SMA SB 1.5-1VL-40 Service Manual - Manual (Page 19)

Event number Message, cause and corrective measures
7355 Update WebUI
The inverter is updating the inverter user interface.
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 (see Section 11
"Contact", page 33).
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
WLAN repeater) or connect the inverter with the DHCP server (router) via
Ethernet.
7701 to 7703 Self diagnosis > Interference device
The cause must be determined by the Service.
Corrective measures:
• Contact the Service (see Section 11 "Contact", page 33).
8003 Temperature derating
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 40°C has not been exceeded.
• Ensure that the inverter is not exposed to direct solar irradiation.
4 Event Messages SMA Solar Technology AG
Service Manual for Installers 19 SB15-25-SG-en-10