76
110
Safety cut-out occurred through a phase master
Cause: Phase master detected a disruption on the public grid
Remedy: Remedied automatically
Cause: Public grid disconnected or no grid voltage
Remedy: Check grid connection and voltage
Cause: Measurement error in the Fronius CL power stage set
Remedy: Check the STATE PS menu; if necessary, replace the affected power stage
set
Service class 2 These messages can only occur with the "Measurement and monitoring relay" option.
Class 2 service codes also affect grid parameters. Therefore, some of the testing methods
overlap with those for service class 1. The Fronius CL will react in exactly the same way
as with service class 1 service codes.
Only State 210 is present in this service class.
210
Grid contactor open
Cause: Measurement and monitoring relay has triggered
Remedy: Check grid voltage and phase sequence
Cause: No power to measurement and monitoring relay
Remedy: Check grid connection
Cause: Poor cable connection at the measurement and monitoring relay
Remedy: Check cable connection to the measurement and monitoring relay
Cause: Measurement and monitoring relay defective
Remedy: Replace measurement and monitoring relay
Service class 3 This group includes service codes that may occur during feed-in mode. These service
codes do not lead to serious damage to the electronics nor to a permanent interruption of
feed-in mode. The inverter will attempt to resume feed-in mode after disconnecting and
waiting for conditions to return to those stipulated. In case of over-temperature, a cool-
down phase is also observed.
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