SMA SC 500HE-20 Installation - Manual (Page 16)

3 Product Description SMA Solar Technology AG
16 SCxxxHE-20-IA-IEN111210 Installation Manual
3.1.4 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.
3.1.5 Indicator lights
Depending on which options are 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.
Condition Description 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.
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".