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Carrier 38EYA048 Ignition Control Board
An ignition control board controls the main gas intake valve, the igniter and other important devices. It has always been a vital electronic circuit board that some companies have moved to be a piece of the main circuit board instead of a separate board.
Signs the major ignition board will not live much longer
- Any other problem in the heating and cooling system is inspected and turns out to be swell
- The electrical signal from the main thermostat never gets to the main board
- Ignition sequence is unable to kick in even though it is supposed to
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