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Samsung MH035FECA Control Board
The control board is constructed to command the gas valve, the ignition igniter, all the various sensors and the blower all at once. The HVAC system will be unable to operate lest this board is installed as it should be according to the manufacturer. You must be sure when you choose a control board because of the wide variety of brand and air handler types. A control board that you have chosen is supposed to have a part number that matches the brand and the model of your particular system.
Major signs of a defective main circuit board
- Could be an some sort of error code randomly appearing on the board
- Everything has to be powered down and back up more often than not for it to run correctly
- The HVAC system is unable to do anything well
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