Fronius String Control 100/12 Bedienungsanleitung Seite 60

Text of warning notices:
WARNING!
An electric shock can be fatal.
Danger from DC voltage from solar modules.
More than one power source.
Disconnect all power sources before maintenance work.
Before opening the device, ensure that the input and output sides in front of the device are
not charged!
Dangerous voltage caused by solar modules exposed to light.
The connection area must only be opened by qualified electricians.
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