Schneider Electric Unsafe Arcing at Connector

Visible arcing or sparking when connecting or disconnecting the charging connector.

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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

Contactor not opening before disconnection due to control fault, Welded contactor contacts, Damaged Type 2 connector pins, Incorrect wiring bypassing contactor

How to Fix / Troubleshooting

Safety first: Stop using the charger immediately. Turn off power at the main breaker. Do not reconnect the vehicle until the fault is resolved.

  • Inspect connector: With power OFF, examine the Type 2 plug and socket for burn marks, pitting, or melted plastic. Do not use if damage is present.
  • Check for DIY modifications: Ensure no one has modified the wiring to bypass the internal contactor or safety circuits.
  • Internal inspection: A qualified technician should open the charger, test the contactor for welding, and verify that the control logic opens the contactor before the connector can be removed.
  • Replace damaged parts: Replace any burnt connectors, the Schneider EVlink contactor, and potentially the control board if it fails to control the contactor correctly.
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Repair Difficulty

Professional Required 5/5

Required Part

Schneider EVlink Type 2 socket or tethered connector
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