Fronius CL 44.4 Delta Serviceanleitung Seite 102

904
String control detected deviation on measuring channel 4
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
905
String control detected deviation on measuring channel 5
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
998
Monitoring ring not functional for 24 h
Cause:
Remedy:
Cause:
Remedy:
999
An inverter has not communicated with the datalogger for 24 h
Cause:
Remedy:
Cause:
Remedy:
100
Snow-covered solar modules
Clean or remove snow from solar modules and adjust threshold value in Fro-
nius Solar.access
Solar module or cable defective
Check solar modules
Set parameter is too sensitive
Make correct parameter setting
Snow-covered solar modules
Clean or remove snow from solar modules and adjust threshold value in Fro-
nius Solar.access
Solar module or cable defective
Check solar modules
Set parameter is too sensitive
Make correct parameter setting
Data ring is open (cable break)
Check data line
Defective component blocks communication
Set up ring with only one inverter and expand step-by-step to locate defective
components
Solar modules defective or very dirty
Check solar modules and, if necessary, clean them
Inverter ComCard defective
Check the ComCard of the affected inverter