Zencar
Circuit Breaker Tripping Under Load
Breaker feeding the Zencar charger trips immediately or shortly after starting a charge.
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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
Overcurrent due to incorrect charger current setting, Shorted output cable, Ground fault not detected quickly enough, Undersized breaker or shared circuit
How to Fix / Troubleshooting
Safety first: Repeated breaker tripping indicates a serious issue. Do not keep resetting without investigation.
- Check breaker and wiring size: Confirm the breaker rating and wire gauge match Zencar's installation requirements for your model and current setting.
- Reduce charger current: On adjustable models, lower the maximum current (e.g., from 32A to 16A) and see if the breaker still trips.
- Inspect cable and connector: Look for burn marks, melted plastic, or severe kinks in the output charging cable assembly and connector.
- Test with another EV: Rule out a vehicle-side short or fault by testing with a different EV if possible.
- If breaker still trips: Have an electrician test the circuit and a technician test the charger for internal shorts in the main power contactor or power path.
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Repair Difficulty
Hard
4/5
Required Part
Output Charging Cable Assembly
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