USER HANDBOOK 2.0 | DC20XX, ET20XX, ECC21XX SLIM
Berghof Automation GmbH | Harretstrasse 1 | 72800 Eningen | www.berghof.com
Dialog-Controller-DC20XX_EN.docx
7. Maintenance/upkeep
Repairs and corrective maintenance may only be carried out by the manufacturer or authorised customer
service centres.
7.1. Maintenance
Uncontrolled and unpredictable operational behaviour!
Failures or malfunctions may result in uncontrolled and unpredictable
operational behaviour.
Do not insert, connect, undo or touch any connections whilst the device is
in operation.
Before starting any work on the device, switch off all power feeds,
including those to any connected peripherals (sensors and programmable
devices etc. with independent power supplies).
If the device is used correctly it should not require maintenance.
Make sure all the ventilation holes are kept free of obstructions.
Do not open the device. If work is required on the device necessary contact customer service.
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