Troubleshooting Guide

Sensor not in Bluetooth list:

Ensure sensor is ON (yellow LED), only one sensor broadcasting, Bluetooth enabled on computer.

Windows 11: Change Bluetooth devices discovery from Default to Advanced.

Reset: Hold ON/OFF for 11 seconds, then power on (hold 2 seconds).

Won't turn on: Connect to charger, wait a few minutes, try again.

Basic calibration fails: Disconnect, restart sensor, ensure flat stable surface, don't touch during calibration.

Advanced calibration fails: Restart process, rotate slowly, stay away from metal/electronics.

Below 10%: Recharge before assessment.

Below 2%: Sensor turns off automatically.

Red LED flashing 8x/second: Battery overheating. Stop charging, allow to cool, contact NeckCare.

Disconnect other Bluetooth devices. Keep RF equipment 30+ cm away. Relocate away from interference sources.

Email: support@neckcare.com | Website: www.neckcare.com

This article provides guidance for diagnosing and resolving common NeckCare sensor issues, including Bluetooth connectivity, calibration errors, battery and charging problems, and wireless interference.