If you notice the lights on your emWave2 or PSR continue to flicker or emit a faint glow even after you have powered the unit off, your device likely has a damaged internal charging circuit.
Below is an explanation of what causes this issue, how it affects your practice, and how you can continue to use your device.
Troubleshooting: Lights Flickering or Glowing After Power-Off
What is happening?
This specific symptom—lights that stay on or flicker after shutdown—indicates that a component in the internal charging circuit has failed. Because this circuit is “leaking” energy, the battery will deplete much faster than usual.
What caused the damage?
While this type of electronic failure is rare, it can be caused by several factors:
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Physical Shock: Dropping the unit on a hard surface.
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Environmental Exposure: Prolonged exposure to high humidity or moisture.
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Overheating: Leaving the unit in direct sunlight (such as on a car dashboard) or leaving it on a charger for extended periods beyond the recommended two hours.
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Incorrect Power Source: Plugging the unit into a non-standard charger. Note: Even a split-second connection to an incompatible charger can cause immediate and permanent circuit damage.
Can I still use my device?
Yes. The good news is that this failure typically does not affect the sensor’s ability to track your coherence.
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Plugged-In Use: The unit will function perfectly while plugged into your computer or its designated USB charger.
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Mobile Use: You can still use it as a handheld device, though you will notice it does not hold a charge for very long. You may need to charge it immediately before each session.
Preventative Care Tips
To protect the sensitive electronics in your emWave device:
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Use Official Cables Only: Always use the HeartMath-provided USB cable and a standard computer USB port or a verified Apple/HeartMath wall adapter.
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Follow the 2-Hour Rule: Do not leave your device on the charger for more than 2 hours.
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Store Safely: Keep the device in a cool, dry place and avoid leaving it in environments with extreme temperature fluctuations.