Table of Contents
Advertisement
When indoor Fan does not operate.
Trouble 4
• 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.
Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Turn off main power.
Check the connection of CN-MOTOR.
Check the Fan Motor.
Check the Fuse(AC250V, T2A).
Check the related circuit of indoor Fan Motor.
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-MOTOR.
About AC 180V over
SSR is not damaged
About AC 50V over
Check SSR
- 71 -
Troubleshooting Guide
LGE Internal Use Only
- Quick Links:
- Self-Diagnosis Function
- Outdoor Unit
Hide quick links:
Advertisement
Table of Contents
