E6
Hecht
Drive Motor Overload / Stall
Robot mower displays E6 and stops; one or both drive wheels do not turn.
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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
Grass or debris jammed in wheel, Worn wheel bearings, Faulty drive motor, Loose or damaged drive motor cable
How to Fix / Troubleshooting
Safety first: Turn OFF the main power and remove the mower from the lawn.
- Inspect wheels: Check both rear drive wheels for stones, branches, or packed mud between the wheel and chassis. Remove debris with a brush or tool.
- Spin wheels by hand: With power OFF, rotate each wheel. They should turn smoothly. If one is stiff or grinding, the wheel bearing or motor gearbox may be failing.
- Check tire condition: Worn or damaged tires can cause slipping and overload. Replace the Drive Wheel Assembly if the tread is badly worn.
- Test on flat ground: Place the mower on a flat, dry surface and start a manual mow or test mode. Observe which wheel fails to move.
- If E6 recurs on the same side: The corresponding Drive Motor or its wiring harness is likely faulty. A technician should measure motor current and replace the motor if it overheats or is open‑circuit.
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Repair Difficulty
Hard
4/5
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