Mitsubishi Electric Mr. Slim MSZ-FE09NA Service Manual page 36

OPERATING PROCEDURE
2. Removing the electronic control P.C. board, the
power monitor receiver P.C. board, i-see Sensor, SW
P.C. board and the terminal block
(1) Remove the panel (Refer to 1.) and the corner box.
(2) Remove the screw of the conduit cover. Remove the con-
duit cover and the indoor/outdoor connecting wire.
(Photo 2)
(3) Remove the sensor holder from the electrical cover.
(Photo 3)
(4) Remove the screw of the electrical cover, and then the
electrical cover. (Photo 3)
(5) Remove the ground wire connected to the indoor electronic
control P.C. board from the electrical box. (Photo 3)
(6) Remove the power monitor receiver P.C. board holder.
(Photo 4)
(7) Pull out the i-see Sensor from the power monitor receiver
P.C. board holder.
( ) Install the i-see Sensor in its former position when assem-
bling it. (Photo 5)
(8) Open the rear cover of the power monitor receiver P.C.
board holder and pull out the power monitor receiver P.C.
board.
(9) Open the sensor holder and pull out the SW P.C. board.
(10) Pull the electronic control P.C. board slightly toward you
from the electrical box, and disconnect TAB3 and all the
connectors on the electronic control P.C. board.
(11) Pull out the electronic control P.C. board from the electrical
box.
(12) Remove the ground wire connected to the heat exchanger
from the electrical box. (Photo 3)
(13) Unhook the catches of the electrical box, and pull out the
electrical box.
(14) Remove the screw of the terminal block cover, and then
the terminal block cover and the terminal block holder.
(Photo 2)
(15) Remove the terminal block by sliding it.
Photo 4
Holder
i-see Sensor
Catches of the
electrical box
Power monitor receiver
P.C. board holder
Photo 2
Screws of the
terminal block
cover
Photo 3
SW P.C. board
36
PHOTOS
Screw of the
conduit cover
Terminal block
cover
Conduit cover
Drain hose
Ground wire to the heat exchanger
Sensor holder
Screw of the
electrical cover
Sensor holder (inside)