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Carrier 39L Control Board
Most systems will not run lest the circuit board is accurately installed and configured. The control board is created to control the gas valve, the ignition igniter, all the various sensors as well as the blower all at once. You must do some research upon choosing a board as a replacement due to the vast differences in HVAC systems. The board you choose should have a replacement part number that matches both the brand and model of your Carrier 39L unit.
How do you know when your primary control board is not working right?
- Could be an a type of code lit up somewhere on the circuit board
- The furnace or AC ceases to start period
- Everything has to be reset rather frequently for the thermostat to kick in
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Before you decide on buying or purchasing do your best and cross-check the model number as well as make a visual inspection so that you are positive that the correct replacement control board is being ordered. You do not have to install the part by yourself. Find a professional in your town or city to pay to install it for you.
Feel free to download your manual for help.
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