SMA SC 500HE-20 - Manual (Page 19)

SMA Solar Technology AG 3 Product Description
Operating Manual SCxxxHE-20-BE-BEN111210 19
Fault
If a fault occurs during operation, the Sunny Central switches off and the "Fault" appears on the
display (see section 10 "Troubleshooting", page 72).
3.1.2 Touch Display
Depending on which option is ordered, the Sunny Central may be equipped with a touch display.
Different kinds of inverter data can be viewed on the touch display. The touch display is only used as
a means for viewing data. The display switches off if it is inactive for more than 5 minutes. It switches
on when it is touched.
3.1.3 Indicator Lights
Depending on which option is ordered, the Sunny Central may be equipped with 3 indicator lights.
The indicator lights show the status of the inverter.
The functions of each status are described below.
Status Designation Function
Green indicator
light glows
continuously Feed-in operation The Sunny Central is feeding
into the power distribution grid.
Yellow and green
indicator lights
glow
continuously Limited operation The Sunny Central has detected
a warning. The warning
currently does not affect the
operation of the Sunny Central.
Yellow indicator
light glows
continuously Warning The Sunny Central is currently
not feeding power into the grid
and has detected a warning. It is
automatically reset as soon as
the warning is no longer present.
This status is used, for instance,
when the level of irradiation is
low.
Red indicator
light glows
continuously Fault The Sunny Central has detected a
fault and is now switched off
(see section
10 "Troubleshooting", page 72).
All indicator lights
are off No feed-in
operation The Sunny Central is not feeding
into the grid, the supply voltage
is disconnected, or the key
switch is set to "Stop".