Fronius IG Plus 3.0-1 Operating Instructions Manual page 135

Class 4 Status
448
Codes
N (neutral) conductor not connected
(continued)
Behavior
Remedy
450
The monitoring of the power stage set main processor 'Guard' is active
Behavior
Remedy
451
The EEPROM Guard Control is defective
Behavior
Remedy
452
Communication between 'Guard' and the digital signal processor (DSP)
has been interrupted
Behavior
Remedy
453
Error in grid voltage recording
Behavior
Remedy
454
Error in grid frequency recording
Behavior
Remedy
Fronius IG Plus disconnects from grid for safety
reasons
Check grid setup, grid connections and fuses
If status code persists, contact your electrical contrac-
tor or a Fronius-trained service technician
The Fronius IG Plus stops feeding power into the
grid, the display shows a critical error via a red Ope-
rating Status LED
If status code persists, contact a Fronius-trained
service technician
The Fronius IG Plus stops feeding power into the
grid, the display shows a critical error via a red Ope-
rating Status LED
If status code persists, contact a Fronius-trained
service technician
The Fronius IG Plus stops feeding power into the
grid, the display shows a critical error via a red Ope-
rating Status LED
If status code persists, contact a Fronius-trained
service technician
The Fronius IG Plus stops feeding power into the
grid, the display shows a critical error via a red Ope-
rating Status LED
If status code persists, contact a Fronius-trained
service technician
The Fronius IG Plus stops feeding power into the
grid, the display shows a critical error via a red Ope-
rating Status LED
If status code persists, contact a Fronius-trained
service technician
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