5 Product Overview
SMA Solar Technology AG
Operating manualSTP110-60-BE-en-1624
• Activating the Fast Stop Function⇒page64
5.5 LED Signals
The LEDs indicate the operating state of the product.
LED signal Explanation
The green LED is flashing (2s on and 2s off) Waiting for feed-in conditions
The conditions for feed-in operation are not yet
met. As soon as the conditions are met, the in-
verter will start feed-in operation.
The green LED is glowing Feed-in operation
The inverter is feeding in.
The green LED is off The inverter is not feeding into the utility grid.
The red LED is glowing Event occurred
If an event occurs, a distinct event message and
the corresponding event number will be dis-
played in addition on the product user interface
or in the communication product (e.g.
SMADataManager).
The blue LED is glowing Communication active
There is an active connection with a local net-
work or there is a direct connection via Ethernet
with a smart end device (e.g. smartphone, tablet
or laptop).