SMA SUNNY BOY 3800TL-US Installation Manual page 79

SMA America, LLC
☑ If the AFCI self-test is successful, the green LED is lit and the display shows the device type, the
firmware version, the device names, the country data set and display language. If
communication is Speedwire, then the status and the versions of the communication assemblies
will also be displayed also after the device names.
The inverter feeds into the grid.
✖ Green LED flashing?
Possible cause of error: The DC input voltage is still too low, or the inverter is monitoring the
utility grid.
• Once the DC input voltage is sufficiently high, the inverter goes into operation.
✖ The red LED is lit and an error message and event number appear in the display?
• Eliminate the error (see Section 11 "Troubleshooting", page 59).
✖ The blue LED is glowing or flashing?
• Eliminate the communication error (see Section 9.3 "LED Signals", page 54).
✖ If the AFCI self-test fails the inverter repeats the AFCI self-test until it is successful.
✖ If the AFCI self-test continues to fail disconnect the Inverter from all voltage sources (see Section
10).
If the AFCI self-test fails permanently
• Contact the SMA Service Line. Observe Section 16.
In the event of inverter inspection
• Disconnect the Inverter from all voltage sources (see Section 10).
Installation Manual
11 Troubleshooting
SB3-5TLUS22-IA-en-16 79