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Carrier 38YCC030 Control Board
The control board is constructed to command everything including the gas valve, the igniter, most sensors as well as the air circulator all at once. The system will cease to be able to function unless this important circuit board is in connected and operational. Be absolutely sure upon choosing a board as a replacement because of the diversity of particular brands and their models. The selected board will have to be compatible with both the brand and specific model of HVAC system.
How can I tell if my main board is almost dead?
- When turned on, there is a numbered error code indicated directly on the front of the control board
- The board needs to be reset many times a week for it to work
- The AC or furnace ceases to do anything period
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