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Trane TCP060F100AB Ignition Control Board
The main reason to have an ignition control board is that it controls the gas valve, the igniter and the flame sensing circuits. It has always been a vital electronic circuit board that some companies have moved to be a major component of the main board instead of a separate board.
Signals to watch for in a failing main ignition board
- Heating and cooling system is unable to kick in when it receives a proper signal
- Every other potential issue within the heating and AC system is looked at and turns out to be problem-free
- Signal from thermostat never moves to the main board
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