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Carrier 38HDC018 Control Board
The Carrier 38HDC018 control board is constructed to operate the gas valve, the ignition igniter, most sensors as well as the blower all in one unit. Heating and cooling systems will not even be able to function without the control board hooked up and is correctly configured. It is of utmost importance when you are deciding on a replacement due to the many differences between brand and air handler types. The control board picked should be compatible with the brand and the model of your heating and cooling system.
Major symptoms your primary control board is in need of replacing
- The whole unit refuses to run period
- When turned on, there is a strange code showing up somewhere on the circuit board
- The whole system has to be reset quite frequently for the furnace or AC to kick on
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