Mitsubishi Electric MSZ-FA25VA Service Manual page 34

OPERATING PROCEDURE
7. Removing the plasma power P.C. board
(1) Remove the horizontal vane, the panel (Refer to 1.) and
the corner box.
(2) Remove the switch holder and the electrical cover.
(Refer to 3.)
(3) Disconnect the connector of the front panel driving motor
<CN1U1> from the electronic control P.C. board.
(4) Remove the front panel driving motor.
(5) Remove the screw of the plasma element holder, and remove
the plasma element holder from the heat exchanger.
(See Photo 11.)
(6) Unhook all the catches of plasma unit cover and remove
the plasma unit cover. (See Photo 12.)
(7) Remove the terminals with locking mechanism connected
to the plasma power P.C. board and the safety device
(Plasma unit). (See Photo 13.)
(8) Remove the plasma electrical box from the plasma element
holder.
(9) Remove the screw fixing the plasma electrical box, and
open the plasma electrical box then pull out the plasma
power P.C. board from the plasma electrical box.
(See Photo 13.)
Photo 11
Screw of the plasma
element holder
Photo 12
Photo 13
Safety device
(Plasma unit)
34
PHOTOS
Front panel
driving motor
Plasma unit cover
Terminal
Screw of
the plasma
Terminal
electrical box
Terminal Plasma
power
P.C. board
Terminal