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International Comfort Products GPSM30K080F Ignition Control Board
The purpose of the ignition control board is that it has control over the main gas intake valve, the ignition timing and the flame sensing circuits. The ignition control board was always an important electronic circuit board that is usually a standard part of the main board instead of having two separate boards.
Clues of a defective main ignition board
- The initial signal from the primary thermostat does not get to the control board
- Ignition sequence refuses to commence when called upon
- Everything else within the furnace checks out okay
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