3 Servicing
Electrical components
3.4.3 Replacement of lamps and push buttons
Lamps and push buttons are placed in the left door of the E-box. To replace anyone of the open the E-box until get
access to the left door and proceed as follows:
Replacement of the lamps
1 Remove the wirings connected to the lamp
holder using a Phillips screwdriver.
2 Remove the nut fixing the lamp holder to the
E-box door.
3 Replace the lamp and proceed to assembly in
reverse order than removing
Replacement of the push buttons
1 Remove the wirings connected to the push
button using a Phillips screwdriver.
2 Remove the nut fixing the push button holder
to the E-box door.
3 Replace the push button and proceed to
assembly in reverse order than removing
3.4.4 Access to electrical components
PCB's are placed on 2 levels into the E-box. By simply opening the left door there is the PCBd. In a second level, there
are PCBa and PCBc. Also, there are most of the main electric power and control electric components. The steps to
access to those components and how they can be removed are explained below:
First level components
Electric
transformers
PCBd
Connection
board
79
SMGB0120 rev.0 - 11/2017
Nut
Nut
Control
connectors
Compressor power
connection
Phillips screws
(x2)
Phillips screws
(x2)
Fuse puller tool
Fuses
(PFC)
Main
switch
Power
supply
3