SMA SB3.0-1SP-US-40, Installation Manual, Page: 21 / 236

4 Product Overview SMA Solar Technology AG
Installation Manual SBxx-1SP-US-40-IA-xx-15 21
LED signal Explanation
The red LED is glowing Event occurred
In addition to the glowing red LED, the display indicates the follow-
ing information about the event:
• Event type
• Event number
• Date and time at which the event occurred
The blue LED flashes slowly
for approx. one minute 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).
The blue LED flashes quickly
for approx. two minutes. 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).
ENGLISH