Ablerex EnerSalvys AB-ESSINV, Руководство пользователя, Страница: 76 / 89

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4. Troubleshooting and Solutions
Display of Error and Alarm Codes:
1. LCD display of the inverter: Automatically displays the Error/Alarm code.
2. LCD touch display of the smart meter: Automatically displays the Error/Alarm code.
 Utility grid system abnormality code description:
LCD
Display
Cause Description Troubleshooting
AL00
Utility grid
voltage too
high
Utility grid voltage
does not comply
with
photovoltaic
inverter
specifications
1. Disconnect the photovoltaic inverter
from the utility grid.
2. Confirm the wiring and architecture of
the utility grid system
3. Confirm whether the utility grid voltage
and frequency comply with photovoltaic
inverter specifications
4. Restart the photovoltaic inverter. If the
malfunction continues to occur, please
contact the supplier.
AL01
Utility grid
voltage too
low
AL02
Utility grid
voltage
frequency
too high
Utility grid voltage
frequency does not
comply
with
photovoltaic
inverter
specifications
AL03
Utility grid
voltage
frequency
too low
AL04
String A
input
voltage too
high
Input voltage does
not comply with
photovoltaic
inverter
specifications
1. Disconnect the photovoltaic array from
the photovoltaic inverter
2. Confirm the open-circuit voltage of the
photovoltaic array
3. If the open-circuit voltage of the
photovoltaic array is within photovoltaic
inverter
specifications and the
malfunction continues to occur, please
contact the supplier.
AL05
String A
input
voltage too
low
AL06
String B
input
voltage too
high
AL07
String B
input