Troubleshooting - ZyXEL Communications ONU-6040BBF-22 - V1.00 User Manual

Troubleshooting

1. The PWR light is not on when I connect power to the
ONU-6040BF-2x.
• Check that the power source is turned on.
• You might be using the wrong power adaptor. Use
the included power adaptor only.
• If you are using the correct power adaptor,
disconnect and re-connect the power adaptor to
turn on the ONU-6040BF-2x again.
• If the PWR light is still not on, use a different
power outlet.
• If the problem continues, contact your local
vendor.
2. The PON light is off.
• Check the connector on the optical cable and the
PON port. Make sure they are clean and dust-free.
Use an air duster to clean the connectors. Do
NOT use a wet cloth to clean the connectors.
• Check the optical cable. Make sure it is not
broken. If the cable is broken, contact your service
provider to have the cable/connector replaced. Do
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