9 troubleshooting, 1 blink codes, Troubleshooting – SMA SB 3300-11 Installation User Manual
Page 50: Blink codes

Troubleshooting
SMA Solar Technology AG
50
SB33-38-11-IA-en-62
Installation Manual
9 Troubleshooting
If the inverter displays other blink codes or error messages than those described below,
contact the SMA Service Line.
You will also find a description of display messages during operation, status messages and
measurement channels in the user manual provided.
Do not perform any repairs that are not described here and take advantage of the 24-hour
replacement service (inverter ready for shipping and handed over to a freight-forwarding company
within 24 hours) and the SMA Solar Technology AG repair service instead.
9.1 Blink Codes
green
red
yellow
Status
flashing
flashing
flashing
OK (startup phase)
is glowing continuously
is not glowing
is not glowing
OK (feed-in operation)
is glowing continuously is not glowing
Ground fault or varistor
defective
is glowing
continuously
OK (initialization)
is flashing quickly
(3 x per second)
is not glowing
is not glowing
OK (stop)
is glowing continuously is not glowing
Ground fault or varistor
defective
is flashing slowly
(1 x per second)
is not glowing
is not glowing
OK (waiting, grid
monitoring)
goes out briefly
(approx. 1 x per second)
is not glowing
is not glowing
OK (derating)
is glowing continuously is not glowing
Ground fault or varistor
defective
is not glowing
is not glowing
is not glowing
OK (overnight
shutdown or Electronic
Solar Switch is not
plugged or external DC
switch-disconnector is
not connected.)
is glowing/flashing
Fault
is glowing continuously is not glowing
Ground fault or varistor
defective
is glowing/flashing
ground fault or varistor
defective and fault