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Haier HPRD12XH7 Ignition Control Board
The ignition control board is a safety device that has control over the gas valve, the ignition timing and other safety devices built into the system. It is an important electronic safety board that, over the years, has merged to become a major component of the main board instead of its own individual board.
Key clues of a poorly working main ignition board
- Initial sequence does not fire up no matter what
- Communication from the thermostat never makes it to the main board
- Any other potential problem throughout the system is inspected and seems to be flawless
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