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Mitsubishi MSZ-A15NA Control Board
HVAC systems will not run lest the main control board is in place and connected. The control board is designed to regulate everything including the gas valve, the ignition igniter, all the various sensors as well as the air circulator all in one unit. It is imperative that you select wisely while picking a new replacement board because of the wide variety of particular brands and their models. The control board picked should have a replacement part number that matches both the brand and model of air handler system you have.
How do you know if your primary control board is almost dead?
- The entire system refuses to go correctly
- There is a fault code suddenly appearing on the control board
- The entire system needs to be reset quite frequently for everything to run again
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