Fronius IG Plus 3.0-1 - Page 135

125
Class 4 Status
Codes
(continued)
448
N (neutral) conductor not connected
Behavior Fronius IG Plus disconnects from grid for safety
reasons
Remedy Check grid setup, grid connections and fuses
If status code persists, contact your electrical contrac-
tor or a Fronius-trained service technician
450
The monitoring of the power stage set main processor ‘Guard’ is active
Behavior The Fronius IG Plus stops feeding power into the
grid, the display shows a critical error via a red Ope-
rating Status LED
Remedy If status code persists, contact a Fronius-trained
service technician
451
The EEPROM Guard Control is defective
Behavior The Fronius IG Plus stops feeding power into the
grid, the display shows a critical error via a red Ope-
rating Status LED
Remedy If status code persists, contact a Fronius-trained
service technician
452
Communication between ‘Guard’ and the digital signal processor (DSP)
has been interrupted
Behavior The Fronius IG Plus stops feeding power into the
grid, the display shows a critical error via a red Ope-
rating Status LED
Remedy If status code persists, contact a Fronius-trained
service technician
453
Error in grid voltage recording
Behavior The Fronius IG Plus stops feeding power into the
grid, the display shows a critical error via a red Ope-
rating Status LED
Remedy If status code persists, contact a Fronius-trained
service technician
454
Error in grid frequency recording
Behavior The Fronius IG Plus stops feeding power into the
grid, the display shows a critical error via a red Ope-
rating Status LED
Remedy If status code persists, contact a Fronius-trained
service technician