SMA STP 15000TL Service Manual - Manual (Page 10)

4 Troubleshooting
4.1 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 on the display (for event messages see
the service manual at www.SMA-Solar.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
If an error occurs, the error message and the correspond-
ing event number will be shown in the display. The error
must be rectified by a qualified person (for troubleshoot-
ing, see the service manual at www.SMA-Solar.com).
Blue LED glowing BLUETOOTH communication is activated.
4.2 Event Messages
Display message Cause
Self-test The self-test is in progress.
Set parameter The parameter changes are being adopted.
Parameters set successfully The parameter changes were successfully adopted.
Update file OK The update file found is valid.
SD card is read The SD memory card is searched for update files and the update file
is checked.
No new update SD card The SD memory card contains an update file that has already been
used.
Update communication The inverter is performing an update of the communication compo-
nent.
Update main CPU The inverter is updating the inverter component.
Update RS485I module The inverter is updating the corresponding component.
Update Speedwire The inverter is updating the corresponding component.
Webconnect update The inverter is updating the corresponding component.
Update Bluetooth The inverter is updating the corresponding component.
4 Troubleshooting SMA Solar Technology AG
Service Manual STP15-17TL-10-SG-en-10 10