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Carrier 58DH Ignition Control Board
The main ignition control board controls gas flow, the ignition sequence and some other sensors. The ignition control board was always an important safety device that some companies have moved to be a standard part of the main board instead of having two separate boards.
What warnings should I watch out for to know if my chief ignition control board is not working right?
- Ignition cycle is unable to initiate then the thermostat send a signal
- Signal from home thermostat never reaches the main control board
- Every other device in the HVAC system is inspected and turns out to be a-OK
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