SMA Solar Technology AG
LED signal
The blue LED flashes slowly
for approx. one minute
The blue LED flashes quickly
for approx. two minutes
(0.25 s on and 0.25 s off).
The blue LED is glowing
Installation Manual
Explanation
Communication connection is being established
The inverter is establishing a connection to a local network or is es-
tablishing a direct connection to an end device via Ethernet (e.g.
computer, tablet PC or smartphone).
WPS active
The WPS function is active.
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 Product Overview
STP33-62-US-41-IA-xx-13
21