9 troubleshooting, 1 blink codes, Troubleshooting – SMA WB 5000A-11 Installation User Manual
Page 65: Blink codes

SMA Solar Technology AG
Troubleshooting
Installation Manual
WB5A_6A-IA-IEN114540
65
9 Troubleshooting
If the inverter displays blink codes which differ from those described below, contact the
SMA Service Line.
In the user manual provided, you will also find a description of the display messages during operation,
status messages and measurement channels.
Do not try to carry out repairs other than those described here. Instead, use the
SMA Solar Technology AG 24-hour replacement service (the inverter will be ready for dispatch and
at the forwarding agency within 24 hours) and repair service.
9.1 Blink Codes
Green
Red
Yellow
Status
flashing
flashing
flashing
OK (startup phase)
permanently on
off
off
OK (feed-in operation)
permanently on
off
ground fault or varistor
defective
permanently on
OK (initialization)
flashing quickly
(3 x per second)
off
off
OK (stop)
permanently on
off
ground fault or varistor
defective
flashing slowly
(1 x per second)
off
off
OK
(waiting, grid monitoring)
goes off briefly
(approx. 1 x per second)
permanently on
off
ground fault or varistor
defective
off
off
OK (derating)
off
off
off
OK (night-time deactivation)
on / flashing
Fault
permanently on
off
ground fault or varistor
defective
on / flashing
ground fault or varistor
defective and disturbance