4 Product Description
LED
Status
Green LED
flashing: 2 s on
2 s off
flashing: 1.5 s on
0.5 s off
flashing quickly
glowing
pulsing
Red LED
glowing
Blue LED
flashes slowly for
approx. one
minute
flashes quickly for
approx. two min-
utes
glowing
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SB30-77-1SP-US-40-IA-xx-13
Explanation
Waiting for connection conditions
The conditions for feed-in operation are not yet met. As
soon as the conditions are met, the inverter will start feed-
in operation.
Secure power supply operation
The secure power supply operation is activated and the in-
verter supplies the outlet with current from the PV system.
Update of central processing unit
The central processing unit of the inverter is being up-
dated.
Feed-in operation
(Power: ≥ 90%, relative to the active power limit set)
The inverter feeds in with a power of at least 90%.
Feed-in operation
(Power: ≥ 20% to max. 90%, relative to the set active
power limit)
The inverter is equipped with a dynamic power display via
the green LED. The green LED pulses faster or slower, de-
pending on the power. If necessary, you can switch off the
dynamic power display via the green LED.
Event occurred
In addition to the glowing red LED, the display indicates
the following information about the event:
• Event type
• Event number
• Date and time at wich the event occurred
Communication connection is being established
The inverter is establishing a connection to a local network
or is establishing 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 direct connection with an end device via Ethernet (e.g.
computer, tablet PC or smartphone).
SMA Solar Technology America LLC
Installation Manual