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Knowledge document #1155

Powerline connection drops frequently

The powerline connection between two or more FRITZ!Powerline devices drops frequently and the Powerline LED switches off.

Important:If the Connect LED flashes very slowly, then the powerline device is in standby mode. In this case, please note our information on the energy-saving features of FRITZ!Powerline.

Simply proceed as described below. After each measure, check whether the problem is solved.

1 Installing the latest firmware for the FRITZ!Powerline device

  1. Install the latest firmware on the FRITZ!Powerline device.

2 Restarting the FRITZ!Powerline device

  1. Start the FRITZ!Powerline software.
  2. In the FRITZ!Powerline software, double-click the symbol of the respective FRITZ!Powerline device.
  3. Click "Restart" in the section "Reset".

    Note:Restarting the FRITZ!Powerline device will not delete any of the settings.

3 Testing the FRITZ!Powerline devices in a power strip.

Test whether the powerline connection also drops when the FRITZ!Powerline devices are used in a power strip:

  1. Take two FRITZ!Powerline devices between which the powerline connection drops frequently and plug them both into a power strip.
  2. Remove all other devices from the power strip.
  3. If present, unplug all of the other powerline devices in your home network.
  4. Use a network cable to connect one of the two FRITZ!Powerline devices to your router (for example a FRITZ!Box).
  5. If the powerline connection does not drop while they are in the power strip, then the error was caused by interference in the home's power supply.

4 Reducing interference in the home's power supply

If the powerline connection is being affected by interference, observe the following to minimize the interference:

  1. Plug FRITZ!Powerline devices directly into a wall outlet and do not use them with a power strip with other devices, an extension cord, or behind a surge protector.
  2. For testing purposes, switch off other devices or briefly unplug them them to identify possible sources of interference and then minimize them.

    Examples of possible sources of interference are switch mode power supplies, dimmers, halogen systems and energy-saving lamps, as well as electric motors when they are running (for example in refrigerators, food processors, dryers, washing machines, vacuum cleaners, or drills).

  3. Test different wall outlets and reduce the distance between the FRITZ!Powerline devices.
  4. Avoid powerline connections on different phases, fuse boxes, and ground fault circuit interrupters (GFCI).
  5. VDSL signals can transmit interference to power lines. Note that cables with VDSL signals should be laid at least 10 cm away from electrical wiring and outlets.
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