ZyXEL PLA-491 User Manual download pdf (Page 74)

Chapter 7 LEDs and Troubleshooting

PLA-4xx Series User’s Guide

2 Your powerline adapters may be located close to large appliances such as refrigerators or

air-conditioners that cause interference with the powerline signal. Move the adapters

further away from such appliances to reduce interference.

3 Your powerline adapters may be placed close to electrical devices such as electrical

insect-killers which produce radio waves. These may interfere with the powerline

signals. Move the adapters further away from such electrical devices.

4 Your wiring may be old and/or low quality or with a long wiring path.

7.5 ENCRYPT Button Problems

This section applies only to PLA-4xxs with the ENCRYPT button.

V The HomePlug light is already on, but I haven’t pressed the ENCRYPT button

yet.

Your device has already connected to another powerline device. Press the ENCRYPT button

for more than 10 seconds to release the connection.

V The POWER light does not blink when I press the ENCRYPT button.

• Check the device is on.

• Press the ENCRYPT button again, making certain you have pressed the button for more

than one second and less than three seconds.

• The POWER light on some powerline devices do not blink as part of the ENCRYPT

process. Check your powerline device is a PLA-4xx.

V The POWER light blinks two times quickly then pauses, before repeating.

The ENCRYPT process has failed. Press the ENCRYPT button on both devices for more than

10 seconds, then try to reconnect.

V The POWER lights on both devices blink when I press the ENCRYPT buttons,

but the HomePlug light does not turn on.

• Ensure you have pressed the ENCRYPT button on both devices.

• Wait for about a minute while the devices set up a connection.

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ZyXEL PLA-491 User Manual Page 74