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Troubleshooting an IR remote control

The other day, my Sonos Playbase speaker stopped responding to the volume control buttons on my Apple TV Siri Remote Control. Here’s how I eventually resolved the problem.

The source of the issue proved difficult to diagnose because infrared is (of course) invisible light. I couldn’t determine if the Sonos was no longer seeing infrared signals, or if the remote was no longer sending them.

  • I quickly determined that I hadn’t added any new nearby electronics or LED light bulbs that might be interfering with IR signals. A lesson I learned from a confounding situation several years ago.
  • Using the Sonos app, I temporarily re-programmed the Playbase to respond to a TV remote it had not been previously trained on. When I was able to successfully do so, this established that the Playbase’s IR receiver was working.
  • The Apple TV remote was still able to control the Apple TV, but that uses an RF connection, not IR. (Sadly, the Playbase is IR-only.) But this confirmed that the remote’s battery wasn’t dead. I recharged it anyway, under the theory that perhaps the light emitter had grown too dim. This didn’t resolve the problem.
  • The next step was to reboot the remote. Yes, that’s a thing. After doing so, the problem was resolved. Yay!

If you have a remote control that suddenly and inexplicably stops working, I hope these steps will help you in solving the problem.

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