EO Charging
Overheating of Internal Components
EO charger enclosure feels unusually hot to the touch during or after 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
Loose power terminals causing resistive heating, Undersized supply cable, Blocked ventilation or direct sun exposure, Failing contactor or PCB power components
How to Fix / Troubleshooting
Safety first: If the enclosure is too hot to touch comfortably or you smell burning, isolate power immediately and do not use the charger until inspected.
- Check installation environment: Ensure the charger is not installed in direct sunlight or a confined, unventilated space. Provide shading or ventilation if necessary.
- Inspect internal terminations: With power off, open the enclosure and check all line and neutral terminals for tightness. Look for discoloration or melted insulation.
- Verify cable size: Confirm that the supply cable size matches EO's installation requirements for the configured current.
- Reduce current limit: Temporarily lower the maximum charging current via the EO app and observe whether temperatures improve.
- Replace overheated parts: Any contactor, terminal block, or wiring showing heat damage should be replaced. Persistent overheating may require PCB replacement.
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Repair Difficulty
Hard
4/5
Required Part
Power terminal block
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