User Manual 30
10.
10
TROUBLE SHOOTING
Earth Fault Alarm
This inverter complies with IEC 62109-2 clause 13.9 for earth fault alarm monitoring.
If an
Earth Fault Alarm
occurs, the
error code 6
will be displayed on the LCD. Red LED
indicator will also light up.
If an external indication of earth fault alarm is required, please connect PV System to
inverter monitoring app/portal. The monitoring platform will send email notification in the
event of an Earth Fault. Please refer to Sector 6.1 and HYPONTECH WI-FI STICK GUIDE on
how to setup your inverter communication function.
Full Error Code and Corrective Measures
When the PV system does not operate normally, we recommend the following solutions
for quick troubleshooting. If an error occurs, the Error code will be displayed on the
inverter’s screen or on the Hypontech’s monitoring A
pp/Web, the red LED will light up.
The corresponding corrective measures are as follows:
Error Code
Fault Name
Description
Corrective Measures
1
Functional fault in
Micro-Controller
Unit (MCU)
MCU abnormal self-check in
start process
Disconnect the inverter from the utility grid and the PV array, and
reconnect it after LED turns off.
If this fault is still being displayed, please contact service.
2
A faulty current
sensor detected
AC current sensor detect
current abnormal in the start
process
Disconnect the inverter from the utility grid and the PV array, and
reconnect it after LED turns off.
If this fault is still being displayed, please contact service.
3
Ground fault circuit
interrupter (GFCI)
sensor error
GFCI sensor self-check
abnormal
Disconnect the inverter from the utility grid and the PV array, and
reconnect it after LED turns off.
If this fault is still being displayed, please contact service.
