Forum Discussion
wolfe10
Nov 02, 2015Explorer
If the fan will not start and circuit from thermostat OK and 12 VDC to PC board, it is NOT a sail switch. The sail switch only comes into play AFTER the fan starts.
Agree with others, the PC board (or connection to it) is bad.
I would start by cleaning the contact area of the PC board and reinstalling the gang plugs using a good electric cleaner such as http://www.deoxit.com/
If that doesn't work, replace the PC board.
Agree with others, the PC board (or connection to it) is bad.
I would start by cleaning the contact area of the PC board and reinstalling the gang plugs using a good electric cleaner such as http://www.deoxit.com/
If that doesn't work, replace the PC board.
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