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Carrier 58MXA100 Control Board
The control board is designed to operate the gas valve, the igniter, all the various sensors as well as the blower all in one unit. The entire heating and cooling system will not run lest the circuit board is in place and connected. It is imperative that you select wisely while picking a new replacement board due to so many small differences in HVAC systems. The chosen circuit board must have a matching part number consistent with both the brand and model of your particular system.
Subtle cues of a declining Carrier control board
- Power to the control board needs to be reset more often than not for it to kick in
- AC or heating system cannot work period
- There seems to be lit up error code appearing on the control board
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