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Introduction

Polar is producing fine gear for athletes giving them the information about their training. Usually only delivered Polar software lacks of updates but with the cadence Sensor same as the speed sensor, Polar managed to make a simple battery change a mess. I’ll show you how to successfully change the battery of the POLAR CADENCE SENSOR BLUETOOTH® SMART.

  1. Removed Cadence Senosor from frame
    • Removed Cadence Senosor from frame

  2. Either use hacksaw or Dremel to cut open downside of the sensor. Use the carve of the body for guidance. Either use hacksaw or Dremel to cut open downside of the sensor. Use the carve of the body for guidance. Either use hacksaw or Dremel to cut open downside of the sensor. Use the carve of the body for guidance.
    • Either use hacksaw or Dremel to cut open downside of the sensor. Use the carve of the body for guidance.

  3. After cutting the downside, sensor can easily be opened. Remove circuit board with care not to break the pin. Remove copper clamp with tweezers. After cutting the downside, sensor can easily be opened. Remove circuit board with care not to break the pin. Remove copper clamp with tweezers. After cutting the downside, sensor can easily be opened. Remove circuit board with care not to break the pin. Remove copper clamp with tweezers.
    • After cutting the downside, sensor can easily be opened. Remove circuit board with care not to break the pin. Remove copper clamp with tweezers.

  4. Replace battery
    • Replace battery

    • Move magnet close to diode. Flashing indicates successful replacement

  5. Glue it up (maybe nicer than I did) Glue it up (maybe nicer than I did)
    • Glue it up (maybe nicer than I did)

    • Second functional test with glued chasis

Conclusion

To reassemble your device, follow these instructions in reverse order

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Sebastian Stechl

Membre depuis le 20/04/2014

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