E18
Hecht
Overtemperature Protection
Robot mower shows E18 and stops; may indicate overtemperature.
Advertisements
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.
Advertisements
Possible Causes
Mower operating in direct sun at high ambient temperature, Blocked ventilation around electronics, Overloaded motors generating excess heat, Faulty temperature sensor on main board
How to Fix / Troubleshooting
Safety first: Turn OFF the mower and move it to a shaded, cool area.
- Allow to cool: Let the mower sit powered OFF for at least 30–60 minutes.
- Check ventilation: Inspect vents and cooling slots for dust, grass, or spider webs. Clean with a soft brush.
- Adjust schedule: Program mowing times for early morning or late evening to avoid peak heat.
- Inspect for overload: If the mower is frequently cutting very tall or wet grass, raise the cutting height and mow more often.
- If E18 appears even when cool: The Temperature Sensor or main board may be faulty and should be tested and replaced by a technician.
Advertisements
Repair Difficulty
Medium
3/5
Required Part
Temperature Sensor on Main Control Board
Check Price on Amazon
We may earn a commission from links on this page.
Advertisements