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Carrier 38BYG042 Control Board
The control board is created to direct everything including the gas valve, the igniter, the flame sensor and the blower all in one unit. HVAC systems will not function without this vital piece of hardware is in place and connected. The control board picked should be compatible with both the make and model of the unit in question. Be very careful when you choose a replacement because of the wide variety of particular brands and their models.
What are the indications that my main board needs replacing?
- The system has to be powered down and back up frequently for the thermostat to kick in
- Entire unit does not operate period
- When turned on, there is a flashing error code indicated directly on the front of the control board
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