Fronius IG Plus 3.0-1 Operating Instructions Manual page 88

Operating
Operating Status
Status LED
LED
(continued)
lights up red
remains dark
A list of most status codes, the corresponding status information, their
status causes and repair measures can be found in the chapter 'Trouble-
shooting and Maintenance', section 'Status Diagnosis and Troubleshoo-
ting'.
Explanation
General status: the respective status code is
shown on the screen
There is no connection to the solar modules;
no power output from modules due to darkness
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