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Carrier 38CQ Control Board
Your system definitely will not be able to function without the board in its proper place and configured for your unit. The Carrier 38CQ control board is made to command everything including the gas valve, the ignition igniter, the flame sensor as well as the blower all at once. Be very careful while searching to pick up a replacement control board because of the wide variety of particular brands and their models. A matching board is supposed to have a part number that matches both the brand and model of the system you have installed.
Simple indications of a poorly performing primary control board
- System is not able to initialize whatsoever
- The HVAC system has to be turned off and back on quite frequently for the thermostat to kick in
- Could be an flashing code revealed on the front of the control board
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Before you decide on buying or ordering any Carrier 38CQ replacement part, do your due diligence and double check the correct model as well as make a visual comparison so that you are positive that the correct control board is being ordered. There is no rule that says you have to install it yourself. Find a professional locally to do it for you.
Feel free to download your manual for help.
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