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Troubleshooting
General The digital power sources are equipped with an intelligent safety system. This means that
apart from the fuse for the coolant pump, it has been possible to dispense with fuses en-
tirely. 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 replaced.
Safety
Displayed service
codes
If any error message that is not described here appears on the displays, then the fault can
only be fixed by After-Sales Service. Make a note of the error message shown in the dis-
play and of the serial number and configuration of the power source, and contact our After-
Sales Service team with a detailed description of the error.
tP1 | xxx
Note: xxx stands for a temperature value
Cause: Overtemperature in the primary circuit of the power source
Remedy: Allow power source to cool down
tP2 | xxx
Note: xxx stands for a temperature value
Cause: Overtemperature in the primary circuit of the power source
Remedy: Allow power source to cool down
WARNING! Work that is carried out incorrectly can cause serious injury or dam-
age. All the work described below must only be carried out by trained and quali-
fied personnel. Do not carry out any of the work described below until you have
fully read and understood the following documents:
- this document
- all documents relating to the system components, especially the safety rules
WARNING! An electric shock can be fatal. Before starting the work described be-
low:
- turn the power source mains switch to the "O" position
- disconnect the power source from the mains
- ensure that the power source remains disconnected from the mains until all
work has been completed
After opening the device, use a suitable measuring instrument to check that elec-
trically charged components (e.g. capacitors) have been discharged.
WARNING! An inadequate ground conductor connection can cause serious inju-
ry or damage. The housing screws provide a suitable ground conductor connec-
tion for earthing the housing and must NOT be replaced by any other screws that
do not provide a reliable ground conductor connection.
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