Einhell
Einhell Robot Lawnmowers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E1
Robot lawnmower will not start mowing; display shows E1 shortly after power‑up.
Emergency Stop / Lift Sensor Triggered
E10
Robot lawnmower shows E10 and stops; display may indicate motor error.
Blade Motor Electrical Fault
E11
Robot lawnmower displays E11 and will not drive; steering or one wheel may not respond.
Drive Motor Electrical Fault
E12
Robot lawnmower shows E12 and stops; often after hitting a hard obstacle or curb.
Chassis Lift / Front Wheel Sensor Error
E13
Robot lawnmower displays E13 and refuses to start; keypad or buttons may not respond correctly.
Keypad / Control Panel Communication Error
E14
Robot lawnmower shows E14 and does not start; display may be blank or flicker.
Mainboard Power Supply Fault
E15
Robot lawnmower displays E15 and stops; often associated with erratic navigation or spinning in place.
Compass / Orientation Sensor Error
E16
Robot lawnmower shows E16 and stops; may occur when entering or leaving the charging station.
Charging Contact / Docking Error
E17
Robot lawnmower displays E17 and stops; may be accompanied by a message about wheel lift or slip.
Wheel Slip / Traction Loss Detected
E18
Robot lawnmower shows E18 and stops; may indicate sensor error in the manual.
Rain Sensor Fault
E19
Robot lawnmower displays E19 and stops; may be associated with boundary or search wire issues.
Search Wire / Guide Wire Error
E2
Robot lawnmower stops and displays E2; blades do not spin and mower will not move.
Blade Motor Overload / Blockage
E20
Robot lawnmower shows E20 and will not start; often after firmware update or power surge.
Software / Firmware Error
E3
Robot lawnmower displays E3 and stops; wheels may twitch but mower does not drive.
Drive Motor Overload / Wheel Blocked
E4
Robot lawnmower shows E4 and refuses to start mowing; often occurs when starting near a slope or obstacle.
Tilt / Over‑Incline Protection Triggered
E5
Robot lawnmower displays E5 and stops; often after hitting an obstacle or boundary.
Bumper / Collision Sensor Fault
E6
Robot lawnmower shows E6 and will not leave the charging station.
Boundary Wire Signal Not Detected
E7
Robot lawnmower displays E7 and stops near the charging station or boundary wire.
Boundary Wire Short / Interference Detected
E8
Robot lawnmower shows E8 and returns to the station or stops; often after long operation.
Battery Voltage Too Low / Battery Protection
E9
Robot lawnmower displays E9 and will not start; sometimes after storage or long inactivity.
Battery Overvoltage / Temperature Protection
Symptom
Robot lawnmower buttons do not respond or respond intermittently, but there is no keypad error code.
Keypad Contact Wear / Contamination
Symptom
Robot lawnmower cannot be found; it stopped somewhere in the garden without returning to the station and battery is empty.
Return‑to‑Home / Navigation Failure
Symptom
Robot lawnmower cuts unevenly, leaving uncut strips or scalped patches.
Uneven Cutting Height / Deck Misalignment
Symptom
Robot lawnmower display is very dim or unreadable, but the mower still operates.
LCD / Display Backlight Degradation
Symptom
Robot lawnmower does not start at all; no display, no LEDs, and no response when pressing buttons.
Complete Power Loss
Symptom
Robot lawnmower emits a burning smell or shows signs of overheating around the motor area.
Motor Overheating / Electrical Overload
Symptom
Robot lawnmower frequently gets stuck on small obstacles like tree roots, molehills, or lawn edges.
Ground Clearance / Obstacle Handling Issue
Symptom
Robot lawnmower frequently gets stuck on the charging station ramp or cannot dock properly.
Docking Alignment / Mechanical Obstruction
Symptom
Robot lawnmower is very noisy during operation, with grinding or rattling sounds from underneath.
Mechanical Wear in Blade Motor or Bearings
Symptom
Robot lawnmower leaves the charging station at incorrect times or ignores the programmed schedule.
Scheduling / Real‑Time Clock Error
Symptom
Robot lawnmower leaves the charging station but immediately turns around or wanders randomly, failing to follow the boundary.
Boundary Signal Weak / Misaligned Station
Symptom
Robot lawnmower leaves uncut grass around the edges of the lawn, even though the boundary wire is correctly placed.
Insufficient Edge Coverage
Symptom
Robot lawnmower makes loud clicking or knocking noises from the drive wheels while moving.
Drive Gearbox Wear / Broken Gear Teeth
Symptom
Robot lawnmower occasionally reboots by itself during operation without showing an error code.
Intermittent Power / Electronics Fault
Symptom
Robot lawnmower occasionally shuts down in the rain even though the rain sensor is disabled.
Moisture Ingress / Short in Low‑Voltage Circuits
Symptom
Robot lawnmower sometimes runs outside the boundary wire area without any boundary error code.
Boundary Detection Sensitivity / Signal Weakness
Symptom
Robot lawnmower sometimes stops with the message to 'lift and move' but no error code; occurs on slight slopes.
Over‑Sensitive Tilt / Lift Detection
Symptom
Robot lawnmower starts but stops after a few minutes without any error code; then returns to the station.
Reduced Battery Capacity / Early Low‑Voltage Cutoff
Symptom
Robot lawnmower vibrates excessively during operation, even on flat ground.
Unbalanced Cutting System
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Robot lawnmower will not start mowing; display shows E1 shortly after power‑up.
|
Emergency Stop / Lift Sensor Triggered | View Details |
| E10 |
Robot lawnmower shows E10 and stops; display may indicate motor error.
|
Blade Motor Electrical Fault | View Details |
| E11 |
Robot lawnmower displays E11 and will not drive; steering or one wheel may not respond.
|
Drive Motor Electrical Fault | View Details |
| E12 |
Robot lawnmower shows E12 and stops; often after hitting a hard obstacle or curb.
|
Chassis Lift / Front Wheel Sensor Error | View Details |
| E13 |
Robot lawnmower displays E13 and refuses to start; keypad or buttons may not respond correctly.
|
Keypad / Control Panel Communication Error | View Details |
| E14 |
Robot lawnmower shows E14 and does not start; display may be blank or flicker.
|
Mainboard Power Supply Fault | View Details |
| E15 |
Robot lawnmower displays E15 and stops; often associated with erratic navigation or spinning in place.
|
Compass / Orientation Sensor Error | View Details |
| E16 |
Robot lawnmower shows E16 and stops; may occur when entering or leaving the charging station.
|
Charging Contact / Docking Error | View Details |
| E17 |
Robot lawnmower displays E17 and stops; may be accompanied by a message about wheel lift or slip.
|
Wheel Slip / Traction Loss Detected | View Details |
| E18 |
Robot lawnmower shows E18 and stops; may indicate sensor error in the manual.
|
Rain Sensor Fault | View Details |
| E19 |
Robot lawnmower displays E19 and stops; may be associated with boundary or search wire issues.
|
Search Wire / Guide Wire Error | View Details |
| E2 |
Robot lawnmower stops and displays E2; blades do not spin and mower will not move.
|
Blade Motor Overload / Blockage | View Details |
| E20 |
Robot lawnmower shows E20 and will not start; often after firmware update or power surge.
|
Software / Firmware Error | View Details |
| E3 |
Robot lawnmower displays E3 and stops; wheels may twitch but mower does not drive.
|
Drive Motor Overload / Wheel Blocked | View Details |
| E4 |
Robot lawnmower shows E4 and refuses to start mowing; often occurs when starting near a slope or obstacle.
|
Tilt / Over‑Incline Protection Triggered | View Details |
| E5 |
Robot lawnmower displays E5 and stops; often after hitting an obstacle or boundary.
|
Bumper / Collision Sensor Fault | View Details |
| E6 |
Robot lawnmower shows E6 and will not leave the charging station.
|
Boundary Wire Signal Not Detected | View Details |
| E7 |
Robot lawnmower displays E7 and stops near the charging station or boundary wire.
|
Boundary Wire Short / Interference Detected | View Details |
| E8 |
Robot lawnmower shows E8 and returns to the station or stops; often after long operation.
|
Battery Voltage Too Low / Battery Protection | View Details |
| E9 |
Robot lawnmower displays E9 and will not start; sometimes after storage or long inactivity.
|
Battery Overvoltage / Temperature Protection | View Details |
| – |
Robot lawnmower buttons do not respond or respond intermittently, but there is no keypad error code.
|
Keypad Contact Wear / Contamination | View Details |
| – |
Robot lawnmower cannot be found; it stopped somewhere in the garden without returning to the station and battery is empty.
|
Return‑to‑Home / Navigation Failure | View Details |
| – |
Robot lawnmower cuts unevenly, leaving uncut strips or scalped patches.
|
Uneven Cutting Height / Deck Misalignment | View Details |
| – |
Robot lawnmower display is very dim or unreadable, but the mower still operates.
|
LCD / Display Backlight Degradation | View Details |
| – |
Robot lawnmower does not start at all; no display, no LEDs, and no response when pressing buttons.
|
Complete Power Loss | View Details |
| – |
Robot lawnmower emits a burning smell or shows signs of overheating around the motor area.
|
Motor Overheating / Electrical Overload | View Details |
| – |
Robot lawnmower frequently gets stuck on small obstacles like tree roots, molehills, or lawn edges.
|
Ground Clearance / Obstacle Handling Issue | View Details |
| – |
Robot lawnmower frequently gets stuck on the charging station ramp or cannot dock properly.
|
Docking Alignment / Mechanical Obstruction | View Details |
| – |
Robot lawnmower is very noisy during operation, with grinding or rattling sounds from underneath.
|
Mechanical Wear in Blade Motor or Bearings | View Details |
| – |
Robot lawnmower leaves the charging station at incorrect times or ignores the programmed schedule.
|
Scheduling / Real‑Time Clock Error | View Details |
| – |
Robot lawnmower leaves the charging station but immediately turns around or wanders randomly, failing to follow the boundary.
|
Boundary Signal Weak / Misaligned Station | View Details |
| – |
Robot lawnmower leaves uncut grass around the edges of the lawn, even though the boundary wire is correctly placed.
|
Insufficient Edge Coverage | View Details |
| – |
Robot lawnmower makes loud clicking or knocking noises from the drive wheels while moving.
|
Drive Gearbox Wear / Broken Gear Teeth | View Details |
| – |
Robot lawnmower occasionally reboots by itself during operation without showing an error code.
|
Intermittent Power / Electronics Fault | View Details |
| – |
Robot lawnmower occasionally shuts down in the rain even though the rain sensor is disabled.
|
Moisture Ingress / Short in Low‑Voltage Circuits | View Details |
| – |
Robot lawnmower sometimes runs outside the boundary wire area without any boundary error code.
|
Boundary Detection Sensitivity / Signal Weakness | View Details |
| – |
Robot lawnmower sometimes stops with the message to 'lift and move' but no error code; occurs on slight slopes.
|
Over‑Sensitive Tilt / Lift Detection | View Details |
| – |
Robot lawnmower starts but stops after a few minutes without any error code; then returns to the station.
|
Reduced Battery Capacity / Early Low‑Voltage Cutoff | View Details |
| – |
Robot lawnmower vibrates excessively during operation, even on flat ground.
|
Unbalanced Cutting System | View Details |
No matching codes found
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