SMA SUNNY BOY 3.0-US Instrucciones De Instalación página 48

7 Commissioning
Procedure:
1. Lead the enclosure lid to the Connection Unit
and plug the display cable into the socket on the
communication assembly.
2. Ensure that the display cable is securely plugged into the sockets at both ends.
3. Position the enclosure lid of the Connection Unit on the enclosure and tighten all 6 screws
crosswise with a Torx screwdriver (TX 25) (torque 3 Nm ± 0.3 Nm (26.55 in-lb ± 2.65 in-lb)).
4. Turn the DC load-break switch of the inverter to
position I.
5. Switch on the AC circuit breaker.
☑ All three LEDs light up and the display is illuminated. The start-up phase begins.
☑ After approximately 90 seconds, all three LEDs will go out again and the display will show a
succession of different messages with inverter data.
☑ Depending on the available power, the green LED pulses or is continuously illuminated. The
inverter feeds in.
✖ The LEDs are not starting to glow and the display remains dark?
The display cable is probably not correctly plugged in.
• Ensure that the display cable is firmly plugged into the sockets at both ends.
✖ The green LED is still flashing?
The conditions for activating feed-in operation are not yet met.
• As soon as the conditions for feed-in operation are met, the inverter starts with feed-in
operation and, depending on the available power, the green LED will light up
continuously or it will pulse.
✖ The red LED light is glowing and an event number with the date and time of the event appears
on the display?
An error has occurred.
• Rectify the error (see the user manual under www.SMA-Solar.com).
48 SB30-77-1SP-US-40-IA-xx-13
SMA Solar Technology America LLC
Installation Manual