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8.2.2 Zero crossing detection error diagnosis and solution
Yes
Indoor main PCB is
defective. Replace indoor
main PCB.
Power off, then restart the
unit 2 minutes later
8.2.3 Indoor fan speed has been out of control diagnosis and solution
Power off, then restart the
unit 2 minutes later
Shut off the power supply,
Rotate the fan by hand.
The unit operates normally.
Find out the cause and have
it solved
Check the wiring of fan
motor
No
Yes
No
Correct the connections.
No
No
Replace the fan motor
Yes
Yes
Measure the voltage for the
fan motor from the main
PCB
Yes
Replace the main PCB
No
Содержание Pyrenees YM9FXC030BAA FX Series
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