SMA SUNNY BOY 5000-US Installation Manual page 61

SMA America, LLC
5. If the AFCI self-test is successful: The Sunny Boy goes into "Waiting" mode
and the green LED flashes.
☑ The "Waiting" mode ends when solar irradiation reaches a certain level.
The green LED lights up permanently and the Sunny Boy feeds into the
power distribution grid.
or
6. If the AFCI self-test fails: The Sunny Boy repeats the AFCI self-test until it is successful.
7. If the AFCI self-test continues to fail: Turn the DC
disconnect to position "0" and switch off the AC
disconnect switch to the inverter.
If the AFCI self-test fails permanently
• Contact the SMA Service Line. Observe section 14 "Contact" (page 103).
In the event of inverter inspection
1. Turn the DC disconnect to position "0".
☑ The Sunny Boy switches itself off.
2. Disconnect the Sunny Boy on the AC side.
The Message "EarthCurrentMax" Is Displayed
A ground fault is present in the PV array. The GFDI fuse is cleared.
1. Turn the DC disconnect to position "0" and switch
off the AC disconnect switch to the inverter.
2. Perform troubleshooting in the PV array.
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