Cycle Troubleshooting Guide
Check the TRIAC 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 Main Power
Check the related circuit of indoor Fan Motor.
• The pin NO 58 of Micom, and the part for driving TRIAC(the input and
output signal of IC01M, PIN NO 1, 16)
• Check the pattern
• Check the TRIAC
- TRIAC Open: Indoor Fan Motor never operate
- TRIAC short: Indoor Fan Motor always operates in case of ON or OFF.
When indoor Fan does not operate.
The voltage of PIN NO 1(orange) and 3(yellow) of CN-MOTOR.
About AC 180V over About AC 50V over
TRIAC is not damaged TRIAC Check
Service Manual 37
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