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Carrier 30GB Control Board
The Carrier 30GB control board is constructed to command everything including the gas valve, the ignition igniter, most sensors as well as the air circulator all together. The HVAC system will be unable to run without the board hooked up and is correctly configured. You should always be careful while choosing a new control board because of the wide variety of systems. A control board that you have chosen should be compatible with both the brand and specific model of furnace or air handler you have.
What happens when my main circuit board is about to stop working?
- The AC or furnace is not able to run period
- System has a flashing error code indicated directly somewhere on the circuit board
- The system has to be turned off and back on habitually for it to run
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