Enphase Overheating Component / Insulation Breakdown

Unusual burning, plastic, or electrical smell near the charger during or after charging.

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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

Overheated connector contacts, Failing power semiconductor in module, Overloaded wiring or loose lug, Internal arcing due to contamination

How to Fix / Troubleshooting

Fire hazard: Immediately stop using the charger.

  • Stop charging: Unplug the vehicle and turn OFF the breaker.
  • Do not restart: Do not attempt to charge again until the source of the smell is identified.
  • Visual check: Look for discoloration, soot, or melted plastic on the charger exterior, cable, and vehicle inlet.
  • Professional inspection: A technician should open the charger, inspect for burned components, test insulation, and replace any damaged boards, contactors, or wiring.
  • Verify circuit rating: Confirm with an electrician that the circuit and breaker are correctly sized for the charger's maximum current.
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Repair Difficulty

Professional Required 5/5

Required Part

Enphase EV Charger Power Module, Cable, or Internal Wiring
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