Troubleshooting - Fronius DPS 500 Operating Instructions Manual

Troubleshooting

Safety The digital power sources are equipped with an intelligent safety system - which has made
it possible to dispense with melting-type fuses entirely. 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.
Danger of electrical shock.
An electric shock can be fatal. Before opening the device
► Turn the mains switch to the "O" position
► Unplug the device from the mains
► Ensure the device cannot be switched back on
► Using a suitable measuring instrument, check to make sure that electrically charged
Danger from inadequate ground conductor connection.
An inadequate ground conductor connection can cause serious injury or damage.
► The housing screws provide a suitable ground conductor connection for earthing the
If any error message that is not described here appears on the displays, 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, giving them a detailed description of the error.
Power source - Power source does not function
troubleshooting
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Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
"Power source ON" indicator is lit up on Power source 1 (the machine with the in-
terface).
The "Robot interface" indicator is dark
Cause:
Remedy:
Cause:
Remedy:
WARNING!
components (e.g. capacitors) have been discharged
WARNING!
housing. The housing screws must NOT be replaced by any other screws that do not
provide a reliable ground conductor connection.
There is a break in the mains lead; the mains plug is not plugged in
Inspect the mains supply lead; if necessary, plug in the mains plug
Mains outlet socket or plug is faulty
Change faulty components
Mains fuse is faulty
Change the mains fuse
Interruption in link to interface
Inspect the connecting lead and plug between the machine and the interface
Interface is faulty
Replace the interface or contact After-Sales Service.
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