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Friedrich VHA09K Ignition Control Board
The main reason to have an ignition control board is that it may control the gas valve, the ignition sequence and a few other devices. It is an important electronic circuit board that some manufacturers have decided to blend to be a part of the main control board for the sake of being more efficient.
Important signs your Friedrich ignition control board is dying
- The electrical signal from the thermostat does not turn up at the main board
- Initial sequence declines to launch when it receives a proper signal
- Every other device in the heating and cooling system checked out to be fine
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