SMA SUNNY ISLAND 4.4M Operating Manual page 161

SMA Solar Technology AG
Event number Message, cause and corrective measures
7617
Communication with MC-BOX interrupted
Communication with Multicluster Box is interrupted.
Corrective measures:
7618
Communication disturbed
CAN communication within the cluster is faulty. Device-internal communication pulse is miss-
ing on at least one device.
Corrective measures:
7619 Communication fault with meter unit
The inverter is not receiving any data from the energy meter.
Corrective measures:
7620
Communication with mains power meter faulty
The inverter is not receiving any data from the energy meter.
Corrective measures:
7716
Section switch does not open
Tie switch does not open.
Corrective measures:
7717
Interference device
Neutral conductor relay of the device at L1 / L2 / L3 does not open.
Corrective measures:
Operating Manual
• 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.
• Ensure that the energy meter is correctly integrated into the same network as the inverter
(see energy meter manual).
• Establish connection between the inverter and the DHCP server (router) via Ethernet.
• Ensure that the energy meter is correctly integrated into the same network as the inverter
(see energy meter manual).
• Establish connection between the inverter and the DHCP server (router) via Ethernet.
• Ensure that the triggering of the tie switch is correct.
• Ensure that the tie switch is correctly wired.
• Ensure that the feedback contact is correctly connected.
• Contact the Service (see Section 19, page 189).
15 Troubleshooting
SI44M-80H-12-BE-en-10 161