USER MANUAL 1.10 | DC1000 DIALOG-CONTROLLER
Berghof Automation GmbH | Harretstrasse 1 | 72800 Eningen | www.berghof.com
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5.
Maintenance
Maintenance tasks
Maintenance tasks on the Dialog-Controller, particularly those tasks which require opening the housing, may
only be performed by qualified personnel! Before beginning any maintenance tasks, please read the chapter,
“General Information”, in particular, the section, “Basic Safety Measures”.
WARNING
Never open housing covers with the power switched on!
Potential hazard due to contact with live components.
This can result in death, serious injury or extensive property damage.
Only open the housing cover once the Dialog-Controller has been safely dis-
connected from the power supply.
HAZARDOUS
VOLTAGE
Maintenance work to the Dialog-Controller can result in damage:
If metal objects such as screws, nuts, tools or other conducting objects fall on the PCB;
If connecting cables are loosened, removed or incorrectly reconnected.
After maintenance
Before returning the Dialog-Controller to service, check to be sure that:
There are no foreign objects in the Controller;
There is a battery in the battery slot;
All connections are correct and secure;
The ground wire (PE) is properly connected.
NOTICE
Be sure all covers on the Dialog-Controller are closed before returning
the unit to service!