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7 Commissioning the Inverter
Requirements:
The inverter must be correctly mounted.
The circuit breaker must be correctly rated.
All cables must be correctly connected.
A computer with a WLAN- or Ethernet interface or a tablet PC or smartphone with a WLAN
interface must be available.
Procedure:
1. Turn the DC load-break switch of the inverter to
position I.
2. Switch on the circuit breaker.
The green LED flashes for approx. 30seconds and then glows permanently or pulses.
Feed-in operation begins.
The green LED is still flashing after one minute?
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?
An error has occurred.
Rectify the error (see service manual at www.SMA-Solar.com).
3. Configure the inverter via the user interface (see Section8.1.1 "Calling Up the Inverter User
Interface via Direct Connection", page34). When doing so you can either configure the
inverter manually, use the installation assistant or adopt an existing configuration from a file.
SMA Solar Technology AG recommends configuration with the help of the installation
assistant.
7 Commissioning the Inverter
SMA Solar Technology AG
Operating Manual 33SB15-25-BE-en-10
33


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