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Found Cadence Beep

After approx 15 mins of cycling my 820 starts beeping and saying 8******* found which is the cadence sensor. I tried new batteries in the sensor which didn’t help so I tried a new sensor and the problem continued. Both sensors work perfect on a different Garmin. I’m guessing it must be a software issue. Please help.

  • Today all my sensors started to do this. Speed, cadence and heart rate sensors beeping like crazy every 15 second. Found, lost, found lost. Maybe because of indoor practice on a bkool home trainer that also uses the sensors? But again, nothing has changed since the last time I have done indoor training with the same equipment but with a new firmware on the Garmin unit... Will try to disable Wifi next time, and see if it makes a difference.