User manual

30
Troubleshooting
By purchasing the laboratory power supply unit, you have acquired a product that is reliable and opera-
tionally safe.
Nevertheless, problems or faults may occur.
For this reason we want to describe how to troubleshoot potential malfunctions:
Please always observe the safety instructions!
Error Possible cause
The mains power Is the green power indicator (2) of the mains power supply lit?
supply does not work Check the mains voltage (you may also want to check the mains fuse
in the device or the line circuit breaker).
Connected consumers: Correct voltage set?
do not function. Is the polarity correct?
Is the DC output activated?
Check the technical data of the consumers.
The power supply unit does The entry lock is active.
not accept any entries. Deactivate the key lock function.
The status of the device software is undefined.
Turn the device off and then on again.
Regularly check the technical safety of the device e.g. for damaged housing etc.
Any other repair work must always be carried out by qualified experts familiar with
the hazards involved and with the relevant regulations. In the event of unauthorised
modifications or repairs on or in the device, the guarantee will lapse.

