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LG LMAN090CNS Control Board
The LG LMAN090CNS control board is constructed to regulate everything including the gas valve, the ignition igniter, most sensors and the blower all together. The HVAC system will be unable to function lest the circuit board is hooked up and is correctly configured. The board you choose should have a replacement part number that matches both the brand and specific model of your heating and cooling system. You must be careful upon choosing a board as a replacement due to variances between brand and air handler types.
Signals your control board needs replacing ASAP
- The power to the system has to be reset quite often for it to work
- AC unit or heating unit cannot start at all
- When turned on, there is flashing code revealed on the control board
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