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Carrier 50XL-A48 Ignition Control Board
The main reason to have an ignition control board is that it has control over the natural gas, the ignition timing and other important devices. It is an important safety device that is usually a standard part of the main board for enhanced safety.
Key symptoms of a deteriorating main ignition board
- Initial sequence refuses to begin even when the thermostat kicks it on
- The on-signal from the thermostat never gets to the control board
- Every other problem attached to the system is inspected and turns out to be just fine
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