E18
LandXcape
Main Control Board / Firmware Fault
Robot mower shows E18 and stops with a general 'System Error' or 'Internal Error' message.
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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
Corrupted firmware, Internal main PCB failure, Moisture damage on control board, Loose internal connectors
How to Fix / Troubleshooting
Safety first: Turn OFF the mower and remove the battery before opening the housing.
- Power cycle: Switch OFF the main power, wait 60 seconds, then switch ON again. Sometimes a full power reset clears transient errors.
- Inspect for moisture: Open the top cover and inspect the main PCB for signs of moisture, corrosion, or insect nests. If wet, allow the board to dry completely in a warm, dry environment (no direct heat) for 24 hours.
- Check connectors: Reseat all multi‑pin connectors on the main board (battery, motors, sensors, display). Ensure each clicks into place.
- Firmware update: If your model supports it, update the firmware via the LandXcape app or service tool following official instructions.
- Board replacement: If E18 persists after drying, reseating, and updating, the main PCB is likely defective and should be replaced with a genuine LandXcape main control board by a qualified technician.
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Repair Difficulty
Professional Required
5/5
Required Part
LandXcape Main Control Board
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