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Disposal
Old electronic devices are recyclable and should not be disposed of in the household was-
te. At the end of its service life, dispose of the product at the community collection point
according to the relevant statutory regulations. It is prohibited to dispose of the device in
the household waste.
Maintenance and Cleaning
Apart from an occasional cleaning or exchanging the fuse, this laboratory power unit is maintenance-
free. Use a clean, lint-free, antistatic and dry cloth to clean the device. Do not use any abrasive or che-
mical agents or detergents containing solvents.
Exchanging the Primary Fuse
If it is no longer possible to switch on the laboratory power unit, the primary mains fuse (9) is probably
defective.
Proceed as follows to replace the mains fuse:
Switch off the power unit and remove all the connection cables and the mains plug from the device.
Screw the fuse insert out of the holder with suitable screwdriver.
Replace the defective fuse with a new fine-wire fuse (5 x 20 mm) of the same type and rated current.
The fuse value is listed in the technical data.
Screw the fuse insert into the fuse holder.