Downloadable official manufacturer Systems Manuals for Mitsubishi Electric Air Conditioners.
Refer to the user guides for help troubleshoot your air conditioner and using your controller.
While there are a few models of Split Systems and Ducted Reverse Cycle Air Conditioners, the controllers are generally standard, so before checking your systems, model, have a look at the controller image in the manual and see if yours is the same.
AP Series Split Systems
