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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 can take from several seconds up to several minutes
depending on local regulations. During the startup sequence the illumination of the Oper-
ating Status LED is orange.
Test Procedure 1. Segment test
All display elements light up for about one second
2. Self test of important inverter components
- The inverter goes through a master check list for several seconds
- The display will show "TEST" as well as the component currently being tested
(e.g., "LED")
3. Synchronization with grid:
- "WAIT PS" is displayed, the inverter icon flashes: The inverter waits for all power
stage sets on the grid to be operational. This procedure is dependent on the DC
voltage.
- Next, the display shows "SYNC AC," the grid icon flashes
4. Startup test
- Before the inverter begins feeding power into the grid, grid conditions are tested
according to local regulations.
- The display shows "START UP"
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