Fronius 10.0-3 480, Service Manual, Page: 112 / 180

112
775 Faulty programming of the
power stage set 1. Power stage set or filter
board not programmed 1. See device -> info menu:
look for missing versions infos
and change defective print
782* - 783* Error during update 1. Occurs once 1. Automatically corrected
2. Recerbo defective 2. Change Recerbo
784* Waiting on flash / busy 1. Occurs once 1. Automatically corrected
2. Recerbo defective 2. Change Recerbo
789* Setup CRC failed 1. Wrong / defective data in
flash 1. Update software
2. Recerbo defective 2. Change Recerbo
794* Flash data structure defect 1. Wrong / defective data in
flash 1. Update software
2. Recerbo defective 2. Change Recerbo
901 Deviation of measurement
channel 1 Current of channel 1 deviates
from the other channels Check settings, DC fuse and
modules
902 Deviation of measurement
channel 2 Current of channel 2 deviates
from the other channels Check settings, DC fuse and
modules
903 Deviation of measurement
channel 3 Current of channel 3 deviates
from the other channels Check settings, DC fuse and
modules
904 Deviation of measurement
channel 4 Current of channel 4 deviates
from the other channels Check settings, DC fuse and
modules
905 Deviation of measurement
channel 5 Current of channel 5 deviates
from the other channels Check settings, DC fuse and
modules
990 Deviation of output from ra-
diation sensor value too big Difference between the perfor-
mance of the irradiation sensor
and that of the inverter too big Check archives values, shad-
ow of the modules, blown
string fuse or defect
991 Deviation of radiation sen-
sor too big The radiation sensor deviates
too far Check if your radiation sensor
is soiled, shaded or defect
992 No radiation sensor values
or value(s) not permitted The radiation sensor does not
return any values or returns
values that are not permitted Check the cable lines of the ra-
diation sensor
993 Faulty energy report Faulty energy report due to
missing archive values Check archive values at Froni-
us Solar.web server or Data-
logger
996 No connection to Fronius
Solar.web No connection to Fronius So-
lar.web 1. Check LED status on Data-
logger
2. Restart Datalogger
3. Check internet connection
4. Check if customer has got
timer to switch off internet con-
nection and time interval set-
tings is too short
997 Deviation between invert-
ers Deviation of the kWh value be-
tween inverters depending on
the settings in Fronius So-
lar.web Check settings in system ad-
ministration in Fronius So-
lar.web (real Wpeak per
inverter and deviation), inquire
if there are shadows etc.
Code Description Behaviour Remedy