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Carrier 50XZ Ignition Control Board
An ignition control board keeps an eye on the main gas intake valve, the igniter and all the flame sensing devices. It has been a very important device that has now become a major component of the main board instead of its own individual board.
Clues the ignition board is going to die
- Everything else attached to the system is researched and comes to be a-OK
- Heating and cooling system is unwilling to start even though it is supposed to
- The electrical signal from the primary thermostat never makes contact with the main board
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