E13
AL-KO
Lift Sensor Calibration or Fault
AL-KO robot mower displays E13 and stops when lifted or carried.
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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
Lift sensor out of calibration, Loose mounting screws, Internal sensor failure, Damaged wiring harness to safety board
How to Fix / Troubleshooting
Safety first: Always turn off the main switch before lifting the mower. Never bypass lift safety functions.
- Reset mower: Place the mower on a flat surface, turn it off, wait 30 seconds, then turn it back on. Some models auto-calibrate the lift sensor at startup.
- Check mounting: Remove the top cover and locate the lift sensor module. Tighten any loose screws and ensure the sensor is firmly attached to the chassis.
- Inspect harness: Follow the cable from the lift sensor to the safety or main PCB. Check for pinched or broken wires and reseat the connector.
- Software reset: If your AL-KO model supports it, perform a factory reset from the menu (note: this may erase schedules). Then test again.
- Replace sensor: If E13 persists despite correct mounting and wiring, replace the lift sensor module with an original AL-KO part.
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Repair Difficulty
Medium
3/5
Required Part
Lift Sensor Module
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