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Troubleshooting
General The power sources are equipped with an intelligent safety system, meaning it has been
possible to dispense with nearly all fuses. After a possible malfunction has been remedied,
the power source can be used again as normal.
Possible malfunctions, warning notices or status codes are shown on the display as plain
text dialogues.
Safety
WARNING!
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
components (e.g. capacitors) have been 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
Power source does not function
Mains switch is on, but indicators are not lit up
Cause: There is a break in the mains lead; the mains plug is not plugged in
Remedy: Check the mains lead, ensure that the mains plug is plugged in
Cause: Mains socket or mains plug faulty
Remedy: Replace faulty parts
Cause: Mains fuse protection
Remedy: Change the mains fuse
Cause: Short circuit on the 24 V supply of SpeedNet connection socket or external
sensor
Remedy: Unplug connected components
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