Bosch 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; display shows E001 immediately after power-on
Emergency Stop / Stop Button Active
E002
Robot mower shows E002 and will not start mowing cycle
Lift Sensor / Tilt Sensor Activated
E003
Display shows E003 and mower stops shortly after starting
Collision Sensor / Bumper Fault
E004
Robot mower shows E004 and does not move from starting position
Wheel Motor Blocked / Wheel Jam
E005
Mower displays E005 and blade disc does not spin
Cutting Motor Blocked / Overload
E006
Robot mower shows E006 and stops with blade disc free to turn by hand
Cutting Motor Current Sensor / Overcurrent Detection Fault
E007
Display shows E007 and mower refuses to start mowing cycle
Boundary Wire Signal Not Detected
E008
Mower shows E008 and stops near the boundary wire
Boundary Signal Disturbance / Interference
E009
Robot mower shows E009 and remains in the docking station
Charging Station Not Detected / Docking Contact Error
E010
Display shows E010, and the mower stops randomly on the lawn.
Low Battery Voltage / Battery Protection Triggered
E011
Mower shows E011 and refuses to start, often after long storage.
Battery Temperature Out of Range
E012
Display shows E012, and the mower does not move; this often occurs after impacts or on rough terrain.
Tilt Angle Too High / Rollover Detected
E013
Robot mower shows E013 and stops with wheels spinning or slipping.
Traction Loss / Wheel Slip Detected
E014
Mower shows E014 and cannot find its way back to the docking station.
Navigation System Error / GPS or Sensor Fault (Indego with Logicut)
E015
Display shows E015, and the mower stops near obstacles without touching them.
Ultrasonic / Obstacle Sensor Fault (on models with additional sensors)
E016
Robot mower shows E016 and reboots or freezes intermittently.
Main Control Board Overheating / Electronics Temperature Fault
E017
Display shows E017, and the mower cannot be operated via the keypad.
Keypad / User Interface Error
E018
Robot mower shows E018 and cannot communicate with the app or smart features.
Communication Module Error (e.g., GSM/Wi-Fi)
E019
Mower shows E019 and stops immediately when the blades start.
Blade Disc Imbalance / Excessive Vibration Detected
E020
Display shows E020, and the mower cannot be started with the PIN.
PIN Code / Security Lock Error
Symptom
Robot mower body is cracked or deformed after impact; operation is unreliable.
Chassis Structural Damage
Symptom
Robot mower display is very dim or unreadable, but the mower still operates.
LCD / Display Backlight Degradation
Symptom
Robot mower docking station LED is off, and the mower cannot charge.
Docking Station Power Loss
Symptom
Robot mower does not detect obstacles and collides hard with trees or walls.
Collision Bumper Not Working (No Code)
Symptom
Robot mower does not start at scheduled times, but can be started manually.
Scheduling / Real-Time Clock Issue
Symptom
Robot mower frequently gets stuck on small bumps, roots, or lawn edges.
Ground Clearance / Chassis Obstruction Issue
Symptom
Robot mower frequently loses boundary and drives outside the lawn area without showing a code.
Weak Boundary Signal / Marginal Installation
Symptom
Robot mower front wheels do not turn freely, causing poor steering and track marks.
Front Caster Wheel Seizure
Symptom
Robot mower is leaking oil or grease from the underside or wheel area.
Drive Gearbox Seal Failure
Symptom
Robot mower leaves clumps of grass and cuts unevenly, but runs without errors.
Dull or Damaged Blades
Symptom
Robot mower leaves uncut strips of grass and misses areas, but no error code is displayed.
Navigation Pattern / Coverage Issue
Symptom
Robot mower makes a loud grinding or rattling noise from the underside while mowing.
Cutting Deck Mechanical Damage
Symptom
Robot mower randomly restarts or powers off during mowing without showing an error.
Intermittent Power Supply / Internal Connection Fault
Symptom
Robot mower smells of burnt electronics or plastic during or after operation.
Overheating Electrical Component
Symptom
Robot mower starts, moves a short distance, then stops and returns to dock without error.
Battery Capacity Degradation
Symptom
Robot mower top cover feels loose, and the safety interlock sometimes prevents starting.
Cover Safety Switch Misalignment
Symptom
Robot mower vibrates excessively during operation, even on a flat lawn.
Imbalanced Cutting System
Symptom
Robot mower wheels spin but mower does not move or moves very slowly.
Drive Wheel Slipping / Loss of Traction
Symptom
Robot mower will not charge; the battery icon stays low even after hours in the dock.
Charging Failure Without Error Code
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E001 |
Robot mower will not start; display shows E001 immediately after power-on
|
Emergency Stop / Stop Button Active | View Details |
| E002 |
Robot mower shows E002 and will not start mowing cycle
|
Lift Sensor / Tilt Sensor Activated | View Details |
| E003 |
Display shows E003 and mower stops shortly after starting
|
Collision Sensor / Bumper Fault | View Details |
| E004 |
Robot mower shows E004 and does not move from starting position
|
Wheel Motor Blocked / Wheel Jam | View Details |
| E005 |
Mower displays E005 and blade disc does not spin
|
Cutting Motor Blocked / Overload | View Details |
| E006 |
Robot mower shows E006 and stops with blade disc free to turn by hand
|
Cutting Motor Current Sensor / Overcurrent Detection Fault | View Details |
| E007 |
Display shows E007 and mower refuses to start mowing cycle
|
Boundary Wire Signal Not Detected | View Details |
| E008 |
Mower shows E008 and stops near the boundary wire
|
Boundary Signal Disturbance / Interference | View Details |
| E009 |
Robot mower shows E009 and remains in the docking station
|
Charging Station Not Detected / Docking Contact Error | View Details |
| E010 |
Display shows E010, and the mower stops randomly on the lawn.
|
Low Battery Voltage / Battery Protection Triggered | View Details |
| E011 |
Mower shows E011 and refuses to start, often after long storage.
|
Battery Temperature Out of Range | View Details |
| E012 |
Display shows E012, and the mower does not move; this often occurs after impacts or on rough terrain.
|
Tilt Angle Too High / Rollover Detected | View Details |
| E013 |
Robot mower shows E013 and stops with wheels spinning or slipping.
|
Traction Loss / Wheel Slip Detected | View Details |
| E014 |
Mower shows E014 and cannot find its way back to the docking station.
|
Navigation System Error / GPS or Sensor Fault (Indego with Logicut) | View Details |
| E015 |
Display shows E015, and the mower stops near obstacles without touching them.
|
Ultrasonic / Obstacle Sensor Fault (on models with additional sensors) | View Details |
| E016 |
Robot mower shows E016 and reboots or freezes intermittently.
|
Main Control Board Overheating / Electronics Temperature Fault | View Details |
| E017 |
Display shows E017, and the mower cannot be operated via the keypad.
|
Keypad / User Interface Error | View Details |
| E018 |
Robot mower shows E018 and cannot communicate with the app or smart features.
|
Communication Module Error (e.g., GSM/Wi-Fi) | View Details |
| E019 |
Mower shows E019 and stops immediately when the blades start.
|
Blade Disc Imbalance / Excessive Vibration Detected | View Details |
| E020 |
Display shows E020, and the mower cannot be started with the PIN.
|
PIN Code / Security Lock Error | View Details |
| – |
Robot mower body is cracked or deformed after impact; operation is unreliable.
|
Chassis Structural Damage | View Details |
| – |
Robot mower display is very dim or unreadable, but the mower still operates.
|
LCD / Display Backlight Degradation | View Details |
| – |
Robot mower docking station LED is off, and the mower cannot charge.
|
Docking Station Power Loss | View Details |
| – |
Robot mower does not detect obstacles and collides hard with trees or walls.
|
Collision Bumper Not Working (No Code) | View Details |
| – |
Robot mower does not start at scheduled times, but can be started manually.
|
Scheduling / Real-Time Clock Issue | View Details |
| – |
Robot mower frequently gets stuck on small bumps, roots, or lawn edges.
|
Ground Clearance / Chassis Obstruction Issue | View Details |
| – |
Robot mower frequently loses boundary and drives outside the lawn area without showing a code.
|
Weak Boundary Signal / Marginal Installation | View Details |
| – |
Robot mower front wheels do not turn freely, causing poor steering and track marks.
|
Front Caster Wheel Seizure | View Details |
| – |
Robot mower is leaking oil or grease from the underside or wheel area.
|
Drive Gearbox Seal Failure | View Details |
| – |
Robot mower leaves clumps of grass and cuts unevenly, but runs without errors.
|
Dull or Damaged Blades | View Details |
| – |
Robot mower leaves uncut strips of grass and misses areas, but no error code is displayed.
|
Navigation Pattern / Coverage Issue | View Details |
| – |
Robot mower makes a loud grinding or rattling noise from the underside while mowing.
|
Cutting Deck Mechanical Damage | View Details |
| – |
Robot mower randomly restarts or powers off during mowing without showing an error.
|
Intermittent Power Supply / Internal Connection Fault | View Details |
| – |
Robot mower smells of burnt electronics or plastic during or after operation.
|
Overheating Electrical Component | View Details |
| – |
Robot mower starts, moves a short distance, then stops and returns to dock without error.
|
Battery Capacity Degradation | View Details |
| – |
Robot mower top cover feels loose, and the safety interlock sometimes prevents starting.
|
Cover Safety Switch Misalignment | View Details |
| – |
Robot mower vibrates excessively during operation, even on a flat lawn.
|
Imbalanced Cutting System | View Details |
| – |
Robot mower wheels spin but mower does not move or moves very slowly.
|
Drive Wheel Slipping / Loss of Traction | View Details |
| – |
Robot mower will not charge; the battery icon stays low even after hours in the dock.
|
Charging Failure Without Error Code | View Details |
No matching codes found
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