Voltwerk VS 3, 4, 5 Operating manual 15
3 Technical description
ENGLISH
DO_BA_2008_121LB_3ENG_BVo 22.2.10
3.4 LED indicators
Each device has four LED indicators. These may light up or
flash.
2
You can find information on the LED indicators'
different flashing codes in chapter 6.2, page 41 and chapter
8.1, page 56.
3.5 Connections and buttons
All connections for each string inverter are contact-proof and
accessible from the outside.
| Never open the unit.
| All connections are supplied with sealing plugs on delivery.
| Leave all connections that are not required sealed.
Otherwise, the string inverter will no longer comply with IP
65 protection rating requirements.
2) Flashing: The LED flashes evenly (250 ms on and 250 ms off).
Quick flash: The LED lights up briefly (80 ms) and then remains off
for a longer interval (1920 ms).
LED symbol Designation Meaning of lit LED
display
Ready Device is in operation.
Solar power
system
Solar power system
voltage is present
Grid Requirements for
power feed to the grid
are met
Fault Fault
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