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Carrier 48HJF008 Ignition Control Board
Another safety feature is the ignition control board, which may control gas flow, the ignition sequence and the flame sensing circuits. It has always been a vital device that some companies have moved to be a major component of the main board for safety reasons.
Symptoms the chief ignition control board is failing
- Any other device in the system is inspected and seems to be all right
- The on-signal from the home thermostat does not show up at the main board
- Heating and cooling system does not launch even though it is supposed to
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