When Indoor Fan Does Not Operate - LG AS-H076PB Service Manual

Troubleshooting Guide

When Indoor Fan does not operate.

- Check PWM signal from Micom Pin 50
52 Room Air Conditioner
Check the connection of CN-MOTOR1, 2
Check the Fuse(AC250V/3.15A)
- Check On/Off signal from micom pin14.
- Check Voltage of CN-Motor 1, 2
(pin ~ is about 15V)
Fan can't operate for dehumidifying mode.
- Change operation for cooling mode.
Turn off Main power
Check the Fan Motor
Turn ON Main Power