E11
Robomow
Blade Motor Overcurrent / Short Circuit
Robomow shows E11 and stops, often when the blade is starting or under heavy load.
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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
Shorted blade motor windings, Damaged blade motor cable, Water ingress into blade motor, Faulty motor driver on main board
How to Fix / Troubleshooting
Safety first: Turn the mower OFF and disconnect from the base station. Wear gloves when working near the blade.
- Visual inspection: Turn the mower on its side and inspect the blade motor area for signs of burning, melted plastic, or moisture.
- Check motor cable: Follow the cable from the blade motor into the chassis. Look for cuts, crushed sections, or exposed wires. Do not operate the mower with damaged insulation.
- Dry the unit: If the mower was recently washed or used in heavy rain, allow it to dry indoors for 24 hours before retrying.
- Test without load: With the blade removed (following the manual), attempt to start the mower. If E11 still appears, the motor or driver is likely faulty.
- Do not bypass fuses: Overcurrent protection is critical. If E11 persists, have the blade motor and main board tested and replaced by a professional.
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Repair Difficulty
Hard
4/5
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