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Servicing/Maintenance
Overview
The operator panel is designed for low maintenance.
The tasks involved in maintaining the OP are the following:
Parts that you can fit or remove from the OP37/Pro on your own:
A description of how to replace the hard disk is enclosed with the spare part
called "hard disk".
The installation of optional upgrades – in other words, the AT expansion box,
AT cards and the direct key module – has already been described in Chapter 5.
Safety precautions
Observe the following precautions before opening the unit:
Warning
!
Caution
!
OP37/Pro Equipment Manual
Release 7/98
Regular cleaning of the keyboard overlay and of the display with a damp
cloth (water only)
Replacing the backup battery and
Replacing the display backlighting.
Floppy disk drive and
Hard disk
Repairs to the unit may only be carried out by suitably qualified and autho-
rized technical staff!
Opening of the unit by unauthorized persons and failure to follow the cor-
rect repair procedures can be highly dangerous.
The backlighting uses voltages > 1000 V. Make sure that the OP is discon-
nected from the power supply.
Opening of the unit by unauthorized persons and failure to follow the cor-
rect repair procedures can be highly dangerous.
Before carrying out any work on the opened unit make sure you have ob-
served the ESD guidelines in the Appendix.
6
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