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KNX Gateways for Inverters / INV-KNX GoodWe User Manual

Troubleshooting

Diagnostic checks, Factory Default Reset and KNX administration for the INV-KNX GoodWe gateway.

elausys · 18 September 2026
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SymptomChecks
Gateway webpage unavailableCheck auxiliary supply, Ethernet cable, Network LED, IP address and subnet. Factory IP: 192.168.1.51.
Network on but Connected offCheck inverter connection setup, server address, matching TCP port, Unit ID and ETS inverter model. See Sections 4-6.
Connected on but no KNX valuesCheck KNX connection, physical address, application download and group addresses. Wait for the polling interval.
Battery or meter values missingCheck installed equipment, ETS parameters and object availability in Section 8.
Power direction seems reversedCompare the value with the actual equipment state and the sign conventions in Sections 7 and 8.
Module status is non-zeroRead the status, check communication settings and provide the code and firmware version to Elausys support.

Factory Default Reset

To restore the factory defaults, toggle KNX programming mode four times in succession within 30 seconds using the KNX programming button on the front of the gateway. On the fourth toggle, the Network status LED flashes three times before the module resets. All parameters, including network settings, return to their default configuration. The gateway is then accessible at its fixed IP address, 192.168.1.51. The ETS application remains loaded and does not need to be downloaded again.

KNX status and programming mode

The gateway administration page also displays the KNX bus status and allows you to switch KNX programming mode on or off.

Manual navigation

All chapters of the INV-KNX GoodWe user manual

Frequently Asked Questions

What should I check if Network is on but Connected is off?

Check the inverter communication setup, server address, TCP port, Unit ID and ETS inverter model. A physical Ethernet link alone does not establish inverter communication.

What should I check if Connected is on but KNX values are missing?

Check the KNX connection, physical address, application download and group addresses. Allow the configured polling interval and confirm that the requested measurement is supported.

How do I perform a Factory Default Reset?

Toggle KNX programming mode four times within 30 seconds using the front-panel KNX programming button. On the fourth toggle, the Network status LED flashes three times before the gateway resets.

What happens to the settings and ETS application after a reset?

All parameters, including network settings, return to their defaults. The gateway is accessible at 192.168.1.51. The ETS application remains loaded and does not need to be downloaded again.

Can I check KNX bus status and change programming mode from the administration page?

Yes. The gateway administration page displays the KNX bus status and lets you switch KNX programming mode on or off.

Keep exploring

Find the other guides for this product in the documentation.

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