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Carrier 48JZ060115300 Ignition Control Board
Another safety feature is the ignition control board, which has control over the gas valve, the ignition sequence and other safety devices built into the system. The ignition control board was always an important device that some companies have moved to be a major component of the main board in order to have better control over the system.
Important hints the ignition board will eventually need to be replaced
- The on-signal from the main thermostat never makes it to the main control board
- Every other thing in the HVAC system checks out all right
- Initial ignition sequence declines to begin even when the thermostat kicks it on
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