4 Product Overview
SMA Solar Technology AG
Operating manualSTP50-40-BE-en-1522
LED signal Explanation
The blue LED flashes quickly
for approx. two minutes
(0.25s on and 0.25s off).
WPS active
The WPS function is active.
The blue LED is glowing Communication active
There is an active connection with a local network or there is a di-
rect connection with an end device via Ethernet (e.g. computer,
tablet PC or smartphone).
4.5 Display messages
Display message Explanation
Package Installed firmware version and configured country data set
Ser Product serial number
HW Hardware version of the product
FW-HP Firmware version of the central processing unit
FW-KP Firmware version of the communication processor
Ethcom A Status of the network port A
Ethcom B Status of the network port B
E-IP Ethernet IP address of the product
SMsk Subnet mask of the product
GW Gateway address of the product
DNS IP address of the domain name server
Wlancom Status of the WLAN connection
W-IP WLAN IP address of the product
DC A Status of the DC input A
DC B Status of the DC input B
DC C Status of the DC input C
DC D Status of the DC input D
DC E Status of the DC input E
DC F Status of the DC input F
AC1 Voltage/current between line conductors and neutral conductor
AC2 Voltage/current between line conductors and neutral conductor
AC3 Voltage/current between line conductors and neutral conductor
Update status Firmware update information