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International Comfort Products NDN5075BFB1 Ignition Control Board
The main reason to have an ignition control board is that it may control gas flow, the ignition sequence and the flame sensing circuits. The ignition control board was always an important circuit board that some companies have moved to be a piece of the main circuit board instead of its own individual board.
Clues of a laboring major ignition board
- The initial signal from the thermostat gets lost before it makes it to the main control board
- Every other problem in the system is inspected and seems to be okay
- The ignition cycle declines to fire up when it is supposed to
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