Ecovacs
Ecovacs 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 lawnmower will not start mowing; display shows E01 shortly after power-on.
Emergency Stop / Lift Sensor Triggered
E02
Robot lawnmower stops and displays E02; blades do not spin.
Blade Motor Overload / Blocked Cutting Disc
E03
Robot lawnmower displays E03 and stops; wheels may twitch but mower does not move.
Drive Motor Overcurrent / Wheel Jam
E04
Robot lawnmower shows E04 and refuses to start; often occurs after rain or washing.
Rain Sensor / Moisture Detection Fault
E05
Robot lawnmower displays E05 and stops near slopes or uneven ground.
Tilt Sensor / Rollover Protection Triggered
E06
Robot lawnmower shows E06 and cannot find or follow the boundary wire.
Boundary Wire Signal Loss
E07
Robot lawnmower displays E07 and stops; often occurs when approaching the charging station.
Charging Station Alignment / Docking Error
E08
Robot lawnmower shows E08 and stops; wheels spin freely in the air or mower is stuck on an obstacle.
Wheel Slip / Traction Loss Detected
E09
Robot lawnmower displays E09 and shuts down; may occur randomly during operation.
Battery Voltage Too Low / Battery Protection
E10
Robot lawnmower shows E10 and will not charge on the station.
Charging Circuit Fault
E11
Robot lawnmower displays E11; mower may behave erratically or stop unexpectedly.
Mainboard Communication Error
E12
Robot lawnmower shows E12 and stops; front bumper appears stuck or unresponsive.
Front Bumper / Collision Sensor Fault
E13
Robot lawnmower displays E13; mower may spin in circles or navigate incorrectly.
Compass / IMU (Inertial Measurement Unit) Error
E14
Robot lawnmower shows E14 and stops; cutting height cannot be adjusted or is stuck.
Cutting Height Motor / Actuator Fault
E15
Robot lawnmower displays E15; mower may not detect obstacles reliably.
Ultrasonic / TOF Obstacle Sensor Error
E16
Robot lawnmower shows E16 and stops; often after hitting a hard object.
Blade Imbalance / Excessive Vibration Detected
E17
Robot lawnmower displays E17; app connection unstable or lost frequently.
Wi‑Fi / RF Communication Error
E18
Robot lawnmower shows E18 and stops; rear or side lift handle may be involved.
Handle / Service Position Sensor Fault
E19
Robot lawnmower displays E19; mower may not detect when it is on the charging station.
Dock Presence / Hall Sensor Error
E20
Robot lawnmower shows E20 and stops; internal temperature warning may be indicated.
Overtemperature Protection
Symptom
Robot lawnmower app shows incorrect location or mapping of the lawn (for models with mapping).
Mapping / Localization Inaccuracy
Symptom
Robot lawnmower boundary detection seems inconsistent; mower occasionally crosses the wire without stopping.
Weak Boundary Signal Reception
Symptom
Robot lawnmower cuts unevenly; lawn shows scalped patches and tall tufts.
Uneven Cutting Height / Deck Misalignment
Symptom
Robot lawnmower display or control panel buttons do not respond reliably.
User Interface / Keypad Failure
Symptom
Robot lawnmower does not detect or avoid obstacles such as trees or furniture, leading to repeated collisions.
Obstacle Detection Failure
Symptom
Robot lawnmower does not return to the charging station and stops with low battery somewhere in the yard.
Failed Return‑to‑Home Navigation
Symptom
Robot lawnmower does not start at all; no lights or display when power switch is turned on.
No Power / Dead Mower
Symptom
Robot lawnmower emits a burning smell or shows signs of overheating during operation.
Electrical Overheating / Motor Overload
Symptom
Robot lawnmower frequently gets stuck on small obstacles or scalps edges.
Ground Clearance / Obstacle Handling Issue
Symptom
Robot lawnmower front caster wheel does not rotate freely, causing drag marks and navigation issues.
Seized Front Caster / Support Wheel
Symptom
Robot lawnmower is excessively noisy during operation, with grinding or rattling sounds.
Mechanical Noise / Bearing or Gear Wear
Symptom
Robot lawnmower leaves clumps of grass and struggles in taller growth.
Poor Cutting Performance
Symptom
Robot lawnmower leaves uncut strips of grass and misses areas within the boundary.
Poor Coverage / Navigation Inefficiency
Symptom
Robot lawnmower powers on but will not leave the charging station automatically.
Scheduling / Auto‑Start Inhibited
Symptom
Robot lawnmower runs for a very short time (e.g., 10–20 minutes) before needing to recharge.
Reduced Battery Capacity
Symptom
Robot lawnmower shows signs of water inside the housing after heavy rain or washing; may behave erratically.
Water Ingress / Moisture Damage
Symptom
Robot lawnmower starts but stops after a few meters without any error code on display.
Intermittent Power or Sensor Interrupt
Symptom
Robot lawnmower vibrates strongly, especially when blades are running.
Excessive Vibration / Unbalanced Cutting System
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Robot lawnmower will not start mowing; display shows E01 shortly after power-on.
|
Emergency Stop / Lift Sensor Triggered | View Details |
| E02 |
Robot lawnmower stops and displays E02; blades do not spin.
|
Blade Motor Overload / Blocked Cutting Disc | View Details |
| E03 |
Robot lawnmower displays E03 and stops; wheels may twitch but mower does not move.
|
Drive Motor Overcurrent / Wheel Jam | View Details |
| E04 |
Robot lawnmower shows E04 and refuses to start; often occurs after rain or washing.
|
Rain Sensor / Moisture Detection Fault | View Details |
| E05 |
Robot lawnmower displays E05 and stops near slopes or uneven ground.
|
Tilt Sensor / Rollover Protection Triggered | View Details |
| E06 |
Robot lawnmower shows E06 and cannot find or follow the boundary wire.
|
Boundary Wire Signal Loss | View Details |
| E07 |
Robot lawnmower displays E07 and stops; often occurs when approaching the charging station.
|
Charging Station Alignment / Docking Error | View Details |
| E08 |
Robot lawnmower shows E08 and stops; wheels spin freely in the air or mower is stuck on an obstacle.
|
Wheel Slip / Traction Loss Detected | View Details |
| E09 |
Robot lawnmower displays E09 and shuts down; may occur randomly during operation.
|
Battery Voltage Too Low / Battery Protection | View Details |
| E10 |
Robot lawnmower shows E10 and will not charge on the station.
|
Charging Circuit Fault | View Details |
| E11 |
Robot lawnmower displays E11; mower may behave erratically or stop unexpectedly.
|
Mainboard Communication Error | View Details |
| E12 |
Robot lawnmower shows E12 and stops; front bumper appears stuck or unresponsive.
|
Front Bumper / Collision Sensor Fault | View Details |
| E13 |
Robot lawnmower displays E13; mower may spin in circles or navigate incorrectly.
|
Compass / IMU (Inertial Measurement Unit) Error | View Details |
| E14 |
Robot lawnmower shows E14 and stops; cutting height cannot be adjusted or is stuck.
|
Cutting Height Motor / Actuator Fault | View Details |
| E15 |
Robot lawnmower displays E15; mower may not detect obstacles reliably.
|
Ultrasonic / TOF Obstacle Sensor Error | View Details |
| E16 |
Robot lawnmower shows E16 and stops; often after hitting a hard object.
|
Blade Imbalance / Excessive Vibration Detected | View Details |
| E17 |
Robot lawnmower displays E17; app connection unstable or lost frequently.
|
Wi‑Fi / RF Communication Error | View Details |
| E18 |
Robot lawnmower shows E18 and stops; rear or side lift handle may be involved.
|
Handle / Service Position Sensor Fault | View Details |
| E19 |
Robot lawnmower displays E19; mower may not detect when it is on the charging station.
|
Dock Presence / Hall Sensor Error | View Details |
| E20 |
Robot lawnmower shows E20 and stops; internal temperature warning may be indicated.
|
Overtemperature Protection | View Details |
| – |
Robot lawnmower app shows incorrect location or mapping of the lawn (for models with mapping).
|
Mapping / Localization Inaccuracy | View Details |
| – |
Robot lawnmower boundary detection seems inconsistent; mower occasionally crosses the wire without stopping.
|
Weak Boundary Signal Reception | View Details |
| – |
Robot lawnmower cuts unevenly; lawn shows scalped patches and tall tufts.
|
Uneven Cutting Height / Deck Misalignment | View Details |
| – |
Robot lawnmower display or control panel buttons do not respond reliably.
|
User Interface / Keypad Failure | View Details |
| – |
Robot lawnmower does not detect or avoid obstacles such as trees or furniture, leading to repeated collisions.
|
Obstacle Detection Failure | View Details |
| – |
Robot lawnmower does not return to the charging station and stops with low battery somewhere in the yard.
|
Failed Return‑to‑Home Navigation | View Details |
| – |
Robot lawnmower does not start at all; no lights or display when power switch is turned on.
|
No Power / Dead Mower | View Details |
| – |
Robot lawnmower emits a burning smell or shows signs of overheating during operation.
|
Electrical Overheating / Motor Overload | View Details |
| – |
Robot lawnmower frequently gets stuck on small obstacles or scalps edges.
|
Ground Clearance / Obstacle Handling Issue | View Details |
| – |
Robot lawnmower front caster wheel does not rotate freely, causing drag marks and navigation issues.
|
Seized Front Caster / Support Wheel | View Details |
| – |
Robot lawnmower is excessively noisy during operation, with grinding or rattling sounds.
|
Mechanical Noise / Bearing or Gear Wear | View Details |
| – |
Robot lawnmower leaves clumps of grass and struggles in taller growth.
|
Poor Cutting Performance | View Details |
| – |
Robot lawnmower leaves uncut strips of grass and misses areas within the boundary.
|
Poor Coverage / Navigation Inefficiency | View Details |
| – |
Robot lawnmower powers on but will not leave the charging station automatically.
|
Scheduling / Auto‑Start Inhibited | View Details |
| – |
Robot lawnmower runs for a very short time (e.g., 10–20 minutes) before needing to recharge.
|
Reduced Battery Capacity | View Details |
| – |
Robot lawnmower shows signs of water inside the housing after heavy rain or washing; may behave erratically.
|
Water Ingress / Moisture Damage | View Details |
| – |
Robot lawnmower starts but stops after a few meters without any error code on display.
|
Intermittent Power or Sensor Interrupt | View Details |
| – |
Robot lawnmower vibrates strongly, especially when blades are running.
|
Excessive Vibration / Unbalanced Cutting System | View Details |
No matching codes found
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