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Installation and Operation Guide SOLECTRIA
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).
Warning
Display
Event Code
Message
Internal Over
1
Current/ Over
Voltage
Phase Lock
2
Loop Failure
Islanding
3
Detected
Open Phase
4
Detected
AC Low
5
Frequency 1
Detected
AC Very Low
6
Frequency 2
Detected
AC High
7
Frequency 1
Detected
DOCR-071074 (Rev 7, 30 MAY 2023)
®
XGI 1500-250 Series Inverters
Table 9-2 Warning Event Codes
Description
Software has detected an over-
voltage or over-current event.
Power production will temporarily
be affected.
Inverter has failed to synchronize
with the grid. Power production
will temporarily be affected.
An islanding condition has been
detected. The inverter will cease
production until the event has
ended.
Open AC phase condition has
been detected.
AC low frequency region 1
detected.
AC low frequency region 2
detected.
AC high frequency region 1
detected.
Troubleshooting
Power cycle the inverter. If the inverter
doesn't clear the error, contact
Technical Support.
Power cycle the inverter. If the inverter
doesn't clear the error, contact
Technical Support.
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.
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.
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.
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.
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.
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