This is general guidance based on the ChargeX MREC standard. Actual charger behavior varies by manufacturer and firmware version. Always follow on-screen instructions and contact the charging network if you are unsure.
Critical
An Isolation Monitoring Device tripped due to low resistance to the chassis during active charging. This indicates a potential electrical isolation issue.
What to do
- Unplug immediately. Do not retry on this charger
- Try a different charger
- Report the unit to the charging network
- If this happens with multiple chargers, contact your vehicle manufacturer
Who's responsible?
- This is likely a charger hardware issue
- This may be a vehicle issue
Technical details
- Error code
- ResistanceFault
- Category
- Electrical
- Classification
- safety
- Source
- ChargeX MREC Standard (2023)
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