BECKHOFF CP77xx - Manual (Page 15)

Operating Instructions
CP77xx 13
Servicing and maintenance
Please also refer to chapter General Notes .
Cleaning the Panel PC
First switch off the Panel
PC Switch off the Panel PC and all devices connected to it, so that keys
cannot be unintentionally actuated.
The front of the Panel PC can be cleaned with a soft, damp cleaning cloth.
Do not use any aggressive cleaning materials, thinners, scouring material
or hard objects that could cause scratches.
Servicing
The Panel PC is maintenance-free.
Replacement of the Battery
i
Note
A lithium battery is installed in the Panel PC to buffer data. This battery can
be replaced and is located beside the CF card (see chapter
Compact Flash
memory card ).
Article description: Battery 3V/ 225mAh 2032 coin cell.
Replacing the fluorescent lamps in the display
Since fluorescent lamps represent a consumable item in a display, they
must be replaced after a few years, depending on the number of operating
hours.
The fluorescent lamps of the 12 inch and 15 inch displays can be replaced
by a technically competent person.
i
Note
Replacement of the fluorescent lamps may require partial
disassembly of the display!
Replacement for the
12 inch display
First release the screw (2)
with a small Philips
screwdriver, then tilt the
fluorescent tubes with their
brackets (1) carefully
outwards.
After the exchange of the
fluorescent lamps the
installation takes place in
reverse order.
Replacement for the
15 inch display
First release the two screws
(1) and (2) with a small Philips
screwdriver, then carefully pull
out the fluorescent lamps in
direction of the arrows.
After the exchange of the
fluorescent lamps the
installation takes place in
reverse order.
2
1
1
2