Mammotion
Mammotion 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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E001
Robot mower will not start mowing; display shows E001 shortly after power-on
Emergency Stop / Main Power Interlock Triggered
E002
Robot mower displays E002 and shuts down when leaving the charging station
Battery Voltage Too Low / Battery Protection
E003
Mower shows E003 and stops; will not detect or follow the boundary wire
Boundary Wire Signal Lost
E004
Robot mower displays E004 and stops shortly after starting to mow
Lift Sensor Activated / Mower Lifted
E005
Mower shows E005 and stops when tilted or on a slope; sometimes appears on flat ground
Tilt Sensor Fault
E006
Robot mower displays E006 and blades will not spin
Blade Motor Overload / Stall
E007
Mower shows E007 and stops moving; wheels do not turn
Drive Motor Overload / Stall
E008
Display shows E008; mower refuses to start and reports obstacle or bumper error
Front Bumper / Obstacle Sensor Stuck
E009
Mower shows E009 and stops; often occurs when reversing or turning
Wheel Encoder / Speed Sensor Error
E010
Robot mower displays E010 and will not charge on the base station
Charging Station Communication / Docking Error
E011
Mower shows E011; app reports GPS signal lost or RTK base not found (for RTK-equipped Mammotion models)
RTK / GPS Positioning Error
E012
Display shows E012; mower reports ultrasonic sensor error or obstacle detection fault
Ultrasonic Obstacle Sensor Failure
E013
Mower shows E013 and stops; app indicates IMU or orientation sensor error
IMU (Inertial Measurement Unit) Communication Fault
E014
Robot mower displays E014; app indicates overcurrent or short circuit in blade motor
Blade Motor Short / Overcurrent Protection
E015
Mower shows E015; app reports left wheel motor error
Left Drive Motor Electrical Fault
E016
Mower shows E016; app reports right wheel motor error
Right Drive Motor Electrical Fault
E017
Display shows E017; mower reports overtemperature and shuts down
System Overtemperature Protection
E018
Mower shows E018; app indicates rain sensor error or moisture sensor fault
Rain / Moisture Sensor Failure
E019
Robot mower displays E019; app reports boundary signal interference
Boundary Signal Interference / Distortion
E020
Mower shows E020; app indicates internal communication error between modules
CAN / Internal Bus Communication Fault
Symptom
Robot mower display or app shows incorrect time or schedule, causing mowing at wrong hours
Real-Time Clock / Scheduling Error
Symptom
Robot mower does not return to the charging station and stops in the yard with low battery
Docking / Homing Failure
Symptom
Robot mower emits a burning smell during operation
Overheating Component / Electrical Insulation Breakdown
Symptom
Robot mower frequently gets stuck on small obstacles, roots, or uneven ground
Ground Clearance / Traction Limitation
Symptom
Robot mower frequently loses connection to the Mammotion app or Wi‑Fi network
Wireless Connectivity Instability
Symptom
Robot mower is excessively noisy during operation, with grinding or rattling sounds
Mechanical Noise / Bearing or Gear Wear
Symptom
Robot mower is unstable on slopes, slipping or sliding downhill
Insufficient Traction on Slopes
Symptom
Robot mower leaves clumps of grass and the underside is heavily packed with wet clippings
Deck Clogging / Poor Discharge
Symptom
Robot mower leaves the charging station but stops after a short distance with no error code, then returns to base
Battery Capacity Degradation
Symptom
Robot mower leaves uncut strips of grass and misses areas within the working zone
Coverage Pattern / Navigation Inefficiency
Symptom
Robot mower occasionally runs beyond the boundary wire and leaves the lawn area
Boundary Detection Weak / Miscalibrated
Symptom
Robot mower occasionally shuts down after hitting small obstacles, even though bumper seems fine
Overly Sensitive Collision Detection
Symptom
Robot mower randomly reboots during operation without showing a specific error code
Intermittent Power / Reset Issue
Symptom
Robot mower runs but cuts grass unevenly, leaving scalped patches and tall tufts
Uneven Cutting Height / Deck Leveling Issue
Symptom
Robot mower shows signs of water inside the housing after heavy rain or washing
Water Ingress / Seal Failure
Symptom
Robot mower vibrates excessively, especially when the blade motor is running
Imbalanced Blade System
Symptom
Robot mower will not power on at all; no lights or display
No Power / Dead Mower
Symptom
Robot mower's display or control panel does not respond to button presses
User Interface / Keypad Failure
Symptom
Robot mower's front wheels do not swivel freely, causing poor turning and scuffing the lawn
Front Caster Wheel Seizure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E001 |
Robot mower will not start mowing; display shows E001 shortly after power-on
|
Emergency Stop / Main Power Interlock Triggered | View Details |
| E002 |
Robot mower displays E002 and shuts down when leaving the charging station
|
Battery Voltage Too Low / Battery Protection | View Details |
| E003 |
Mower shows E003 and stops; will not detect or follow the boundary wire
|
Boundary Wire Signal Lost | View Details |
| E004 |
Robot mower displays E004 and stops shortly after starting to mow
|
Lift Sensor Activated / Mower Lifted | View Details |
| E005 |
Mower shows E005 and stops when tilted or on a slope; sometimes appears on flat ground
|
Tilt Sensor Fault | View Details |
| E006 |
Robot mower displays E006 and blades will not spin
|
Blade Motor Overload / Stall | View Details |
| E007 |
Mower shows E007 and stops moving; wheels do not turn
|
Drive Motor Overload / Stall | View Details |
| E008 |
Display shows E008; mower refuses to start and reports obstacle or bumper error
|
Front Bumper / Obstacle Sensor Stuck | View Details |
| E009 |
Mower shows E009 and stops; often occurs when reversing or turning
|
Wheel Encoder / Speed Sensor Error | View Details |
| E010 |
Robot mower displays E010 and will not charge on the base station
|
Charging Station Communication / Docking Error | View Details |
| E011 |
Mower shows E011; app reports GPS signal lost or RTK base not found (for RTK-equipped Mammotion models)
|
RTK / GPS Positioning Error | View Details |
| E012 |
Display shows E012; mower reports ultrasonic sensor error or obstacle detection fault
|
Ultrasonic Obstacle Sensor Failure | View Details |
| E013 |
Mower shows E013 and stops; app indicates IMU or orientation sensor error
|
IMU (Inertial Measurement Unit) Communication Fault | View Details |
| E014 |
Robot mower displays E014; app indicates overcurrent or short circuit in blade motor
|
Blade Motor Short / Overcurrent Protection | View Details |
| E015 |
Mower shows E015; app reports left wheel motor error
|
Left Drive Motor Electrical Fault | View Details |
| E016 |
Mower shows E016; app reports right wheel motor error
|
Right Drive Motor Electrical Fault | View Details |
| E017 |
Display shows E017; mower reports overtemperature and shuts down
|
System Overtemperature Protection | View Details |
| E018 |
Mower shows E018; app indicates rain sensor error or moisture sensor fault
|
Rain / Moisture Sensor Failure | View Details |
| E019 |
Robot mower displays E019; app reports boundary signal interference
|
Boundary Signal Interference / Distortion | View Details |
| E020 |
Mower shows E020; app indicates internal communication error between modules
|
CAN / Internal Bus Communication Fault | View Details |
| – |
Robot mower display or app shows incorrect time or schedule, causing mowing at wrong hours
|
Real-Time Clock / Scheduling Error | View Details |
| – |
Robot mower does not return to the charging station and stops in the yard with low battery
|
Docking / Homing Failure | View Details |
| – |
Robot mower emits a burning smell during operation
|
Overheating Component / Electrical Insulation Breakdown | View Details |
| – |
Robot mower frequently gets stuck on small obstacles, roots, or uneven ground
|
Ground Clearance / Traction Limitation | View Details |
| – |
Robot mower frequently loses connection to the Mammotion app or Wi‑Fi network
|
Wireless Connectivity Instability | View Details |
| – |
Robot mower is excessively noisy during operation, with grinding or rattling sounds
|
Mechanical Noise / Bearing or Gear Wear | View Details |
| – |
Robot mower is unstable on slopes, slipping or sliding downhill
|
Insufficient Traction on Slopes | View Details |
| – |
Robot mower leaves clumps of grass and the underside is heavily packed with wet clippings
|
Deck Clogging / Poor Discharge | View Details |
| – |
Robot mower leaves the charging station but stops after a short distance with no error code, then returns to base
|
Battery Capacity Degradation | View Details |
| – |
Robot mower leaves uncut strips of grass and misses areas within the working zone
|
Coverage Pattern / Navigation Inefficiency | View Details |
| – |
Robot mower occasionally runs beyond the boundary wire and leaves the lawn area
|
Boundary Detection Weak / Miscalibrated | View Details |
| – |
Robot mower occasionally shuts down after hitting small obstacles, even though bumper seems fine
|
Overly Sensitive Collision Detection | View Details |
| – |
Robot mower randomly reboots during operation without showing a specific error code
|
Intermittent Power / Reset Issue | View Details |
| – |
Robot mower runs but cuts grass unevenly, leaving scalped patches and tall tufts
|
Uneven Cutting Height / Deck Leveling Issue | View Details |
| – |
Robot mower shows signs of water inside the housing after heavy rain or washing
|
Water Ingress / Seal Failure | View Details |
| – |
Robot mower vibrates excessively, especially when the blade motor is running
|
Imbalanced Blade System | View Details |
| – |
Robot mower will not power on at all; no lights or display
|
No Power / Dead Mower | View Details |
| – |
Robot mower's display or control panel does not respond to button presses
|
User Interface / Keypad Failure | View Details |
| – |
Robot mower's front wheels do not swivel freely, causing poor turning and scuffing the lawn
|
Front Caster Wheel Seizure | View Details |
No matching codes found
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