Operation Method
8 Troubleshooting
8.1 Troubleshooting
This section contains information and procedures for solving possible
problems with the series inverters, and provides you with troubleshooting
tips to identify and solve most problems that could occur with the series
inverters.
This section will help you narrow down the source of any problems you may
encounter. Please read the following troubleshooting steps.
Check warnings or fault messages on System Control Panel or Fault codes
on the inverter information panel. If a message is displayed, record it before
doing anything further.
Attempt the solution indicated in below table.
Troubleshooting
Over Current Fault.
-Wait for about 10 seconds to check if the inverter is back
to normal.
-Disconnect the DC switch and restart the inverter.
-Or seek help from us.
Grid Lost Fault.
-Check if the mains cable is loose.
-Wait for a while and the system will reconnect when the
utility is back to normal.
-Or seek help from us.
Grid Voltage Out of Range.
-Check if the mains cable is loose.
-Wait for a while and the system will reconnect when the
utility is back to normal.
-Or seek help from us.
Grid Frequency Out of Range.
-Wait for a while and the system will reconnect when the
utility is back to normal.
-Or seek help from us.
PV Voltage Fault.
-Check whether the PV is overvoltage.
-Or seek help from us.
DC Bus Voltage Out of Normal Range.
-Check if the PV input voltage is within the operating
range of the inverter.
-Disconnect PV wiring and reconnect.
-Or seek help from us.
Ÿ Error Logs
The Error log contains error information happened. It can record six items at
most. Press ”Up“ and “Down” button to review parameter. Long press “ ” to Up
return to .the main interface
Ÿ About
This interface shows information of the inverter, include “Product SN”,
“Master”, “Manager” and “Internal Code”.
Error Logs
>
No error
About
Product SN:
XXXXX X XXXXXXXX
﹦ ﹦ ﹦ ﹦ ﹦ ﹦ ﹦ ﹦
﹦ ﹦ ﹦ ﹦ ﹦ ﹦ ﹦ ﹦
Ÿ Meter Energy
The user can check the import and export energy by this function. There are
four parameters: “Today Import”, “Total Import”, “Today Export”, “Total Export”.
Press “Up” and “Down” to review the values.
Today Import:
0.0kWh
Meter Energy
﹦ ﹦ ﹦ ﹦ ﹦ ﹦ ﹦ ﹦
q) Modbus Function
Select “EV Charger” for communication with the EV-Charger, select “COM485”
for communication with other devices.
Function Select
EV Charger
Modbus Function
﹦ ﹦ ﹦ ﹦
﹦ ﹦ ﹦ ﹦
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