SMA SUNNY ISLAND 4.4M Operating Manual page 158

14 Troubleshooting
Event number Message, cause and corrective measures
8003
Derating occurred
The inverter at Lxx reduces the battery charging current due to overheating.
Corrective measures:
8101
Communication failure
8102 The cause must be determined by the Service.
8103
Corrective measures:
8104
8609
A slave is in error state, cluster is stopped
A slave has a fault status, cluster is stopped.
Corrective measures:
8610
8611
Error in the cluster configuration
The addresses of the slaves in the cluster are incorrect.
Corrective measures:
8612
No message from cluster master (only slave)
Communication to the master is interrupted.
Corrective measures:
8613
Cluster incomplete
Voltage of the main cluster cannot be measured at Lxx.
Corrective measures
158 SI44M-80H-13-BE-en-15
• Reduce the total power of the loads, e.g. by staggering their use over time.
• Clean the fan (see Section 11.7, page 97).
• If the inverter reduces its power often, increase the power (install a more powerful
device type or more inverters of the same type).
• Contact the Service.
• Read off the pending and logged warnings and errors and eliminate the causes.
• Contact the Service.
• Change the addresses of the slaves in the cluster.
• Ensure that undamaged CAT5e cables are used for communication and that the cables
are plugged in correctly.
• Ensure that the communication bus is equipped with a terminator at both ends.
• Ensure that all miniature circuit breakers of the Sunny Island inverters in the Multicluster-
Box are closed.
• Ensure that the cabling at connection AC1 is correctly installed.
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Operating manual