GoCable Potential Difference / Grounding Issue

User receives mild tingling when touching metal parts near the charger or vehicle while 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

Improper bonding of charger chassis, Faulty home grounding system, Neutral‑ground voltage on supply, Leakage current not properly diverted

How to Fix / Troubleshooting

Critical safety warning: Any shock sensation is serious. Stop using the charger immediately.

  • Shut off power: Turn off the EVSE breaker and do not use the charger until inspected.
  • Check bonding: Have a qualified electrician verify that the GoCable chassis is properly bonded to the equipment grounding conductor.
  • Test ground system: The home's grounding and bonding should be tested, including ground rods and main bonding jumper.
  • Measure touch voltage: A technician should measure voltage between the charger chassis, vehicle body, and true earth.
  • Correct wiring and replace faulty parts: Fix any grounding issues and, if necessary, replace the RCD / ground fault sensor module or main control board if they fail to detect leakage.
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Repair Difficulty

Professional Required 5/5

Required Part

Ground / Earth Harness
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