Press the button on the side of each PLC for at least 12 seconds, until the indicator light goes out.
Unplug both PLCs and remove the cables.
Reconnect both PLCs to 2 power sockets, preferably in the same room and even in the same circuit. Wait for 45 seconds.
Finally, press the button on the side of each PLC for 1 second. Wait until the indicator light is permanently white again.
Within two minutes, press the side button of the second PLC for one second. The indicators on the two PLCs will blink and then become white and steady again. Disconnect the PLCs.
You can now move the PLCs to the power outlet of your choice.
If possible, connect the power supply of your modem to the PLC or a power strip connected to the PLC. Do not connect the PLC to a power strip.
Reconnect the Ethernet cable from the PLC to your modem.
Reconnect the second PLC in the room of your choice.
If possible, connect the power supply of the device to the PLC or to a power strip connected to the PLC.
Wait until the indicator lights are constantly on, then test your Internet connection again.

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