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Carrier 58MTA120 Control Board
Your system definitely will not run at all without the main control board properly connected to the unit. The Carrier 58MTA120 control board is designed to regulate everything including the gas valve, the ignition igniter, most sensors and the blower all at once. A control board that you have chosen will need to pair with the part number from the brand and the model of the unit in question. You must do some research upon choosing a board as a replacement because of the wide variety of brands, models and types of systems.
General warnings of an unhealthy main circuit board
- AC unit or heating unit is unable to initialize correctly
- Could be an numbered code shown somewhere on the board
- Everything has to be turned off and back on rather frequently in order to operate
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