Home Improvement Asked by Mark Labash on May 27, 2021
I have a Goodman evaporator/gas heating unit that runs the central fan motor constantly after it is powered up a couple of seconds. This happens regardless of what wires are hooked to the control board. Is the board damaged/malfunctioning? How hard is it to buy and put another in? Is it a subunit that is bad? I would hate to think the whole unit has to go because the board died.
All the best,
Mark L.
The circuit board is usually easy enough to replace, just match up all the wires. Each brand and model has their own unique way of telling you there is a problem. That is one common way. When a limit switch is open many brands will turn on the fan to let you know there is a problem. There may not be a problem with the board. Does it have an indicator light? It may be flashing you a code that can narrow down the search.
Answered by user76730 on May 27, 2021
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