Sunny Boy User Manual

6 Troubleshooting
SMA Solar Technology AG
User Manual SBxx-US-1XP-41-BA-en-11 57
Event number Message, cause and corrective measures
7356
Update of the WebUI not successful
The update of the inverter user interface failed.
Corrective measures:
• Retry update.
• If this message is displayed again, contact the Service.
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 WLAN connection, improve the WLAN connection quality (e.g. via
SMA Antenna Extension Kit) or connect the inverter with the DHCP server
(router) via Ethernet.
8003
Active power limited temperature
The inverter has reduced its power output for more than ten minutes due to ex-
cessive temperature.
Corrective measures:
• Clean the cooling fins on the rear of the enclosure and the air ducts on
the top using a soft brush.
• Ensure that the inverter has sufficient ventilation.
• Ensure that the ambient temperature +45°C (113°F) has not been
exceeded.
• Ensure that the inverter is not exposed to direct solar irradiation.
8206
Electr. arc detected > Please confirm by tapping
The inverter has detected an electric arc and was recommissioned after a dis-
connection. By tapping, you are confirming that you have repaired any possi-
ble damage to PV modules, DC conductors or plugs in the PV system.
Corrective measures:
• Tap on the enclosure lid of the Connection Unit within ten seconds of the
message appearing in order to recommission the inverter.