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4.3 LED Signals
LED Status Explanation
Green LED flashing Waiting for connection conditions
The LED is on for two seconds and then off for two sec-
onds. The conditions for feed-in operation are not yet met.
As soon as the conditions are met, the inverter will start
feed-in operation.
glowing Feed-in operation
(Power: ≥90%, relative to the active power limit set)
The inverter feeds in with a power of at least 90%.
pulsing Feed-in operation
(Power: <90%, relative to the active power limit set)
The inverter feeds in with a power of less than 90%. The
LED flashes on and off uniformly. The higher the power,
the greater the frequency. If required, you can switch the
dynamic power display off (see Section9.16 "Switching
the Dynamic Power Display Off", page48).
Red LED glowing Error
If an error occurs, a distinct error message and the corre-
sponding event number will be displayed in addition on
the inverter user interface or in the communication prod-
uct. The error must be rectified by a qualified person (for
troubleshooting, see the service manual at www.SMA-So-
lar.com).
Blue LED flashes slowly for
approx. one
minute
Communication connection is being established
The inverter is establishing a connection to a local network
or creating an Ethernet direct connection to an end device
(e.g. smartphone, tablet PC or computer).
flashes slowly for
approx. two min-
utes
WPS active
The WPS function of the inverter for WLAN direct connec-
tion with an end device (e.g. smartphone, tablet PC or
computer) is active.
glowing Communication active
There is an active connection with a local network or an
Ethernet direct connection with an end device (e.g. smart-
phone, tablet PC or computer).
4 Product Description
SMA Solar Technology AG
Operating Manual 15SB15-25-BE-en-10
15


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