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Carrier 38QRF018 Control Board
The control board is made to command the gas valve, the igniter, all the various sensors and the blower all together. Heating and cooling systems will not even run without the control board properly connected to the unit. You must be careful upon choosing a board as a replacement due to the many differences between particular brands and their models. The chosen circuit board should match the model number with both the brand and model of HVAC system.
Major warnings of a laboring control board
- The control board has to be powered down and back up quite often for the furnace or AC to kick on
- There is some sort of error code shown directly somewhere on the board
- The whole unit declines to function correctly
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If you decide on picking up or purchasing do your best and make sure of the correct model as well as make a visual comparison so that you are positive that the proper replacement control board is the one being purchased. HVAC pros may have higher labor rates than others so it may be beneficial to look around your area to find a good deal if money is of great importance to you.
Feel free to download your manual for help.
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