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.
About AC 160V over
SSR is not damaged
Turn off main power.
Check the connection of CN-FAN.
Check the Fan Motor.
Check the Fuse(AC250V, T2A).
Check the related circuit of indoor Fan Motor.
of micom and the part for driving SSR.(Q01M)
38
Turn on the main power
Check the SSR high speed operation by remote control.
(the Indoor Fan Motor is connected)
The voltage of Pin No 1(orange) and 3(black) of CN-FAN.
Troubleshooting Guide
About AC 50V over
Check SSR
Service Manual 85