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Only for training and service purposes
Part 4 Trouble Shooting
When indoor Fan does not operate.(9~30kBtu/h Model)
Trouble 5
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.
Check the Fan Motor.
Check the Fuse(AC250V, T2A).
Turn on the main power
Check the related circuit of indoor Fan Motor.
• The pin No.
38
of micom and the Q01M that drives the 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.
The voltage of Pin No 1(orange) and 3(black) of CN-FAN.
About AC 160V over About AC 50V over
SSR is not damaged Check SSR