Sunseeker
Sunseeker 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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E01
Robot mower will not start; display shows E01 immediately after power-on.
Main Power Supply / Battery Protection Fault
E02
Robot mower stops and displays E02 shortly after leaving the charging station.
Charging Station / Dock Communication Fault
E03
Robot mower displays E03 and will not start mowing cycle.
Boundary Wire Signal Not Detected
E04
Robot mower displays E04 and stops as soon as the blade motor attempts to start.
Blade Motor Overload / Stall
E05
Robot mower displays E05 and stops moving, even though the blade continues to spin.
Drive Motor Overcurrent / Wheel Jam
E06
Robot mower displays E06 and refuses to start; this often occurs on slopes or uneven ground.
Tilt Sensor / Roll-Over Protection Fault
E07
Robot mower displays E07 and stops; this often occurs after bumping into obstacles.
Lift Sensor / Lifted Mower Detected
E08
Robot mower displays E08 and stops near the boundary wire or charging station.
Boundary Signal Interference / Out of Working Area
E09
Robot mower displays E09 and will not charge on the station.
Charging Current Fault / Battery Not Charging
E10
Robot mower displays E10 and stops randomly during operation.
Temperature Sensor / Overheat Protection Fault
E11
Robot mower displays E11 and refuses to start; this often occurs after a firmware update or long storage.
Main Control Board Communication Error
E12
Robot mower displays E12 and stops near obstacles; the bumper seems unresponsive or is always triggered.
Front Bumper / Collision Sensor Fault
E13
Robot mower displays E13 and stops when reversing or turning.
Wheel Encoder / Speed Sensor Fault
E14
Robot mower shows E14 and cannot find or follow the guide wire back to the station.
Guide Wire Signal Fault
E15
Robot mower displays E15 and stops when it encounters wet or muddy areas.
Wheel Slip / Traction Loss Detected
E16
Robot mower shows E16 and stops with a message related to "Rain" or "Weather".
Rain Sensor Fault
E17
Robot mower displays E17 and cannot connect to the mobile app or Wi-Fi.
Wireless Communication Module Fault
E18
Robot mower shows E18 and stops with a message about "Time" or "Clock".
Real-Time Clock / Scheduler Fault
E19
Robot mower displays E19 and stops with a message about "PIN" or "Security".
Security Lock / PIN Code Error
E20
Robot mower shows E20 and stops with a message about "Obstacle" even when nothing is nearby.
Ultrasonic / Obstacle Sensor Fault (if equipped)
Symptom
Robot mower cannot be paired with the remote control or app, but no specific error code is shown
Pairing / Connectivity Issue
Symptom
Robot mower chassis shows signs of cracking or deformation, affecting operation
Structural Chassis Damage
Symptom
Robot mower cuts unevenly, leaving scalped spots and tall patches.
Cutting Height Misadjustment / Deck Leveling Issue
Symptom
Robot mower display is blank or very dim, but the mower still seems to operate
Display / HMI Backlight Failure
Symptom
Robot mower does not detect rain and continues mowing in wet conditions
Rain Sensor Non-Response
Symptom
Robot mower does not return to the charging station and stops with a low battery in the yard
Homing / Return-to-Base Failure
Symptom
Robot mower does not start at scheduled times but works when started manually
Scheduling / Timer Misconfiguration
Symptom
Robot mower emits a burning smell or excessive heat from the underside
Overheating Motor or Wiring
Symptom
Robot mower frequently gets stuck on small bumps, roots, or edges
Chassis Ground Clearance / Terrain Handling Issue
Symptom
Robot mower is difficult to push manually; wheels feel locked when power is off
Drive Gearbox Binding
Symptom
Robot mower is very noisy while cutting, with rattling or grinding sounds.
Blade System Mechanical Noise
Symptom
Robot mower leaves streaks of uncut grass between passes
Dull or Damaged Blades
Symptom
Robot mower leaves tracks or scalps the lawn on slopes
Inappropriate Operation on Steep Slopes
Symptom
Robot mower leaves uncut patches and misses areas of the lawn.
Inefficient Navigation / Coverage Pattern Issue
Symptom
Robot mower occasionally runs outside the defined lawn area
Boundary Containment Failure
Symptom
Robot mower occasionally shuts down completely in the middle of the lawn with no error code
Intermittent Power Loss
Symptom
Robot mower runs for a very short time before needing to recharge
Reduced Battery Capacity
Symptom
Robot mower vibrates excessively during operation
Imbalanced Cutting System
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Robot mower will not start; display shows E01 immediately after power-on.
|
Main Power Supply / Battery Protection Fault | View Details |
| E02 |
Robot mower stops and displays E02 shortly after leaving the charging station.
|
Charging Station / Dock Communication Fault | View Details |
| E03 |
Robot mower displays E03 and will not start mowing cycle.
|
Boundary Wire Signal Not Detected | View Details |
| E04 |
Robot mower displays E04 and stops as soon as the blade motor attempts to start.
|
Blade Motor Overload / Stall | View Details |
| E05 |
Robot mower displays E05 and stops moving, even though the blade continues to spin.
|
Drive Motor Overcurrent / Wheel Jam | View Details |
| E06 |
Robot mower displays E06 and refuses to start; this often occurs on slopes or uneven ground.
|
Tilt Sensor / Roll-Over Protection Fault | View Details |
| E07 |
Robot mower displays E07 and stops; this often occurs after bumping into obstacles.
|
Lift Sensor / Lifted Mower Detected | View Details |
| E08 |
Robot mower displays E08 and stops near the boundary wire or charging station.
|
Boundary Signal Interference / Out of Working Area | View Details |
| E09 |
Robot mower displays E09 and will not charge on the station.
|
Charging Current Fault / Battery Not Charging | View Details |
| E10 |
Robot mower displays E10 and stops randomly during operation.
|
Temperature Sensor / Overheat Protection Fault | View Details |
| E11 |
Robot mower displays E11 and refuses to start; this often occurs after a firmware update or long storage.
|
Main Control Board Communication Error | View Details |
| E12 |
Robot mower displays E12 and stops near obstacles; the bumper seems unresponsive or is always triggered.
|
Front Bumper / Collision Sensor Fault | View Details |
| E13 |
Robot mower displays E13 and stops when reversing or turning.
|
Wheel Encoder / Speed Sensor Fault | View Details |
| E14 |
Robot mower shows E14 and cannot find or follow the guide wire back to the station.
|
Guide Wire Signal Fault | View Details |
| E15 |
Robot mower displays E15 and stops when it encounters wet or muddy areas.
|
Wheel Slip / Traction Loss Detected | View Details |
| E16 |
Robot mower shows E16 and stops with a message related to "Rain" or "Weather".
|
Rain Sensor Fault | View Details |
| E17 |
Robot mower displays E17 and cannot connect to the mobile app or Wi-Fi.
|
Wireless Communication Module Fault | View Details |
| E18 |
Robot mower shows E18 and stops with a message about "Time" or "Clock".
|
Real-Time Clock / Scheduler Fault | View Details |
| E19 |
Robot mower displays E19 and stops with a message about "PIN" or "Security".
|
Security Lock / PIN Code Error | View Details |
| E20 |
Robot mower shows E20 and stops with a message about "Obstacle" even when nothing is nearby.
|
Ultrasonic / Obstacle Sensor Fault (if equipped) | View Details |
| – |
Robot mower cannot be paired with the remote control or app, but no specific error code is shown
|
Pairing / Connectivity Issue | View Details |
| – |
Robot mower chassis shows signs of cracking or deformation, affecting operation
|
Structural Chassis Damage | View Details |
| – |
Robot mower cuts unevenly, leaving scalped spots and tall patches.
|
Cutting Height Misadjustment / Deck Leveling Issue | View Details |
| – |
Robot mower display is blank or very dim, but the mower still seems to operate
|
Display / HMI Backlight Failure | View Details |
| – |
Robot mower does not detect rain and continues mowing in wet conditions
|
Rain Sensor Non-Response | View Details |
| – |
Robot mower does not return to the charging station and stops with a low battery in the yard
|
Homing / Return-to-Base Failure | View Details |
| – |
Robot mower does not start at scheduled times but works when started manually
|
Scheduling / Timer Misconfiguration | View Details |
| – |
Robot mower emits a burning smell or excessive heat from the underside
|
Overheating Motor or Wiring | View Details |
| – |
Robot mower frequently gets stuck on small bumps, roots, or edges
|
Chassis Ground Clearance / Terrain Handling Issue | View Details |
| – |
Robot mower is difficult to push manually; wheels feel locked when power is off
|
Drive Gearbox Binding | View Details |
| – |
Robot mower is very noisy while cutting, with rattling or grinding sounds.
|
Blade System Mechanical Noise | View Details |
| – |
Robot mower leaves streaks of uncut grass between passes
|
Dull or Damaged Blades | View Details |
| – |
Robot mower leaves tracks or scalps the lawn on slopes
|
Inappropriate Operation on Steep Slopes | View Details |
| – |
Robot mower leaves uncut patches and misses areas of the lawn.
|
Inefficient Navigation / Coverage Pattern Issue | View Details |
| – |
Robot mower occasionally runs outside the defined lawn area
|
Boundary Containment Failure | View Details |
| – |
Robot mower occasionally shuts down completely in the middle of the lawn with no error code
|
Intermittent Power Loss | View Details |
| – |
Robot mower runs for a very short time before needing to recharge
|
Reduced Battery Capacity | View Details |
| – |
Robot mower vibrates excessively during operation
|
Imbalanced Cutting System | View Details |
No matching codes found
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