User manual

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1. Switch off the power unit and remove all the
connection cables and the mains plug from the
device.
2. Lever the rear fuse holder (11) with a suitable
screwdriver from the bracket.
3. Replacethedefectivefusewithanewne-wirefuseofthesametypeandratedcurrent.
The fuse value is listed in the chapter on “Technical Data”.
4. Press the fuse into the fuse holder.
Fuses are replacement parts and not covered by the warranty/guarantee.
20. TROUBLESHOOTING
By purchasing the laboratory power unit, you have acquired a product that is reliable and
operationally safe.
Nevertheless, problems or errors may occur.
For this reason we want to describe how to troubleshoot potential malfunctions:
Always follow the safety instructions!
Error Possible cause
The power unit cannot be
switched on.
• Does the indicator C.V. or C.C. light up?
• Check the mains voltage (you may also want to check
the mains fuse in the device or the line circuit breaker).
Connected consumer devices do
not work.
• Is the voltage set correctly?
• Is the polarity correct?
• Check the technical data of the consumers.