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International Comfort Products NDN5125BKC2 Ignition Control Board
The purpose of the ignition control board is that it manages gas intake, the igniter and the flame sensing circuits. It has always been a vital device that has now become a piece of the main circuit board instead of having two separate boards.
What symptoms are present when the chief ignition control board is almost dead?
- Any other device in the HVAC system is inspected and seems to be okay
- The primary ignition sequence will not begin when it receives a proper signal
- Signal from main thermostat does not turn up at the main board
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