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Carrier 58MXA040 Control Board
The Carrier 58MXA040 control board is designed to command the gas valve, the igniter, all the various sensors as well as the air circulator all at once. It is impossible for your furnace or air handler to even operate whatsoever without the board properly connected to the unit. The board you choose will need to be a match with your existing board and be compatible with both the brand and model of the unit you have installed. Be absolutely sure when you decide to replace your control board because of the many variances of models and types.
What symptoms are present when the main board has a need to be replaced?
- System has a strange code showing up somewhere on the board
- The AC or furnace is unwilling to start properly
- The entire system has to be powered down and back up frequently in order to run
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