48 Multi Type Air Conditioner
Electronic Parts Troubleshooting Guide
5. When indoor Fan does not operate
Check the SSR high speed operation by remote control.
(The Indoor Fan Motor is connected)
Turn off Main power
Check the connection of CN-FAN or CN-MOTOR
Check the Fan Motor
Check the Fuse(AC250V/T2A)
Turn ON Main Power
Check the related circuit of indoor Fan Motor.
• The pin of Micom, and the part for driving SSR
• Check the 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(blue) and 3(yellow) of CN-FAN or CN-MOTOR.
About AC 160V over About AC 50V over
SSR is not damaged SSR Check
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