Instructions

8 Maintenance
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akytec GmbH - Vahrenwalder Str. 269 A - 30179 Hannover - Germany Tel.: [phone] - www.akytec.de
8 Maintenance
8.1 General instructions
The maintenance includes:
– cleaning of the housing and terminal blocks from dust, dirt and derbis
– checking the device fastening
– checking the wiring (connecting leads, fastenings, mechanical damage)
ACHTUNG
The device should be cleaned with a damp cloth only. No abrasives or solvent-
containing cleaners may be used. During maintenance, observe the safety instructions
in the section "Wiring"
8.2 Battery replacement
HINWEIS
The supply voltage may remain on when replacing the battery. This will prevent the real-time
clock reset.
To replace the RTC battery:
1. Open the front cover (Fig. 8.2).
2. Using a screwdriver, pick up the battery on the right and remove it from the device.
3. Observing polarity, insert a new battery.
4. Close the cover.
Abb. 8.1 Battery replacement