Installation and Operation Guide SOLECTRIA
®
XGI 1500-250 Series Inverters
DOCR-071074 (Rev 7, 30 MAY 2023)
53 of 72
9.1.2
Warning Events
Warning events will always result in the inverter ceasing AC power production, but the inverter can
self-recover if conditions causing the event cease. A warning event is indicated by the inverter
illuminating the Maintenance LED (wrench).
Table 9-2 Warning Event Codes
Warning
Event Code
Display
Message
Description
Troubleshooting
1
Internal Over
Current/ Over
Voltage
Software has detected an over-
voltage or over-current event.
Power production will temporarily
be affected.
Power cycle the inverter. If the inverter
doesn’t clear the error, contact
Technical Support.
2
Phase Lock
Loop Failure
Inverter has failed to synchronize
with the grid. Power production
will temporarily be affected.
Power cycle the inverter. If the inverter
doesn’t clear the error, contact
Technical Support.
3
Islanding
Detected
An islanding condition has been
detected. The inverter will cease
production until the event has
ended.
Using a CAT III multi-meter verify the
AC voltage. If an islanding condition (no
AC voltage) is identified check all AC
fuses or breakers. Inspect the AC
conductors for damage. If AC voltage is
present and the inverter will not grid
connect contact Technical Support.
4
Open Phase
Detected
Open AC phase condition has
been detected.
Using a CAT III multi-meter verify the
AC voltage. If a phase loss is identified
check all AC fuses or breakers. Inspect
the AC conductors for damage. If not
phase loss is identified contact
Technical Support.
5
AC Low
Frequency 1
Detected
AC low frequency region 1
detected.
Using a CAT III multi-meter verify the
AC frequency. If there is a discrepancy
of greater than 2% between the
measured results and the frequency
reported by the inverter contact
Technical Support, otherwise wait for
the grid conditions to improve.
6
AC Very Low
Frequency 2
Detected
AC low frequency region 2
detected.
Using a CAT III multi-meter verify the
AC frequency. If there is a discrepancy
of greater than 2% between the
measured results and the frequency
reported by the inverter contact
Technical Support, otherwise wait for
the grid conditions to improve.
7
AC High
Frequency 1
Detected
AC high frequency region 1
detected.
Using a CAT III multi-meter verify the
AC frequency. If there is a discrepancy
of greater than 2% between the
measured results and the frequency
reported by the inverter contact
Technical Support, otherwise wait for
the grid conditions to improve.