Forum Discussion
ardvark
Jun 01, 2018Explorer
Do not replace the board. That is usually the first thing folks do and since you have not established power that is the last thing you want to do. Boards are testable and according to the manufacturer 80% of all boards returned under warranty are good.
Do you have a meter? If you do verify power to and through the stat to the board. Very simple, red meter probe to stat terminal, black on to ground. You can do that with a light tester, but a meter will give you more information regarding voltage.
Also verify power through fuses using a meter or light tester. Do not just look at them.
Do you have a meter? If you do verify power to and through the stat to the board. Very simple, red meter probe to stat terminal, black on to ground. You can do that with a light tester, but a meter will give you more information regarding voltage.
Also verify power through fuses using a meter or light tester. Do not just look at them.
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