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Modem Troubleshooting

PLDT Modem Troubleshooting – Restart Steps & Light Indicators (LOS / PON / Internet)

Most connection troubleshooting starts with a modem restart. This can resolve temporary sync issues after maintenance or short interruptions.

Recommended restart steps: 1) Power off your modem. 2) Wait 5 minutes. 3) Power it back on. 4) Wait for full synchronization.

How to read common warning signs:

  • LOS blinking/steady red: often indicates a fiber line signal issue.
  • Internet red/blinking: may indicate loss of authentication or connectivity.
  • PON warnings: commonly relate to fiber termination and signal status.

If the lights do not normalize after a restart, check repair status with the tracker and report through support channels.

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