Afore HNS2000TL-1 - Trouble Shooting; Troubleshooting Guide

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9 Trouble Shooting
In most situations, the inverter requires very little service. However, if inverter is not able to work perfectly, we recommend the following
solutions for quick troubleshooting.
 If there is a fault, the red LED will flash. Please refer to the following table for a list of potential problems and their solutions.
No.
Definition
Error Message
Possible Causes
Corrective Measure
1
PVA over voltage
PVa Over
Voltage
1. The open-circuit voltage of PV
panels exceeds permitted values.
Adjust the PV panel configuration
2. Inverter fault
Restart the inverter; if the error still remains after repeated restarting,
please contact our after-sales.
2
PN over voltage
Busbar Over
Voltage
Inverter fault
Restart the inverter; if the error still remains after repeated restarting,
please contact our after-sales.
3
Ground-fault current
protection
Active GFCI
1. The connection of grounding
wires of PV panels is incorrect.
Check the wire connection
2. The connection of AC grounding
wires of PV panels is incorrect.
Check the wire connection
3. Inverter fault
Restart the inverter; if the error still remains after repeated restarting,
please contact our after-sales.
4
EEPROM error
EEPROM Failure
Inverter fault
Restart the inverter; if the error still remains after repeated restarting,
please contact our after-sales.
5
Parameter error
Para Over Range
Inverter fault
Restart the inverter; if the error still remains after repeated restarting,
please contact our after-sales.
6
Reference voltage
error
Ref Voltage
Error
Inverter fault
Restart the inverter; if the error still remains after repeated restarting,
please contact our after-sales.