Fronius CL 44.4 Delta Serviceanleitung Seite 82

407
Temperature sensor on heat sink defective or not connected
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408
An imbalance has been detected in the public grid
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412
The fixed voltage set is considerably higher than the open circuit voltage of the solar mod-
ules
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413
Open circuit voltage too high during transformer switchover
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80
Temperature sensor in power stage set not connected
Replace power stage set
Defective temperature sensor in power stage set
Replace power stage set
Defective temperature measurement in power stage set
Replace power stage set
Public grid unclean
Error is remedied automatically
Loose contact on grid power lines
Check grid lead
Measurement wiring for power stage set defective
Replace power stage set
Controller in power stage set defective
Replace power stage set
DC voltage of the solar modules is higher than the maximum input voltage of
the inverter
Change connection of the solar modules
Transformation ratio of the transformer does not match the solar module volt-
age
Set the operating mode of the Fronius CL to MPP mode in the Service menu
Set fixed voltage to the correct value in the Service menu
MPP tracking is adjusted automatically - Fronius CL is restarted
Calculate voltage and temporarily set to FIX mode in the Service menu
Overdimensioning of the solar modules. Inverter starts derating
Check solar module voltage and change connection