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Fronius CL 44.4 Delta Serviceanleitung Seite 77

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1x7 ***
Synchronization with the public grid not possible
Cause:
Public grid is not connected
Remedy:
Connect grid cable
Cause:
Grid frequency / Grid voltage does not correspond to settings
Remedy:
Check grid frequency / grid voltage
Cause:
Contact error in hybrid plug
Remedy:
Check power stage set
Cause:
Lines in the power stage set are not connected
Remedy:
Connect lines
Cause:
Measurement error in Fronius CL
Remedy:
Replace power stage set
108
Anti-islanding was detected
Cause:
Islanding formation was detected
Remedy:
Remedied automatically
Cause:
Strong disruptions on the public grid
Remedy:
Remedied automatically
Cause:
Persistent disruptions on the public grid
Remedy:
Check grid frequency / grid voltage
Cause:
Measurement error in Fronius CL
Remedy:
Replace power stage set
109
General grid error
Cause:
Strong disruptions on the public grid
Remedy:
Remedied automatically
Cause:
No grid voltage
Remedy:
Check grid voltage
Cause:
Contact error in neutral conductor
Remedy:
Check the neutral conductor
Cause:
Defective power stage set measurement circuit
Remedy:
Check the STATE PS menu; if necessary, replace the affected power stage
set
75

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