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Startup Phase and Grid Feed-in Mode
Startup phase
The inverter carries out a self test after being turned on automatically. Then a test of the
public grid is carried out. This test takes five minutes. During the startup sequence the illu-
mination of the Operating Status LED is yellow.
Test procedure
1.
2.
3.
4.
Segment test
All display elements light up for about one second
Self test of essential inverter components
-
The inverter goes through a master check list for several seconds
-
The display shows 'TEST' and indicates the respective component that is being
tested (for example, 'LED')
Synchronization with grid:
-
'WAIT PS' is displayed, the inverter icon flashes: The inverter is waiting for all
power stage sets in the network to be on stand-by. This procedure takes place
dependent on the DC voltage
-
Next, the display shows 'SYNC AC,' the grid icon flashes.
Startup test
-
Before the inverter starts feeding energy into the grid, the conditions of the grid
are tested in accordance with local regulations.
-
The display shows 'START UP.'
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