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Carrier FV4BNF002000 Ignition Control Board
The purpose of the ignition control board is that it has control over the natural gas, the ignition timing and a few other devices. It has been a very important electronic safety board that, in most cases, has become a part of the main control board in order to have better control over the system.
Major indications of a bad ignition board
- The main ignition cycle does not begin no matter what
- Any other problem within the furnace is inspected and turns out to be just fine
- The electrical signal from the remote thermostat never reaches the Carrier control board
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