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Samsung UH035CAV Ignition Control Board
The ignition control board is a safety device that checks the main gas intake valve, the igniter and some other sensors. It has always been a vital circuit board that has now become a major component of the main board instead of its own individual board.
Some warnings of a weak major ignition board
- HVAC ignition cycle does not kick in no matter what
- Communication from the home thermostat does not make it to the main board
- Any other device attached to the system checked out to be in good health
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