@Salad Hi, May I know the model number of the two devices? And please also provide me with the topology of your network and a screenshot of the error message.

@Carloos Hi, Here is the link for you. Contact TP-Link support

@Satyadarshin Hi, If the power light is unstable on the powerline unit and reset cannot help, please test with different power sockets. If the issue still exists, please contact the local support to...

@sk2140 @MalusPumila @ZIN-G Hi, Thanks for your feedback. I have sent you the beta firmware via email, please check whether it can help with your issue and any feedback is welcome. For other users...

@Don_P Hi, Thank you so much for your information. I've created a support ticket via your registered email address, and escalated it to our support engineer to look into the issue. The ticket ID is...

@Don_P Hi, Thanks for your information. I mean how do you connect the Deco units and whether there are any other devices in the network as well. You can describe it like this: modem--Deco B85(router...