SMA Solar Technology AG Commissioning
Installation Guide SB13_21TL-IA-IEN121060 37
6 Commissioning
6.1 Commissioning the Inverter
1. Check the following requirements before commissioning:
– The inverter is firmly in place
– Correct connection of the AC cable (grid)
– All DC cables connected (strings)
– Unnecessary DC inputs are closed with the corresponding DC connectors and sealing plugs
– The enclosure lid is securely screwed in place
– External DC switch-disconnector additionally connected or, if available, the Electronic Solar
Switch (ESS) is firmly in place
– The miniature circuit-breaker is laid out correctly
2. Switch on the miniature circuit-breaker.
☑ Green LED glows: commissioning has been successful.
or
☑ Green LED flashes in case of insufficient irradiation: grid connection conditions have not yet
been reached. Wait for sufficient irradiation.
or
☑ The red or yellow LED is glowing or flashing: an error has occurred. Proceed to step 3.
3. Read section 9"Failure Search" (page46) and if necessary eliminate the error or fault.
A Green LED Operation
B Red LED Ground fault or varistor
defective
C Yellow LED Fault
To Next Page
Loading...
