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Carrier 38HD Ignition Control Board
The ignition control board is a safety device that oversees the gas valve, the igniter and other important devices. It has always been a vital electronic safety board that some manufacturers have decided to blend to be a part of the main control board instead of a separate board.
Major clues your main ignition board should be replaced
- Initial communication from the remote thermostat does not get to the Carrier control board
- HVAC ignition cycle fails to kick in no matter what
- Everything else within the furnace is looked at and turns out to be okay
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If you are going to be buying or ordering, do your due diligence and make sure of the model number and also make a visual comparison in order to be sure the right ignition control board is the one being purchased. Use caution when you install any HVAC part. If you are not exactly sure of what to do next call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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