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Carrier 38HDL036 Ignition Control Board
An ignition control board regulates gas flow, the ignition sequence and the flame sensing circuits. It has been a very important circuit board that is usually a major component of the main board in order to have better control over the system.
Key clues of a barely functioning major ignition board
- Any other device within the furnace is looked at and turns out to be in good health
- The main ignition cycle can not initiate then the thermostat send a signal
- The electrical signal from the home thermostat never turns up at the control board
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