130
Class 5 Status
Codes
(continued)
Important Please contact your Fronius dealer or a Fronius-trained ser-
vice partner if
- an error appears frequently or for a long period of time
- an error appears that is not listed in the tables
Customer
Service
517
Change of master has taken place
Description Transformer not connected / not plugged in
Bridge short-circuit
Detection of intermediate circuit voltage damaged
Remedy Check possible errors referred to in ‘Description’. If
Service-Code persists, contact a Fronius-trained
service technician
550
String fuse defective
Description One or more string fuses are defective
Remedy Measure string fuses and replace any that are defec-
tive
550
Jumper set incorrectly
Description The jumper on the Print C-Box was not reset to the
‘SMON’ position after the solar module strings were
checked
Remedy Set the jumper on the Print C-Box to the ‘SMON’ posi-
tion
553
Phase master deactivated due to frequently occurring errors
Description A reintegration of the power stage set into the Mix
network is being attempted at a later time
Remedy automatically by itself; If Service-Code persists,
contact a Fronius-trained service technician
554
NL-Mon EEPROM error
Description Default set switch off limits were restored automati-
cally
Remedy System depending changes in the service menu
‘Advanced’ have to be done again;
If Service-Code persists, contact a Fronius-trained
service technician