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Carrier 58MXA040F14112 Ignition Control Board
The main reason to have an ignition control board is that it checks out the gas valve, the ignition sequence and some other sensors. It is an important safety device that is now usually a vital part of the main control board instead of its own individual board.
Major signs to watch for in a failing main ignition board
- Every other problem connected to the system is looked at and turns out to be OK
- The ignition cycle is unwilling to start even when called upon
- Signal from remote thermostat never makes it to the Carrier control board
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