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Goodman GMH80903BN Defrost Sensor Board
The defrost control board controls if and when to commence the defrost sequence in order to keep your outdoor unit from plugging up. The defrost board depends on a sensor located somewhere by the condenser to decide when to initiate the defrosting cycle.
Easy warnings to watch for in a bad AC defrost sensor board
- Your main control board may throw an error number referring to a failing defrost control board
- The system will stop operating due to the amount of frost on the outdoor unit
- The defrost feature never initiates even though there is quite a bit frost in the way
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Before buying or purchasing any Goodman GMH80903BN part do your best and double check the model number as well as make a visual comparison so that you are positive that the right defrost sensor board is the one being purchased. Once you have the part to install it yourself. Hire someone with experience locally to replace the part.
Feel free to download your manual for help.
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