SMA SUNNY ISLAND 4.4M Operating Manual page 156

14 Troubleshooting
Event number Message, cause and corrective measures
7609
Communication failure
Communication with an energy meter is faulty.
Corrective measures:
7611
Communication failure
A protocol that is not supported has been recognized on 1 energy meter.
Corrective measures:
7613
CAN communication with energy meter is faulty.
Communication with an energy meter is faulty.
Corrective measures:
7616
Communication failure
Device-internal communication of the device at Lxx is disturbed.
Corrective measures:
7617
Communication with MC-BOX interrupted
Communication with Multicluster Box is interrupted.
Corrective measures:
7618
Communication failure
CAN communication within the cluster is faulty. Device-internal communication pulse is miss-
ing on at least 1 device (line conductor L2 or L3).
Corrective measures:
156 SI44M-80H-13-BE-en-15
• Ensure that the optical probe is correctly installed and connected.
• Contact the Service.
• Ensure that the data cables are correctly installed.
• Contact the Service.
• 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 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.
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Operating manual