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Samsung UD18B1C2 Control Board
Your air handler will be unable to function without the main control board in connected and operational. The control board is constructed to command the gas valve, the ignition igniter, the flame sensor as well as the blower all at once. A control board that you have chosen should match the model number with both the brand and model of your heating and cooling system. You must be sure while picking a new replacement board due to the vast differences in certain brands.
Hints of an inadequate primary control board
- When turned on, there is some sort of error code lit up on the control board
- The system has to be powered down and back up rather frequently in order to run
- Entire unit does not initialize well
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