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Haier HR18D2VAR Ignition Control Board
Another safety feature is the ignition control board, which manages the gas valve, the ignition sequence and other important devices. The ignition control board was always an important circuit board that some companies have moved to be a standard part of the main board for enhanced safety.
Indications your main ignition board needs a replacement ASAP
- The initial signal from the home thermostat never makes contact with the Haier control board
- Initial sequence will not launch when called upon
- Any other potential problem in the heating and cooling system checks out problem-free
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