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Carrier 50GL Ignition Control Board
The purpose of the ignition control board is that it controls the natural gas, the igniter and the flame sensing circuits. It is an important safety device that, in most cases, has become a vital part of the main control board for safety reasons.
Key symptoms of a laboring main ignition board
- Signal from home thermostat never moves to the main control board
- Initial ignition sequence fails to initiate at all
- Every other potential issue within the furnace is looked at and turns out to be in good health
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