14 Troubleshooting
SMA Solar Technology AG
Operating manual
157
SI44M-80H-13-BE-en-15
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:
• 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.
7620
Communication with grid power meter faulty
The inverter is not receiving any data from the energy meter.
Corrective measures:
• 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.
7716
Section switch does not open
Tie switch does not open.
Corrective measures:
• 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.
7717
Device fault
Neutral conductor relay of the device at Lxx does not open.
Corrective measures:
• Contact the Service.
7718
Device fault
Transfer relay does not open at line conductor Lxx. A bypass switch may have bridged the in-
ternal transfer relay.
• Ensure that the bypass switch is in the position for operation with Sunny Island.
• Ensure that the connections
AC1
and
AC2
are not bridged.
7719
Plausibility check MC-BOX failed
Plausibility check on the contactors in the Multicluster-Box has failed.
Corrective measures:
• Contact the Service.