During my usual morning jog, my Fitbit heart rate jumps erratically between high and low numbers. Why is it malfunctioning?

If your Fitbit heart rate jumps erratically during your morning jog, there are several possible explanations, and it does not always indicate a problem.

Factors such as a loose fit, movement artifacts, and sweat interference can all have an impact on heart rate reading accuracy. Ensure a snug fit, moisten the sensors, and keep the sensor surface clean to improve accuracy.

Other factors, such as hydration levels and exercise intensity changes, can also affect heart rate fluctuations.

It is critical to rule out these possibilities before assuming a malfunction. Monitoring heart rate readings during multiple jogs and comparing them to other methods, such as a chest strap monitor, can help determine whether the Fitbit is working properly.

If erratic patterns persist despite efforts to improve accuracy, additional investigation into potential malfunctions may be required.

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