Mitsubishi HVAC Unit MS-A12WA

Ensure the following parts are removed

Remove the screw of Conduit cover

Remove the indoor/outdoor connecting wire

Horizontal Vane and Panel Removal

Remove the horizontal vane and the panel

Horizontal Vane Motor Unit Removal

Remove the screws of the horizontal vane motor unit

Pull out the horizontal vane motor unit

Disconnect the connector from the horizontal vane motor unit

Remove the horizontal vane, the panel, and the corner box.

Remove the screw of the conduit cover, and conduit cover.

Remove the indoor/outdoor connecting wire.

Remove the switch holder from the electrical cover.

Electrical Cover and Ground Wire Removal

Remove the screw of the electrical cover, and then the electrical cover.

Remove the ground wire connected to the indoor electronic control P.C. board from the electrical box.

Remove the horizontal vane, the panel, and the corner box.

Remove the switch holder and the electrical box.

Pull out the drain hose from the nozzle assembly.

Remove the screws fixing the motor bed.

Loosen the screw fixing the line flow fan.

Ensure the air conditioning unit is turned off before starting the procedure.

Check the AIR CLEANING FILTER for visible dirt or clogging.

Is the AIR CLEANING FILTER visibly dirty?

Remove the AIR CLEANING FILTER from the unit carefully without detaching it from the frame.

Soak the AIR CLEANING FILTER in lukewarm water.

Rinse the AIR CLEANING FILTER delicately while keeping it in the frame.