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Carrier FC4B Control Board
The HVAC system will be unable to operate whatsoever unless this board is in place and connected. The Carrier FC4B control board is designed to command the gas valve, the igniter, most sensors as well as the blower all in one unit. The brand of board you choose should have part numbers that match both the brand and specific model of your particular system. You must be sure upon choosing a board as a replacement because of the diversity of systems.
Major warnings your control board is dead
- System has a certain error code displayed on the front of the control board
- The system board has to be turned off and back on often for it to run correctly
- Heat or AC unit cannot operate properly
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Before you decide on buying or purchasing any Carrier FC4B replacement part, do your due diligence and cross-check the model number and also make a visual inspection in order to be sure the correct control board is the one being purchased. You do not have to replace the part all by yourself. Hire a pro in your area to do the job for you.
Feel free to download your manual for help.
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