SMA SB 1100 - Manual (Page 26)

Commissioning the Sunny Boy SMA Solar Technology AG
26 SB11_12_17-IEN100132 Installation Guide
6 Commissioning the Sunny Boy
1. Check the following requirements before commissioning:
– device is securely in place
– correct connection of the AC cable (grid)
– full connection of the DC cables (PV strings)
– unused DC plug connectors on the underside of the enclosure are sealed with protecting
caps
– the enclosure lid is securely screwed in place
– the Electronic Solar Switch (ESS) is securely plugged
– the line circuit breaker is laid out correctly
2. Switch on the line circuit breaker.
☑ The green LED is glowing or blinking if there is
enough radiation: commissioning has been
successful.
or:
☑ The red or yellow LED is glowing or blinking:
there has been an error. Proceed to step 3.
3. Read section 9 "Troubleshooting" (page 36) and,
if necessary, the user manual provided. The
meaning of the LED's as well as the error messages
and status messages on the display are described
in this section.
A Green LED In operation
B Red LED Ground fault or varistor
defective
C Yellow LED Disturbance