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International Comfort Products GPSM48L120F Control Board
The control board is made to oversee the gas valve, the igniter, the flame sensor as well as the air circulator all in one unit. Your air handler will be unable to activate without the control board in connected and operational. You must do some research when you are deciding on a replacement due to the many differences between certain brands. Any control board you choose must be compatible with both the brand and specific model of the unit in question.
Simple signals your control board is failing
- Could be an a fault code indicated directly on the board
- Power to the circuit board has to be reset all the time for it to kick in
- The whole unit does not run whatsoever
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