SMA STP 33-US-41 - Page 53

6 Troubleshooting
SMA Solar Technology AG
User Manual STP33-62-US-41-BA-en-11 53
Event number Message, cause and corrective measures
7619
Communication fault with meter unit > Check communication to meter
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).
• For Wi-Fi connection: Improve the Wi-Fi connection quality (e.g., via Wi-Fi
repeater) or connect the inverter with the DHCP server (router) via
Ethernet.
7622
No communication with the I/O module
This event is displayed during a device-internal communication error with the
SMAI/OModule. The inverter will disconnect from the utility grid for safety
reasons.
7702
Device fault
The cause must be determined by the Service.
Corrective measures:
• Contact the Service.
7801
Fault overvoltage protector
One or more surge arresters have tripped or one or more surge arresters are
not inserted correctly.
Corrective measures:
• Ensure that the surge arrester is inserted correctly.
• If surge arresters have tripped, replace the tripped surge arresters with
new surge arresters.