SMA Solar Technology AG Troubleshooting
Installation Guide WB33_38-IEN101830 51
9 Troubleshooting
If the inverter displays blink codes or error messages other than those described in the following
section, contact the SMA Serviceline.
In the user manual provided, you will also find a description of the display messages during operation,
the status messages and measuring channels.
Do not try to carry out repairs other than those described here. Instead, use the
SMASolarTechnology AG 24-hour replacement service (the inverter will be ready for dispatch
within 24 hours and sent to a forwarding agency) and repair service.
9.1 Blink Codes
Green Red Yellow Status
Glows continuously Is not glowing Is not glowing OK (feeding operation)
Glows continuously Is not glowing Ground fault or varistor
defective
Glows continuously OK (initialization)
Flashes quickly
(3 x per second)
Is not glowing Is not glowing OK (stop)
Glows continuously Is not glowing Ground fault or varistor
defective
Flashes slowly
(1 x per second)
Is not glowing Is not glowing OK (waiting, grid
monitoring)
Briefly goes out
(approx. 1 x per second)
Is not glowing Is not glowing OK (derating)
Glows continuously Is not glowing Ground fault or varistor
defective
Is not glowing Is not glowing Is not glowing OK (night-time
deactivation)
Is not glowing Disturbance
Glows continuously Is not glowing Ground fault or varistor
defective
Glowing/flashing Ground fault or varistor
defective and
disturbance