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E4 wristband troubleshooting
- E4 Led Guide (FW 3.0.1.6612 and higher)
- E4 data - BVP potential issues
- E4 data - BVP/PPG sensor test
- E4 data - EDA electrodes test
- E4 wristband doesn’t power up, what can I do?
- E4 Firmware upgrade aborted - E4 displays steady green LED
- Missing recorded E4 sessions
- E4 data - EDA potential issues
- When I plug the device into a USB port, no light turns on
- No light is turning on when I press the button
- What do I do when the LED light blinks red and green and it does not start recording?
- E4 Led Guide (FW 2.1.0.4911)
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