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The heatter won't come on - Goodman GMS90703BXA Heater

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First thing is check if you are getting 120 volts to the unit at the L1 and neutral terminals on the control board, if that checks out good check to see if you are getting 24 volts at the w-c terminals at the control board. Let me know how it goes and I will work with you untill we can determine the problem.

Posted on Jan 02, 2011


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