7 Commissioning the Inverter
4. Switch on all DC disconnectors between the inverter and the PV array.
5. Switch on the circuit breaker and all AC disconnectors.
☑ The green LED is glowing. Feed-in operation begins.
✖ Green LED is flashing?
The DC input voltage is still too low.
• Once the DC input voltage is sufficiently high, feed-in operation begins.
✖ The red LED is glowing?
There is probably an error.
• Rectify the error (see Section 10 "Troubleshooting", page 45).
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STPTL-US-10-IA-xx-20
SMA Solar Technology America LLC
Installation Manual