SMA SUNNY ISLAND 4.4M Operating Manual page 157

SMA Solar Technology AG
Event number Message, cause and corrective measures
7619 Communication fault with meter unit
The inverter is not receiving any data from the energy meter.
Corrective measures:
7620
Communication with grid 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
Device fault
Neutral conductor relay of the device at Lxx does not open.
Corrective measures:
7718
Device fault
Transfer relay does not open at line conductor Lxx. A bypass switch may have bridged the in-
ternal transfer relay.
7719 Plausibility check MC-BOX failed
Plausibility check on the contactors in the Multicluster-Box has failed.
Corrective measures:
Operating manual
• 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.
• Ensure that the bypass switch is in the position for operation with Sunny Island.
• Ensure that the connections AC1 and AC2 are not bridged.
• Contact the Service.
14 Troubleshooting
SI44M-80H-13-BE-en-15 157