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Carrier KFCEH1801F20 Ignition Control Board
The main ignition control board oversees the gas valve, the igniter and some other sensors. It is an important safety feature that, over the years, has merged to become a piece of the main circuit board instead of having two separate boards.
Major signs of a barely functioning chief ignition control board
- Every other potential issue in the HVAC system is inspected and turns out to be flawless
- The ignition system does not initiate even when called upon
- The electrical signal from the home thermostat gets lost before it makes it to the Carrier control board
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