9 Operation
9.1 LED Signals
The LEDs indicate the operating state of the inverter.
LED Status Explanation
Green LED glowing Feed-in operation
If an event occurs during feed-in operation, an event mes-
sage will be shown in the communication product (for
event messages see the service manual at www.SMA-So-
lar.com).
flashing The conditions for feed-in operation are not yet met. As
soon as the conditions are met, the inverter will start feed-
in operation.
Red LED glowing Error
An error has occurred. The error must be rectified by a
qualified person (for troubleshooting, see the service man-
ual at www.SMA-Solar.com).
Blue LED - No function
9.2 Display Overview
The display shows the current operating data of the inverter (e.g. current power, daily energy, total
energy) as well as events or errors. Power and energy are displayed as bars in a diagram.
9 Operation
SMA Solar Technology AG
Operating Manual 39STP15-25TL-30-BE-en-13
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