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International Comfort Products GPSM48K120F Control Board
Most systems will not operate lest the circuit board is installed as it should be according to the manufacturer. The control board is made to command everything including the gas valve, the ignition igniter, most sensors and the blower all together. A control board that you have chosen will need to be a match with your existing board and be compatible with both the brand and model of your particular system. You must be sure when you choose a replacement due to so many small differences in heating and cooling systems.
Major signs of a weakening main circuit board
- When turned on, there is some sort of error code shown on the control board
- The control board has to be reset many times a day for the heating or cooling to kick in
- Entire unit declines to run whatsoever
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