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Carrier 50XT-A30 Control Board
The control board is created to direct the gas valve, the igniter, the flame sensor and the blower all in one unit. The system will cease to activate without this vital piece of hardware is in place and connected. Be absolutely sure when you are choosing a replacement board due to the vast differences in systems. The brand of board you choose should match the model number with both the brand and specific model of the unit you have installed.
Major indications your primary control board is failing
- There may be some sort of code showing up on the front of the control board
- The furnace or AC does not function correctly
- The system has to be reset quite frequently for it to kick in
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