Hyundai
Contact Wear / Delayed Contactor Opening
Visible arcing or sparking when connecting or disconnecting the Type 2 plug.
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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
Worn contacts in vehicle inlet or Hyundai connector, Main contactor not opening before plug removal, Stuck relay on power board, Contaminants causing poor contact
How to Fix / Troubleshooting
Safety first: Stop using the charger immediately. Arcing can cause fire or equipment damage.
- Inspect plug and inlet: With power OFF, examine both sides for pitting, black marks, or melted plastic.
- Clean lightly: If only light discoloration is present, gently clean with a dry, lint‑free cloth. Do not use abrasives.
- Observe contactor behavior: A technician should verify that the main contactor opens before the vehicle unlocks the connector.
- Replace worn parts: Severely pitted connectors or a faulty contactor must be replaced. Do not attempt to file or repair contacts.
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Repair Difficulty
Hard
4/5
Required Part
Main Contactor / Type 2 Connector
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