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EN
Troubleshooting
General remarks The digital power sources are equipped with an intelligent safety system. This means
that there was no need for any melting-type fuses at all. After a possible malfunction or
error has been remedied, the power source can be put back into normal operation
again without any fuses having to be changed.
NOTE! If any other error message appears on the displays, which is not
described here, then the fault is one that can only be put right by a service
technician. Make a note of the error message shown in the display, and of the
serial number and configuration of the power source, and get in touch with our
after-sales service with a detailed desrciption of the error.
Displayed ser-
vice codes
WARNING! An electric shock can be fatal. Before opening up the machine
- Switch the mains switch to the - O - position
- Unplug machine from the mains
- Put up an easy-to-understand warning sign to stop anybody inadvertently
switching it back on again
- Using a suitable measuring instrument, check to make sure that electrical-
ly charged components (e.g. capacitors) have been discharged
CAUTION! Inadequate PE conductor connections can cause serious injury
and damage. The housing screws provide a suitable PE conductor connection
for grounding (earthing) the housing and must NOT be replaced by any other
screws that do not provide a reliable PE conductor connection.
tP1 | xxx, tP2 | xxx, tP3 | xxx
tP4 | xxx, tP5 | xxx, tP6 | xxx
(xxx stands for a temperature indication)
Cause: Over-temperature in primary circuit of power source
Remedy: Allow the power source to cool down
tS1 | xxx, tS2 | xxx, tS3 | xxx
(xxx stands for a temperature indication)
Cause: Over-temperature in secondary circuit of power source
Remedy: Allow the power source to cool down
tSt | xxx
(xxx stands for a temperature indication)
Cause: Over-temperature in the control circuit
Remedy: Allow the power source to cool down
Err | 049
Cause: Phase failure
Remedy: Check mains fuse protection, mains supply lead and mains plug
Err | 051
Cause: Mains undervoltage: Mains voltage has dropped below the tolerance range
(+/- 15%)
Remedy: Check mains voltage
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