Ohme
Overheating Connector / High Contact Resistance
Ohme charger is charging but the tethered cable or plug becomes excessively hot to the touch.
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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
Worn or loose contacts in Type 2 plug, Corroded pins increasing resistance, Undersized or damaged tethered cable, Poor contact in vehicle inlet
How to Fix / Troubleshooting
Critical safety: Overheating connectors can lead to melting or fire. Stop using the charger immediately if the plug is too hot to hold.
- 1. Stop charging: Use the app or vehicle to stop the charge, then unplug once safe.
- 2. Inspect plug: Look for discoloration, melting, or deformation of the plastic around the pins. Any such damage means the cable must be replaced.
- 3. Check vehicle inlet: Inspect the vehicle's charge port for similar signs of heat damage or contamination.
- 4. Reduce current: Until inspected, if you must charge, reduce the current in the Ohme app and monitor temperature closely. This is only a temporary measure.
- 5. Replace components: A technician should replace the tethered cable assembly if the plug contacts are worn or damaged. If the vehicle inlet is at fault, contact the vehicle dealer.
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Repair Difficulty
Medium
3/5
Required Part
Tethered Type 2 Charge Cable Assembly
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