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International Comfort Products HMH Ignition Control Board
The purpose of the ignition control board is that it may control the main gas intake valve, the ignition timing and all the flame sensing devices. It has been a very important safety device that has now become a part of the main control board instead of its own individual board.
Clues to watch for in a bad chief ignition control board
- Ignition sequence is unable to launch even when called upon
- Any other potential problem in the heating and cooling system checks out swell
- Communication from the main thermostat never makes contact with the main control board
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