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Carrier 50TFQ012 Control Board
Your system definitely will not run at all without this vital piece of hardware is installed. The control board is constructed to control the gas valve, the ignition igniter, most sensors and the blower all in one unit. You must do some research when choosing a control board due to variances between heating and cooling systems. The control board picked must have a matching part number consistent with both the brand and model of your particular system.
Major warnings your main board needs a replacement ASAP
- Entire unit is unable to start whatsoever
- There is some sort of code shown directly on the control board
- The system has to be reset all the time for everything to run again
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