Flymo
Flymo 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 mower will not start; display shows E1 shortly after power‑up or when trying to start mowing.
Loop Signal Not Detected
E10
Robot mower shows E10 and stops; may be accompanied by erratic behavior or random restarts.
Main Control Board / Electronics Error
E11
Robot mower displays E11 and refuses to start; often after the PIN code has been entered incorrectly several times.
Security Lock / PIN Code Error
E12
Robot mower shows E12 and stops; often in very hot or very cold weather.
Temperature Sensor / Overtemperature Protection
E13
Robot mower displays E13 and stops; may occur when the mower is outside the boundary loop.
Out of Working Area / No Loop Detected Under Mower
E14
Robot mower shows E14 and stops; often when trying to start the blades.
Cutting Motor Start Failure
E15
Robot mower displays E15 and stops; may occur when reversing or turning.
Wheel Motor Sensor / Speed Feedback Error
E16
Robot mower shows E16 and stops; often after hitting a very hard obstacle or curb.
Chassis Shock / Excessive Impact Detected
E17
Robot mower displays E17 and will not start; often after long storage or when the date/time is incorrect.
Timer / Real‑Time Clock Error
E18
Robot mower shows E18 and stops; often when the mower is very dirty or after washing with a hose.
Moisture / Short Circuit Detected
E19
Robot mower displays E19 and stops; may occur when the mower is lifted while blades are running.
Lift Sensor Fault / Safety Interlock
E2
Robot mower stops near the boundary and displays E2; may occur intermittently when approaching the edge of the lawn.
Weak or Distorted Boundary Signal
E20
Robot mower shows E20 and stops; often when the mower cannot find the charging station at the end of a session.
Guide / Boundary Tracking Error
E3
Robot mower displays E3 and stops; often occurs when trying to leave the charging station or when docking.
Charging Station Alignment / Docking Error
E4
Robot mower shows E4 and stops; usually when the cutting disc is obstructed or heavy grass is encountered.
Cutting Motor Overload / Blocked Cutting Disc
E5
Robot mower displays E5 and stops; often after hitting an obstacle or when lifted slightly.
Lift or Tilt Sensor Activated
E6
Robot mower shows E6 and refuses to start mowing; may occur after winter storage or long downtime.
Battery Voltage Too Low / Battery Protection
E7
Robot mower displays E7 and stops; often associated with wheel spin or difficulty moving.
Drive Motor Overload / Wheel Blocked
E8
Robot mower shows E8 and stops; may occur randomly during operation without obvious obstruction.
Collision Sensor / Bumper Fault
E9
Robot mower displays E9 and will not charge or start; often after a power surge or lightning event.
Charging Station Power Supply Fault
Symptom
Robot mower base station LED flashes or changes color, but mower shows no error and behaves unpredictably.
Boundary / Guide Signal Instability
Symptom
Robot mower blades do not spin, but the mower drives around as if mowing.
Cutting System Not Engaging
Symptom
Robot mower cuts unevenly, leaving scalped patches and taller tufts of grass.
Incorrect Cutting Height / Blade Condition Issue
Symptom
Robot mower does not charge when docked; station LED is on but mower battery remains low.
Poor Charging Contact / Charging Circuit Issue
Symptom
Robot mower does not detect when it has reached the charging station and pushes against it or overshoots.
Docking Sensor / Contact Detection Issue
Symptom
Robot mower does not respond to keypad presses or only some buttons work.
Keypad / User Interface Failure
Symptom
Robot mower does not start at scheduled time; no error code displayed, but mower remains in charging station.
Scheduling / Timer Misconfiguration
Symptom
Robot mower drifts sideways on slopes or cannot climb inclines it previously managed.
Reduced Traction on Slopes
Symptom
Robot mower emits a burning smell or very hot plastic smell during or after mowing.
Overheating Component / Electrical Overload
Symptom
Robot mower frequently gets stuck on uneven ground, tree roots, or small holes.
Ground Clearance / Traction Issue
Symptom
Robot mower housing or display shows signs of condensation inside the screen or under the cover.
Moisture Ingress / Seal Degradation
Symptom
Robot mower is very noisy during operation; grinding or rattling sounds from underneath.
Mechanical Noise from Cutting Deck or Drive Train
Symptom
Robot mower leaves clumps of grass on the lawn instead of finely mulching.
Poor Mulching Performance
Symptom
Robot mower leaves the lawn and travels into flower beds or over paths without stopping.
Boundary Detection Failure
Symptom
Robot mower leaves uncut strips of grass or misses areas of the lawn regularly.
Coverage / Navigation Pattern Issue
Symptom
Robot mower occasionally reboots or restarts by itself during mowing.
Power Interruption / Electronics Instability
Symptom
Robot mower returns to the charging station very frequently and runs for only a short time before going back again.
Reduced Battery Capacity / Short Runtime
Symptom
Robot mower stops at the same spot every time, even though there is no visible obstacle.
Local Boundary Distortion / Underground Obstruction
Symptom
Robot mower stops frequently with no error code, then resumes after a short pause.
Intermittent Safety Sensor Activation
Symptom
Robot mower vibrates excessively, with noticeable shaking and rattling while cutting.
Imbalanced Cutting Disc / Blade Issue
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Robot mower will not start; display shows E1 shortly after power‑up or when trying to start mowing.
|
Loop Signal Not Detected | View Details |
| E10 |
Robot mower shows E10 and stops; may be accompanied by erratic behavior or random restarts.
|
Main Control Board / Electronics Error | View Details |
| E11 |
Robot mower displays E11 and refuses to start; often after the PIN code has been entered incorrectly several times.
|
Security Lock / PIN Code Error | View Details |
| E12 |
Robot mower shows E12 and stops; often in very hot or very cold weather.
|
Temperature Sensor / Overtemperature Protection | View Details |
| E13 |
Robot mower displays E13 and stops; may occur when the mower is outside the boundary loop.
|
Out of Working Area / No Loop Detected Under Mower | View Details |
| E14 |
Robot mower shows E14 and stops; often when trying to start the blades.
|
Cutting Motor Start Failure | View Details |
| E15 |
Robot mower displays E15 and stops; may occur when reversing or turning.
|
Wheel Motor Sensor / Speed Feedback Error | View Details |
| E16 |
Robot mower shows E16 and stops; often after hitting a very hard obstacle or curb.
|
Chassis Shock / Excessive Impact Detected | View Details |
| E17 |
Robot mower displays E17 and will not start; often after long storage or when the date/time is incorrect.
|
Timer / Real‑Time Clock Error | View Details |
| E18 |
Robot mower shows E18 and stops; often when the mower is very dirty or after washing with a hose.
|
Moisture / Short Circuit Detected | View Details |
| E19 |
Robot mower displays E19 and stops; may occur when the mower is lifted while blades are running.
|
Lift Sensor Fault / Safety Interlock | View Details |
| E2 |
Robot mower stops near the boundary and displays E2; may occur intermittently when approaching the edge of the lawn.
|
Weak or Distorted Boundary Signal | View Details |
| E20 |
Robot mower shows E20 and stops; often when the mower cannot find the charging station at the end of a session.
|
Guide / Boundary Tracking Error | View Details |
| E3 |
Robot mower displays E3 and stops; often occurs when trying to leave the charging station or when docking.
|
Charging Station Alignment / Docking Error | View Details |
| E4 |
Robot mower shows E4 and stops; usually when the cutting disc is obstructed or heavy grass is encountered.
|
Cutting Motor Overload / Blocked Cutting Disc | View Details |
| E5 |
Robot mower displays E5 and stops; often after hitting an obstacle or when lifted slightly.
|
Lift or Tilt Sensor Activated | View Details |
| E6 |
Robot mower shows E6 and refuses to start mowing; may occur after winter storage or long downtime.
|
Battery Voltage Too Low / Battery Protection | View Details |
| E7 |
Robot mower displays E7 and stops; often associated with wheel spin or difficulty moving.
|
Drive Motor Overload / Wheel Blocked | View Details |
| E8 |
Robot mower shows E8 and stops; may occur randomly during operation without obvious obstruction.
|
Collision Sensor / Bumper Fault | View Details |
| E9 |
Robot mower displays E9 and will not charge or start; often after a power surge or lightning event.
|
Charging Station Power Supply Fault | View Details |
| – |
Robot mower base station LED flashes or changes color, but mower shows no error and behaves unpredictably.
|
Boundary / Guide Signal Instability | View Details |
| – |
Robot mower blades do not spin, but the mower drives around as if mowing.
|
Cutting System Not Engaging | View Details |
| – |
Robot mower cuts unevenly, leaving scalped patches and taller tufts of grass.
|
Incorrect Cutting Height / Blade Condition Issue | View Details |
| – |
Robot mower does not charge when docked; station LED is on but mower battery remains low.
|
Poor Charging Contact / Charging Circuit Issue | View Details |
| – |
Robot mower does not detect when it has reached the charging station and pushes against it or overshoots.
|
Docking Sensor / Contact Detection Issue | View Details |
| – |
Robot mower does not respond to keypad presses or only some buttons work.
|
Keypad / User Interface Failure | View Details |
| – |
Robot mower does not start at scheduled time; no error code displayed, but mower remains in charging station.
|
Scheduling / Timer Misconfiguration | View Details |
| – |
Robot mower drifts sideways on slopes or cannot climb inclines it previously managed.
|
Reduced Traction on Slopes | View Details |
| – |
Robot mower emits a burning smell or very hot plastic smell during or after mowing.
|
Overheating Component / Electrical Overload | View Details |
| – |
Robot mower frequently gets stuck on uneven ground, tree roots, or small holes.
|
Ground Clearance / Traction Issue | View Details |
| – |
Robot mower housing or display shows signs of condensation inside the screen or under the cover.
|
Moisture Ingress / Seal Degradation | View Details |
| – |
Robot mower is very noisy during operation; grinding or rattling sounds from underneath.
|
Mechanical Noise from Cutting Deck or Drive Train | View Details |
| – |
Robot mower leaves clumps of grass on the lawn instead of finely mulching.
|
Poor Mulching Performance | View Details |
| – |
Robot mower leaves the lawn and travels into flower beds or over paths without stopping.
|
Boundary Detection Failure | View Details |
| – |
Robot mower leaves uncut strips of grass or misses areas of the lawn regularly.
|
Coverage / Navigation Pattern Issue | View Details |
| – |
Robot mower occasionally reboots or restarts by itself during mowing.
|
Power Interruption / Electronics Instability | View Details |
| – |
Robot mower returns to the charging station very frequently and runs for only a short time before going back again.
|
Reduced Battery Capacity / Short Runtime | View Details |
| – |
Robot mower stops at the same spot every time, even though there is no visible obstacle.
|
Local Boundary Distortion / Underground Obstruction | View Details |
| – |
Robot mower stops frequently with no error code, then resumes after a short pause.
|
Intermittent Safety Sensor Activation | View Details |
| – |
Robot mower vibrates excessively, with noticeable shaking and rattling while cutting.
|
Imbalanced Cutting Disc / Blade Issue | View Details |
No matching codes found
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