Description Of The Led Function; Led Isolation Fault - ABB PVS-50-TL Product Manual

D
escription of the LED function
Indicates that the inverter is functioning correctly.
When the unit is commissioned, while the grid is checked, this LED blinks. If a valid grid voltage
is detected, the LED remains continuously lit, as long as there is sufficient sunlight to activate the
unit. Otherwise, the LED will continue to blink until the sunlight is sufficient for activation.
The LEDs, in various multiple available combinations, can signal multiple conditions other than the original
single condition; see the various descriptions explained in the manual.
L
ED isolation fault
You are advised to have the plant inspected by the installer or a specialist should this
malfunction occur repeatedly.
The LED functions on the inverter are described below.
PVS-60
The "GFI" (ground fault) LED indicates that the inverter has
detected a ground fault in the DC side photovoltaic generator.
When this fault is detected, the inverter immediately disconnects
from the grid.
Indicates that the inverter has detected an anomaly. This type of problem is
highlighted through the "Aurora Manager Lite" software.
Interventions after warning of isolation fault
When the red LED activates, first of all try to reset the alarm using the the
embedded web server.
If the inverter reconnects normally to the network the fault was due to
temporary phenomena.
If the inverter does not reconnect to the grid, isolate it on both the AC and
DC sides (by using the disconnect switches), then contact the installer or
authorised centre to repair the fault in the photovoltaic generator.
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6 - Instruments