Sungrow Inverter User Manual

About this manual

This manual provides guidance on troubleshooting common fault codes displayed on the inverter's LCD screen, including actions to resolve issues like grid voltage/frequency faults, DC arc faults, and component failures. It also outlines routine maintenance procedures such as data saving, visual inspections, cleaning, and electrical connection checks to ensure optimal inverter performance and safety.

What's inside

• Troubleshooting Fault Codes
• LCD Screen Fault Descriptions
• Routine Maintenance
• Data Saving
• System Cleaning
• Electrical Connection Inspection

Frequently asked questions

What should I do if the grid voltage exceeds the inverter’s allowable limit?

Check the grid voltage. If it exceeds permissible limits, contact the utility grid company. If within range, contact Sungrow Service Dept.

How do I handle a DC arc fault detected by the inverter?

The inverter will disconnect from the AC grid. Check the circuit and manually remove the fault by pressing ENTER.

What is the maintenance schedule for cleaning the inverter?

Clean the inverter enclosure and air inlet/outlet every six months to a year, depending on dust levels in the environment.