Question about Goodman GMS90703BXA Heater
Are you saying no lights on the control board light up as well? If so, check the door switch, Emergency switch, breaker and lastly, the power to the furnace. If you can see a light but the system is not working, check for any error code (flashing) and look at the wiring diagram on the back of the service door. Also, there is a small fuse that you may want to inspect. If you do have a light on, jump out R and G on the control board and make sure you push in on the door safety switch. Let us know what you discover!
Posted on Oct 21, 2008
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