Bosch Robot Vacuums 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 vacuum will not start cleaning; short beep sequence; E01 shown in app or on display.
Main Power Supply / Battery Protection Fault
E02
Robot vacuum stops shortly after starting; E02 displayed; may emit a warning tone.
Drive Motor Overcurrent / Wheel Jam
E03
Robot vacuum stops and reports E03; suction is weak or fan does not start.
Suction Fan Motor Overload / Blockage
E04
Robot vacuum reports E04 and stops near edges or stairs; may refuse to move forward.
Cliff / Drop Sensor Error
E05
Robot vacuum shows E05; main brush stops spinning or pulses on and off.
Main Brush Motor Overload / Jam
E06
Robot vacuum reports E06; side brush does not rotate or rotates intermittently.
Side Brush Motor Overload / Jam
E07
Robot vacuum displays E07 and stops; often occurs when transitioning between surfaces or turning.
Bumper / Collision Sensor Stuck
E08
Robot vacuum shows E08; navigation is erratic; robot spins in circles or cannot find its way.
Navigation Sensor / Gyroscope Error
E09
Robot vacuum reports E09; cannot return to charging station; may stop with low battery away from dock.
Dock Detection / Infrared Receiver Fault
E10
Robot vacuum displays E10; Wi‑Fi connection fails or drops frequently; cannot connect to Bosch app.
Wi‑Fi Communication / Module Error
E11
Robot vacuum shows E11; battery drains unusually fast or shuts down mid‑clean with sufficient charge indicated.
Battery Cell Imbalance / Overtemperature
E12
Robot vacuum reports E12; dust bin icon flashes; robot refuses to start cleaning.
Dust Bin Presence / Full Sensor Error
E13
Robot vacuum shows E13; main filter icon appears; suction may be reduced.
Filter Blocked / Filter Sensor Triggered
E14
Robot vacuum displays E14; robot stops when climbing over thresholds or rugs.
Lift / Anti‑Tangle Sensor Error
E15
Robot vacuum shows E15; unit will not charge when placed on dock.
Charging Circuit / Contact Error
E16
Robot vacuum reports E16; loud fan noise followed by shutdown.
Suction Motor Overheating
E17
Robot vacuum shows E17; wheels spin but robot does not move correctly or veers strongly to one side.
Wheel Encoder / Speed Sensor Error
E18
Robot vacuum displays E18; top cover or service lid icon may flash; robot refuses to start.
Top Cover / Service Lid Open Sensor Error
E19
Robot vacuum shows E19; mapping fails; robot cannot create or save maps in the app.
Mapping Data / Memory Error
E20
Robot vacuum reports E20; loud grinding or clicking noise from brush area before stopping.
Main Brush Gearbox Failure
Symptom
Robot vacuum does not return to the dock at the end of cleaning and stops with low battery on the floor.
Dock Homing / Navigation Issue
Symptom
Robot vacuum does not start when the Start/Clean button is pressed; LEDs may be off or briefly flash.
No Power / Control Panel Failure
Symptom
Robot vacuum emits a high‑pitched squeal when moving, especially when turning.
Drive Wheel Bearing Wear
Symptom
Robot vacuum frequently bumps into furniture hard and does not slow down before impact.
Front Obstacle Sensor Degradation
Symptom
Robot vacuum gets stuck frequently on carpets, thresholds, or power cords.
Mobility / Obstacle Handling Issue
Symptom
Robot vacuum gets stuck under low furniture and cannot free itself.
Height / Clearance Limitation
Symptom
Robot vacuum is unusually quiet and appears to move but picks up almost no debris.
Suction Motor Not Running
Symptom
Robot vacuum is very loud during operation compared to when new, even after emptying the dust bin.
Suction Path Restriction / Fan Wear
Symptom
Robot vacuum leaves streaks of dust or lines of debris behind it, especially along the center.
Main Brush Not Contacting Floor Properly
Symptom
Robot vacuum leaves visible debris on the floor and does not pick up dirt effectively.
Poor Pickup / Reduced Airflow
Symptom
Robot vacuum makes a rattling or clicking noise from the brush area but continues to run.
Foreign Object in Brush Housing
Symptom
Robot vacuum occasionally shuts off when lifted or carried, even when battery is charged.
Lift Safety Interlock Activation
Symptom
Robot vacuum runs for only a short time (e.g., 10–15 minutes) before returning to dock or shutting off, with no error code.
Battery Capacity Degradation
Symptom
Robot vacuum smells like burning dust or hot plastic during operation.
Overheating Motor / Electrical Smell
Symptom
Robot vacuum starts but stops after a few seconds without an error code, often in the same spot.
Local Obstruction / Sensor Misread
Symptom
Robot vacuum’s app shows it in a different room than where it actually is; map appears rotated or shifted.
Mapping Misalignment
Symptom
Robot vacuum’s side brush scatters debris rather than directing it toward the suction inlet.
Side Brush Over‑Rotation / Wear
Symptom
Robot vacuum’s time scheduling does not work; it never starts at the programmed times.
Scheduling / Clock Configuration Issue
Symptom
Robot vacuum’s wheels slip and spin in place on certain rugs or glossy floors.
Traction Loss
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Robot vacuum will not start cleaning; short beep sequence; E01 shown in app or on display.
|
Main Power Supply / Battery Protection Fault | View Details |
| E02 |
Robot vacuum stops shortly after starting; E02 displayed; may emit a warning tone.
|
Drive Motor Overcurrent / Wheel Jam | View Details |
| E03 |
Robot vacuum stops and reports E03; suction is weak or fan does not start.
|
Suction Fan Motor Overload / Blockage | View Details |
| E04 |
Robot vacuum reports E04 and stops near edges or stairs; may refuse to move forward.
|
Cliff / Drop Sensor Error | View Details |
| E05 |
Robot vacuum shows E05; main brush stops spinning or pulses on and off.
|
Main Brush Motor Overload / Jam | View Details |
| E06 |
Robot vacuum reports E06; side brush does not rotate or rotates intermittently.
|
Side Brush Motor Overload / Jam | View Details |
| E07 |
Robot vacuum displays E07 and stops; often occurs when transitioning between surfaces or turning.
|
Bumper / Collision Sensor Stuck | View Details |
| E08 |
Robot vacuum shows E08; navigation is erratic; robot spins in circles or cannot find its way.
|
Navigation Sensor / Gyroscope Error | View Details |
| E09 |
Robot vacuum reports E09; cannot return to charging station; may stop with low battery away from dock.
|
Dock Detection / Infrared Receiver Fault | View Details |
| E10 |
Robot vacuum displays E10; Wi‑Fi connection fails or drops frequently; cannot connect to Bosch app.
|
Wi‑Fi Communication / Module Error | View Details |
| E11 |
Robot vacuum shows E11; battery drains unusually fast or shuts down mid‑clean with sufficient charge indicated.
|
Battery Cell Imbalance / Overtemperature | View Details |
| E12 |
Robot vacuum reports E12; dust bin icon flashes; robot refuses to start cleaning.
|
Dust Bin Presence / Full Sensor Error | View Details |
| E13 |
Robot vacuum shows E13; main filter icon appears; suction may be reduced.
|
Filter Blocked / Filter Sensor Triggered | View Details |
| E14 |
Robot vacuum displays E14; robot stops when climbing over thresholds or rugs.
|
Lift / Anti‑Tangle Sensor Error | View Details |
| E15 |
Robot vacuum shows E15; unit will not charge when placed on dock.
|
Charging Circuit / Contact Error | View Details |
| E16 |
Robot vacuum reports E16; loud fan noise followed by shutdown.
|
Suction Motor Overheating | View Details |
| E17 |
Robot vacuum shows E17; wheels spin but robot does not move correctly or veers strongly to one side.
|
Wheel Encoder / Speed Sensor Error | View Details |
| E18 |
Robot vacuum displays E18; top cover or service lid icon may flash; robot refuses to start.
|
Top Cover / Service Lid Open Sensor Error | View Details |
| E19 |
Robot vacuum shows E19; mapping fails; robot cannot create or save maps in the app.
|
Mapping Data / Memory Error | View Details |
| E20 |
Robot vacuum reports E20; loud grinding or clicking noise from brush area before stopping.
|
Main Brush Gearbox Failure | View Details |
| – |
Robot vacuum does not return to the dock at the end of cleaning and stops with low battery on the floor.
|
Dock Homing / Navigation Issue | View Details |
| – |
Robot vacuum does not start when the Start/Clean button is pressed; LEDs may be off or briefly flash.
|
No Power / Control Panel Failure | View Details |
| – |
Robot vacuum emits a high‑pitched squeal when moving, especially when turning.
|
Drive Wheel Bearing Wear | View Details |
| – |
Robot vacuum frequently bumps into furniture hard and does not slow down before impact.
|
Front Obstacle Sensor Degradation | View Details |
| – |
Robot vacuum gets stuck frequently on carpets, thresholds, or power cords.
|
Mobility / Obstacle Handling Issue | View Details |
| – |
Robot vacuum gets stuck under low furniture and cannot free itself.
|
Height / Clearance Limitation | View Details |
| – |
Robot vacuum is unusually quiet and appears to move but picks up almost no debris.
|
Suction Motor Not Running | View Details |
| – |
Robot vacuum is very loud during operation compared to when new, even after emptying the dust bin.
|
Suction Path Restriction / Fan Wear | View Details |
| – |
Robot vacuum leaves streaks of dust or lines of debris behind it, especially along the center.
|
Main Brush Not Contacting Floor Properly | View Details |
| – |
Robot vacuum leaves visible debris on the floor and does not pick up dirt effectively.
|
Poor Pickup / Reduced Airflow | View Details |
| – |
Robot vacuum makes a rattling or clicking noise from the brush area but continues to run.
|
Foreign Object in Brush Housing | View Details |
| – |
Robot vacuum occasionally shuts off when lifted or carried, even when battery is charged.
|
Lift Safety Interlock Activation | View Details |
| – |
Robot vacuum runs for only a short time (e.g., 10–15 minutes) before returning to dock or shutting off, with no error code.
|
Battery Capacity Degradation | View Details |
| – |
Robot vacuum smells like burning dust or hot plastic during operation.
|
Overheating Motor / Electrical Smell | View Details |
| – |
Robot vacuum starts but stops after a few seconds without an error code, often in the same spot.
|
Local Obstruction / Sensor Misread | View Details |
| – |
Robot vacuum’s app shows it in a different room than where it actually is; map appears rotated or shifted.
|
Mapping Misalignment | View Details |
| – |
Robot vacuum’s side brush scatters debris rather than directing it toward the suction inlet.
|
Side Brush Over‑Rotation / Wear | View Details |
| – |
Robot vacuum’s time scheduling does not work; it never starts at the programmed times.
|
Scheduling / Clock Configuration Issue | View Details |
| – |
Robot vacuum’s wheels slip and spin in place on certain rugs or glossy floors.
|
Traction Loss | View Details |
No matching codes found
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