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Friedrich MW12C1H Ignition Control Board
The main ignition control board keeps an eye on gas flow, the igniter and all the flame sensing devices. The ignition control board was always an important device that, in most cases, has become a vital part of the main control board for the sake of being more efficient.
Signals of a deteriorating ignition board
- Signal from thermostat never gets to the main control board
- Any other problem in the HVAC system is looked at and turns out to be good
- HVAC ignition system does not fire up when called upon
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