SMA Solar Technology AG 9 Opening and Closing
Installation Manual SB30-50TL-21-IA-en-21 65
7. Release and disconnect all DC connectors.
To do this, insert a flat-blade screwdriver
(blade width: 3.5 mm) into one of the side slots and
pull the DC connectors straight out.
Do NOT PULL ON THE CABLE.
8. Wait until the LEDs, display and fault indicator have gone out.
9. Verify the absence of voltage between L to N at the
AC terminal using a suitable measuring device.
The maximum diameter of the test probe is 2 mm.
☑If voltage is present, check the installation.
10. Verify that no voltage is present between L and PE
at the AC terminal using a suitable measuring
device.
☑If voltage is present, check the installation.
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