62
Power module is restarted
after a cooling-down period
441 Failure of a power-mo-
dule fan
If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
Code Designation Manifestation Remedy
Class 4
(continued)
Power cannot be fed into
the mains symmetrically
because of a mains fault
The FRONIUS IG is locked
out
The red LED indicates a cri-
tical error
442 No phase master found Disconnect DC side
If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
FRONIUS IG address has
been assigned twice
The LocalNet components
required are in the FRONI-
US IG: However, no com-
munication is possible
504 Communication with
LocalNet not possible
Change FRONIUS IG
address (see chapter
entitled „The Setup
Menu“)
The status message
goes off once the FRO-
NIUS IG address has
been changed
Some items of data from the
service menu are lost
505 EEPROM defective Fault rectified automati-
cally
Some items of data from the
„Total“ menu are lost
506 EEPROM defective Fault rectified automati-
cally
Some items of data from the
„Day“/“Year“ menu are lost
507 EEPROM defective Fault rectified automati-
cally
The address for data com-
munication is no longer
stored
508 FRONIUS IG address
contains an error
Redefine address
Excessive temperature in
device despite the fact that
little power is being deliver-
ed
501 Faulty fan
Ventilation slots blo-
cked
Class 5 service codes do not generally interfere with feeding power into the mains. A
service code is displayed until it is acknowledged by pressing a key (however, the
FRONIUS IG continues to operate normally in the background).
- Press any key
- The error message disappears from the display
Code Designation Description
Contact your system en-
gineer
Uncover ventilation slots
Remedy
While automatically measu-
ring the insulation, the FRO-
NIUS IG has detected an
insulation fault to earth
502 Insulation value too low Check the insulation of
your photovoltaic system
Service code appears
again: Contact your sys-
tem engineer
Class 5
To Next Page
Loading...
