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Tips for Erratic Heart Rate Data

If the heart rate data is erratic or does not appear, you can try these tips. For more information on your heart rate sensor, go to garmin.com/heartrate.

  • Clean and dry your arm before putting on the watch.
  • Avoid wearing sunscreen, lotion, and insect repellent under the watch.
  • Avoid scratching the heart rate sensor on the back of the watch.
  • Wear the watch above your wrist bone. The watch should be snug but comfortable.
  • Warm up for 5 to 10 minutes and get a heart rate reading before starting your activity.
    NOTE: In cold environments, warm up indoors.
  • Rinse the watch with fresh water after each workout.
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October 2026
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