Cub Cadet
Cub Cadet 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‑up
Emergency Stop / Stop Button Active
E002
Robot mower stops and displays E002 when trying to start blades.
Blade Motor Overload / Blocked Cutting Disc
E003
Robot mower shows E003 and will not drive forward or reverse.
Drive Motor Overcurrent / Wheel Jam
E004
Display shows E004 and mower stops near boundary wire.
Boundary Loop Signal Lost / No Loop Detected
E005
Robot mower shows E005 and refuses to start mowing from the charging station.
Charging Station Communication Error
E006
Display shows E006 and mower stops on a slope.
Tilt Sensor / Roll-Over Detected
E007
Robot mower shows E007 and stops after a few seconds of driving.
Lift Sensor Activated While Moving
E008
Display shows E008 and mower will not leave the charging station.
Battery Voltage Too Low / Deep Discharge
E009
Robot mower shows E009 and stops when approaching the charging station.
Docking Alignment / Home Sensor Error
E010
Display shows E010 and mower will not start scheduled mowing.
Time / Date or Scheduler Configuration Error
E011
Robot mower shows E011 and stops with blades off.
Blade Motor Speed Sensor / Hall Sensor Error
E012
Display shows E012, and the mower stops after hitting small obstacles.
Bumper / Collision Sensor Fault
E013
Robot mower shows E013 and will not move, even though the boundary is detected.
Wheel Encoder / Speed Sensor Error
E014
Display shows E014, and the mower shuts down shortly after starting.
Overtemperature Protection Activated
E015
Robot mower shows E015 and cannot connect to the mobile app.
Wireless Communication / Bluetooth or Wi-Fi Error
E016
Display shows E016, and the mower stops when entering a narrow passage.
Ultrasonic / Obstacle Sensor Error
E017
Robot mower shows E017 and refuses to start due to a PIN or security lock.
PIN Code / Anti-Theft Lockout
E018
Display shows E018, and the mower stops when the front wheels drop into a hole or off an edge.
Front Lift / Drop Sensor Error
E019
Robot mower shows E019 and cannot detect the boundary in certain areas.
Boundary Signal Weak / Distorted
E020
Display shows E020, and the mower shuts down with no other symptoms.
Internal Electronics Fault / Self-Test Failure
Symptom
Robot mower body is cracked or deformed after impact, but electronics still power on.
Chassis / Housing Damage
Symptom
Robot mower buttons do not respond or respond intermittently.
Keypad / Button Failure
Symptom
Robot mower consumes battery very quickly and runs for a much shorter time than before.
Reduced Runtime / High Current Draw
Symptom
Robot mower display is very dim or unreadable, but the mower still operates.
Display Backlight / LCD Degradation
Symptom
Robot mower does not follow the boundary correctly and sometimes crosses outside the lawn.
Boundary Tracking Deviation
Symptom
Robot mower does not return to the charging station and stops in the yard with a low battery.
Home Finding / Return‑to‑Base Failure
Symptom
Robot mower does not start at all; no display, no lights.
No Power / Dead Mower
Symptom
Robot mower frequently gets stuck or spins its wheels without moving forward.
Traction Loss / Wheel Slippage
Symptom
Robot mower frequently stops with a message about an obstacle, but nothing is in front of it (no code shown).
False Obstacle Detection
Symptom
Robot mower front wheels do not swivel freely and dig into the lawn.
Front Caster Wheel Seizure
Symptom
Robot mower is not charging even though it is docked on the station.
No Charge / Charging Failure
Symptom
Robot mower is very noisy while cutting compared to normal operation.
Excessive Cutting Noise
Symptom
Robot mower leaks rust‑colored water or shows corrosion around the blade area.
Water Ingress / Corrosion at Cutting Deck
Symptom
Robot mower leaves uncut grass tufts and seems to tear rather than cut.
Dull or Incorrect Blades
Symptom
Robot mower makes loud clicking or grinding noises from one wheel while driving.
Drive Gearbox Wear / Damage
Symptom
Robot mower occasionally reboots or restarts its display while mowing.
Controller Brownout / Voltage Drop
Symptom
Robot mower runs but leaves uncut strips of grass between passes.
Poor Coverage / Navigation Pattern Issue
Symptom
Robot mower smells like burnt electronics or plastic during or after operation.
Overheating / Electrical Burn
Symptom
Robot mower starts but shuts off randomly during mowing with no error code.
Intermittent Power Loss
Symptom
Robot mower veers to one side and does not drive straight.
Unequal Wheel Speed / Alignment Issue
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E001 |
Robot mower will not start; display shows E001 immediately after power‑up
|
Emergency Stop / Stop Button Active | View Details |
| E002 |
Robot mower stops and displays E002 when trying to start blades.
|
Blade Motor Overload / Blocked Cutting Disc | View Details |
| E003 |
Robot mower shows E003 and will not drive forward or reverse.
|
Drive Motor Overcurrent / Wheel Jam | View Details |
| E004 |
Display shows E004 and mower stops near boundary wire.
|
Boundary Loop Signal Lost / No Loop Detected | View Details |
| E005 |
Robot mower shows E005 and refuses to start mowing from the charging station.
|
Charging Station Communication Error | View Details |
| E006 |
Display shows E006 and mower stops on a slope.
|
Tilt Sensor / Roll-Over Detected | View Details |
| E007 |
Robot mower shows E007 and stops after a few seconds of driving.
|
Lift Sensor Activated While Moving | View Details |
| E008 |
Display shows E008 and mower will not leave the charging station.
|
Battery Voltage Too Low / Deep Discharge | View Details |
| E009 |
Robot mower shows E009 and stops when approaching the charging station.
|
Docking Alignment / Home Sensor Error | View Details |
| E010 |
Display shows E010 and mower will not start scheduled mowing.
|
Time / Date or Scheduler Configuration Error | View Details |
| E011 |
Robot mower shows E011 and stops with blades off.
|
Blade Motor Speed Sensor / Hall Sensor Error | View Details |
| E012 |
Display shows E012, and the mower stops after hitting small obstacles.
|
Bumper / Collision Sensor Fault | View Details |
| E013 |
Robot mower shows E013 and will not move, even though the boundary is detected.
|
Wheel Encoder / Speed Sensor Error | View Details |
| E014 |
Display shows E014, and the mower shuts down shortly after starting.
|
Overtemperature Protection Activated | View Details |
| E015 |
Robot mower shows E015 and cannot connect to the mobile app.
|
Wireless Communication / Bluetooth or Wi-Fi Error | View Details |
| E016 |
Display shows E016, and the mower stops when entering a narrow passage.
|
Ultrasonic / Obstacle Sensor Error | View Details |
| E017 |
Robot mower shows E017 and refuses to start due to a PIN or security lock.
|
PIN Code / Anti-Theft Lockout | View Details |
| E018 |
Display shows E018, and the mower stops when the front wheels drop into a hole or off an edge.
|
Front Lift / Drop Sensor Error | View Details |
| E019 |
Robot mower shows E019 and cannot detect the boundary in certain areas.
|
Boundary Signal Weak / Distorted | View Details |
| E020 |
Display shows E020, and the mower shuts down with no other symptoms.
|
Internal Electronics Fault / Self-Test Failure | View Details |
| – |
Robot mower body is cracked or deformed after impact, but electronics still power on.
|
Chassis / Housing Damage | View Details |
| – |
Robot mower buttons do not respond or respond intermittently.
|
Keypad / Button Failure | View Details |
| – |
Robot mower consumes battery very quickly and runs for a much shorter time than before.
|
Reduced Runtime / High Current Draw | View Details |
| – |
Robot mower display is very dim or unreadable, but the mower still operates.
|
Display Backlight / LCD Degradation | View Details |
| – |
Robot mower does not follow the boundary correctly and sometimes crosses outside the lawn.
|
Boundary Tracking Deviation | View Details |
| – |
Robot mower does not return to the charging station and stops in the yard with a low battery.
|
Home Finding / Return‑to‑Base Failure | View Details |
| – |
Robot mower does not start at all; no display, no lights.
|
No Power / Dead Mower | View Details |
| – |
Robot mower frequently gets stuck or spins its wheels without moving forward.
|
Traction Loss / Wheel Slippage | View Details |
| – |
Robot mower frequently stops with a message about an obstacle, but nothing is in front of it (no code shown).
|
False Obstacle Detection | View Details |
| – |
Robot mower front wheels do not swivel freely and dig into the lawn.
|
Front Caster Wheel Seizure | View Details |
| – |
Robot mower is not charging even though it is docked on the station.
|
No Charge / Charging Failure | View Details |
| – |
Robot mower is very noisy while cutting compared to normal operation.
|
Excessive Cutting Noise | View Details |
| – |
Robot mower leaks rust‑colored water or shows corrosion around the blade area.
|
Water Ingress / Corrosion at Cutting Deck | View Details |
| – |
Robot mower leaves uncut grass tufts and seems to tear rather than cut.
|
Dull or Incorrect Blades | View Details |
| – |
Robot mower makes loud clicking or grinding noises from one wheel while driving.
|
Drive Gearbox Wear / Damage | View Details |
| – |
Robot mower occasionally reboots or restarts its display while mowing.
|
Controller Brownout / Voltage Drop | View Details |
| – |
Robot mower runs but leaves uncut strips of grass between passes.
|
Poor Coverage / Navigation Pattern Issue | View Details |
| – |
Robot mower smells like burnt electronics or plastic during or after operation.
|
Overheating / Electrical Burn | View Details |
| – |
Robot mower starts but shuts off randomly during mowing with no error code.
|
Intermittent Power Loss | View Details |
| – |
Robot mower veers to one side and does not drive straight.
|
Unequal Wheel Speed / Alignment Issue | View Details |
No matching codes found
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