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Carrier 38YXA036 Ignition Control Board
An ignition control board checks out the gas valve, the ignition sequence as well as other safety devices. The ignition control board was always an important device that, over the years, has merged to become a major component of the main board instead of a separate board.
Warnings the major ignition board needs replacing
- The main ignition cycle does not fire up even when called upon
- Every other thing within the heating and AC system is looked at and turns out to be just fine
- Signal from remote thermostat never moves to the main control board
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