SMA WB 3300-11 Installation - Manual (Page 56)

Troubleshooting SMA Solar Technology AG
56 WB33-38-IA-IEN120940 Installation Manual
9 Troubleshooting
If the inverter displays blink codes which differ from those described below, contact the
SMA Service Line.
You will find a description of display messages during operation, status messages and measurement
channels in the user manual provided.
Do not try to carry out any repairs other than those described here. Instead, use
SMA Solar Technology AG's 24-hour replacement service (the inverter will be ready for dispatch at
the freight forwarder within 24 hours) and repair service.
9.1 Blink Codes
Green Red Yellow Status
flashing flashing flashing OK (start-up phase)
permanently on off off OK (feed-in operation)
permanently on off Earth fault or varistor
defective
permanently on OK (initialisation)
flashing rapidly
(3 x per second) off off OK (stop)
permanently on off Earth fault or varistor
defective
flashing slowly
(1 x per second) off off OK (waiting, grid
monitoring)
goes off briefly
(approx. 1 x per second) off off OK (derating)
permanently on off Earth fault or varistor
defective
off off off OK
on / flashing Disturbance
permanently on off Earth fault or varistor
defective
on / flashing Earth fault or varistor
defective and
disturbance