Ohme
Intermittent Supply or Thermal Cut-Out
Ohme charger starts charging but stops after a few minutes with no clear error code; vehicle may show 'charging interrupted'.
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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
Overheating of internal components triggering protection, Loose supply connection causing voltage dips, Oversensitive RCD/RCBO upstream, Poor Wi‑Fi causing smart schedule interruptions
How to Fix / Troubleshooting
Safety: Repeated interruptions accompanied by heat or smell of burning require immediate isolation.
- 1. Check for heat: After an interrupted session, carefully feel the charger casing and supply cable. It should be warm at most, not hot. If hot, stop using and call an electrician.
- 2. Try lower current: In the Ohme app, reduce the maximum current (e.g. from 32A to 16–20A) and see if the charge completes.
- 3. Observe consumer unit: Watch for any tripping of the MCB/RCBO when the charge stops. If it trips, an electrician must investigate the circuit.
- 4. Disable complex schedules: Temporarily disable smart tariffs or complex schedules and run a simple 'charge now' to rule out software interruptions.
- 5. Professional checks: If the issue persists, a technician should check internal terminations, thermal sensors, and the main contactor for signs of overheating or intermittent operation.
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Repair Difficulty
Medium
3/5
Required Part
Main Power Contactor Assembly
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