NRGkick
Mechanical Vibration / Electrical Noise from Relays or Coils
Charger body or cable makes unusual buzzing, humming, or clicking noises during operation.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Loose main contactor or relay, Magnetostriction in power inductors, Loose mounting of internal components, Slightly loose mains plug causing vibration
How to Fix / Troubleshooting
Safety first: Some faint hum is normal, but loud or new noises should be investigated.
- 1. Identify source:
- Listen closely to determine whether the noise comes from the charger body, plug, or outlet.
- 2. Check mechanical fit:
- Ensure the plug and adapters are fully seated and not vibrating in a loose socket.
- 3. Monitor temperature and operation:
- If noise is accompanied by overheating or intermittent operation, stop using the charger.
- 4. Professional inspection:
- Internal relays or inductors may need tightening or replacement.
- Contact NRGkick support for service.
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Repair Difficulty
Medium
3/5
Required Part
Main Contactor / Power Inductor Assembly
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