8 Commissioning the Inverter SMA America, LLC
56 SB30-40-US-IA-en-33 Installation Manual
8 Commissioning the Inverter
Always commission the inverter according to the following procedure.
Requirements:
☐ The AC miniature circuit-breaker must be correctly rated.
☐ All cables must be correctly connected.
☐ The enclosure lid must be closed and correctly grounded.
1. Remove all covers from the PV array.
2. Switch on the AC miniature circuit-breaker.
3. Turn the rotary switch of the DC Disconnect to the
On position.
☑ The start phase begins. The green LED blinks
3 times per second for 10 s.
☑ The green LED glows and the inverter feeds into
the power distribution grid.
✖ Is the green LED not glowing?
• Observe LED signals and error messages in
the display, and rectify errors
(see Section 10 "Troubleshooting", page 63).
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