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Mitsubishi MSY-A24NA Control Board
The Mitsubishi MSY-A24NA control board is made to command the gas valve, the igniter, all the sensors as well as the blower all at once. The HVAC system will be unable to run without the control board in place and connected. You must do some research when you choose a replacement due to the many differences between HVAC systems. The correct control board will have to be compatible with both the brand and model of your heating and cooling system.
Warnings of a poorly working control board
- The system has to be turned off and back on rather frequently for it to run
- System has some sort of code randomly appearing on the front of the control board
- The entire system is not able to run correctly
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