Spectrum Modem US/DS lights blinking Light — Meaning & Fixes

US/DS lights blinking on Spectrum Modem: On cable modems like the Spectrum Modem, the US (upstream) and DS (downstream) lights blinking together mean the modem is scanning for and locking onto the Spectrum cable signal..

On cable modems like the Spectrum Modem, the US (upstream) and DS (downstream) lights blinking together mean the modem is scanning for and locking onto the Spectrum cable signal.

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Most likely causes

Try this first

  1. Wait up to 10 minutes for the lights to lock solid
  2. Finger-tighten the coax cable on the Spectrum Modem
  3. Check for damaged coax or splitters
  4. Power-cycle the Spectrum Modem
  5. Check Spectrum outage status
  6. If US/DS never lock, contact Spectrum — signal or provisioning issue

Affects these models

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