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Mitsubishi MSZ-FE12NA-8 Control Board
HVAC systems will not run at all without the board configured and seated properly. The control board is created to operate the gas valve, the igniter, all the sensors and the blower all at once. Be absolutely sure when you choose a replacement due to differences in systems. The control board picked should be compatible with both the make and model of the system you have installed.
Clues to watch for in a bad main circuit board
- The entire system has to be turned off and back on many times a day for the thermostat to kick in
- Could be an a certain error code appearing on the front of the control board
- Your HVAC unit is unable to work at all
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