50
Troubleshooting
Safety
WARNING!
Work that is carried out incorrectly can cause serious injury or damage.
All the work described below must only be carried out by trained and qualified personnel.
Do not carry out any of the work described below until you have fully read and understood
the following documents:
► this document
► all the operating instructions for the system components, especially the safety rules
WARNING!
An electric shock can be fatal.
Before starting the work described below:
► 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
WARNING!
Improper handling can cause injuries or damage.
Do not open the power source.
The power source may only be opened by a Fronius service engineer.
If you need a replacement battery, hand the power source over to a Fronius Service Part-
ner.
Indicated errors
Overtemperature
"hot" appears on the display, the temperature indicator lights up
+
Cause: Device is too hot
Remedy: Check/reduce ambient temperature, allow power source to cool down
Undertemperature
"cold" appears as scrolling text on the display, the temperature indicator lights up
+
Cause: Device temperature too low
Remedy: Check/increase ambient temperature, operate the power source in a warmer
environment
For more information see the Operating environments section on page 55
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