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EN
Troubleshooting
General The power sources are equipped with an intelligent safety system. This means that it has
been possible to dispense with melting-type fuses entirely. Melting-type fuses therefore no
longer need to be replaced. After a possible malfunction has been remedied, the power
source is ready for use again.
Safety
WARNING!
Work that is carried out incorrectly may result in serious injury or damage to prop-
erty.
► The activities described below must only be carried out by trained and qualified per-
sonnel.
► Observe the safety rules in the power source Operating Instructions.
WARNING!
An electric shock can be fatal.
Before opening the unit
► Turn the mains switch to the "O" position
► Unplug the device from the mains
► Put up an easy-to-understand warning sign to stop anybody inadvertently switching it
back on again
► Using a suitable measuring device, check to make sure that electrically charged com-
ponents (e.g. capacitors) have discharged
WARNING!
An inadequate ground conductor connection can cause serious injury or damage.
The housing screws provide a suitable ground conductor connection for earthing the hous-
ing.
► The housing screws must NOT be replaced by any other screws that do not provide a
reliable ground conductor connection.
Power source -
troubleshooting
Make a note of the serial number and configuration of the device and contact our After-
Sales Service team with a detailed description of the error, if
- errors occur that are not listed below
- the troubleshooting measures listed are unsuccessful
Over-temperature LED lights up
Cause: Over-temperature in control circuit
Remedy: Leave power source to cool
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