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International Comfort Products GPSM48S120F Ignition Control Board
The purpose of the ignition control board is that it has control over the gas valve, the ignition sequence as well as other safety devices. The ignition control board was always an important safety feature that some manufacturers have decided to blend to be a part of the main control board for safety reasons.
Major indications poorly running ignition control board
- Every other thing within the heating and AC system is inspected and seems to be in fine condition
- Initial sequence will not kick in then the thermostat send a signal
- The initial signal from the thermostat does not reach the main control board
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