The inverter is not connected to FusionSolar troubleshooting guide

Introduction

This article is created to solve the problem of connecting to the FusionSolar management system.

Issue description

The inverter is connected to the router but failed to connect to the FusionSolar management system.

Diagnostic tools

• Installer access to FusionSolar APP;

• The router has an internet connection;

• You have access to router settings.

Troubleshooting steps

First, you need to check the connection settings to the monitoring system.
After local connection to inverter and installer authorization in FusioSolar APP:

Step 1: Click Settings > Communication parameters > Management system settings

The domain name should be checked and set.

How to change the domain name PVMS?

It could be the cause of the router blocking the connection.

Time to check the router settings

Step 2: Settings > NAT Forwarding > Enable UPnP (Universal Plug and Play)

Verify the inverter connection to the management system in the FusionSolar APP.

An alternating method is described in Step3

Step 3: Settings > NAT Forwarding > Port Triggering > Add

Apply the port 27250 settings shown in the screenshot above.

Verify the inverter connection to the management system in the FusionSolar APP.

Conclusion

Summarizing the above steps, if a problem with connecting to the monitoring server is detected, it is necessary to:

• Check domain name

• Check whether the link is accessible through the router.

• If not, open access to the link through router settings

Contact us

If you encounter any issues with your product, reach out to our support directly for assistance. You can find our contact information here.