Position Symbol Explanation
F Utility grid
G - Event number of an error on the utility grid side
H - Output voltage or output current of a line conductor
I - Event number of an error in the inverter
K Grid relay
When the grid relay is closed, the inverter feeds into the utility
grid.
When the grid relay is open, the inverter is disconnected from
the utility grid.
L Inverter
M - Input voltage or input current of a line conductor
N - Event number of an error on the PV array side
O - Text line to display event and error messages
P PV array
Q - Diagram with the power curve of the last 16feed-in hours or
energy yields of the last 16days
• In order to switch between diagrams, tap once on the
enclosure lid.
R You can operate the display by tapping on the enclosure lid
(see Section9.3, page55).
The displayed error must be rectified on-site by a qualified per-
son (for troubleshooting, see service manual at www.SMA-So-
lar.com).
The displayed error cannot be rectified on-site.
• Contact the Service (see Section13, page70).
9.3 Activating and Operating the Display
You can activate and operate the display by tapping on the enclosure lid.
Procedure:
1. Activate the display. Tap on the enclosure lid once.
☑ The backlight is switched on.
9 Operation
SMA Solar Technology AG
Operating Manual 55STP5-12TL-20-BE-en-15