Mitsubishi Electric MSZ-FD25VA Service Manual page 37

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 V.A. clamp. Remove the V.A.
clamp and then the indoor/outdoor connecting wire. (See
Photo 2)
(3) Remove the sensor holder from the electrical cover. (See
Photo 3)
(4) Remove the screw of the electrical cover, and then the
electrical cover. (See Photo 3)
(5) Remove the earth wire connected to the indoor electronic
control P.C. board from the electrical box. (See Photo 3.)
(6) Remove the power monitor receiver P.C. board holder.
(See Photo 4.)
(7) Pull out the i-see Sensor from the power monitor receiver
P.C. board holder.
( w ) Install the i-see Sensor in its former position when assem-
bling it.(Refer to 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 earth wire connected to the heat exchanger
from the electrical box. (See 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.
(See Photo 3)
(15) Remove the terminal block by sliding it.
Photo 4
Plasma power P.C. board holder
i-see Sensor holder
Power monitor receiver
P.C. board holder
Photo 2
Drain hose
Photo 3
SW P.C. board
37
PHOTOS
Screws of the
terminal block
cover
Screw of the V.A. clamp
Earth wire
Sensor holder
Screw of the
electrical cover
Sensor holder (inside)