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Haier HR36D2VAR Ignition Control Board
The purpose of the ignition control board is that it checks out the natural gas, the ignition timing and all the flame sensing devices. It has always been a vital electronic safety board that is now usually a piece of the main circuit board instead of a separate board.
Major signs poorly running ignition control board
- Any other potential problem within the furnace is inspected and seems to be OK
- Communication from the home thermostat does not reach the main control board
- Heating and cooling system is unwilling to launch when called upon
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