Bosch Carpet Cleaners Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E01
Carpet cleaner will not power on, no lights on control panel, no motor sound
Main Power Supply / Control Board Lockout
E02
Carpet cleaner powers on but brush motor does not run; suction motor may still operate
Brush Motor Drive Failure
E03
Carpet cleaner stops mid-operation and all LEDs flash; unit will not restart until cooled
Overtemperature / Thermal Cut-Out Activation
E04
No water spray from the nozzle; pump icon or water indicator flashes on display
Solution Pump / Water Flow Fault
E05
Dirty water tank full indicator active even when tank is empty; suction stops
Dirty Water Tank Level Sensor Fault
E06
Carpet cleaner runs but suction is very weak; display shows suction fault icon or E06
Suction Path Restriction / Partial Blockage
E07
Brush roll stops and E07 appears; burning smell may be present
Brush Roll Overload / Belt Slip
E08
The unit leaks water from its base, and E08 or a leak icon appears on the display.
Internal Water Leak / Leak Sensor Activation
E09
The display shows E09, and the unit will not spray or run the pump; an audible click can be heard from the control board.
Pump Overcurrent / Short Circuit Protection
E10
The display shows E10; the unit powers on, but neither the suction nor the brush motor starts.
Low Voltage / Input Supply Error
E11
E11 is displayed; the unit runs but shuts down when the trigger is pulled for solution spray.
Trigger Switch / Input Sensor Fault
E12
E12 appears, and the unit beeps; the brush motor starts then stops within a few seconds.
Brush Motor Tachometer / Speed Feedback Error
E13
E13 is displayed; the unit will not start, and a padlock or child icon is shown.
Child Lock / Safety Interlock Active
E14
E14 error; the unit runs but does not heat water (for models with an onboard heater).
Water Heater Circuit Fault
E15
E15 is displayed; the unit beeps and shuts down shortly after starting, often when tilted.
Tilt / Orientation Sensor Fault
Symptom
Carpet cleaner leaves a musty or moldy smell during use.
Microbial Growth in Tanks and Hoses
Symptom
Carpet cleaner leaves streaks or dirty lines on the carpet after passes.
Uneven Brush Contact / Contaminated Nozzle
Symptom
Carpet cleaner makes a loud rattling or grinding noise during operation.
Mechanical Drive Noise / Worn Bearings
Symptom
Carpet cleaner shuts off when moved over thick rugs but runs on hard floors.
Overload Protection Due to High Brush / Suction Load
Symptom
Carpet cleaner trips the household circuit breaker or RCD when switched on.
Electrical Short / Earth Leakage
Symptom
Carpet cleaner will not start unless the handle is fully upright or fully lowered.
Handle Position Switch / Interlock Issue
Symptom
Dirty water tank difficult to remove or reinstall.
Tank Alignment / Warping Issue
Symptom
Foam builds up in the dirty water tank, and suction becomes noisy or intermittent.
Excessive Detergent / Foam Ingestion
Symptom
Handle or body becomes unusually hot to the touch during operation.
Overheating Due to Restricted Airflow or Electrical Fault
Symptom
No lights or display, but a faint humming noise is heard from inside.
Stalled Motor / Jammed Pump with Failed Indicators
Symptom
No solution spray from the hand tool or upholstery attachment, but the floor nozzle sprays normally.
Accessory Spray Line Blockage
Symptom
Solution tank does not stay in place or falls out during use.
Tank Latching / Retention Failure
Symptom
Strong burning smell from the carpet cleaner during use.
Overheating Motor or Belt Slippage
Symptom
The carpet cleaner leaves carpets excessively wet after cleaning.
Poor Extraction / Inadequate Water Recovery
Symptom
Trigger feels loose and does not spring back, with intermittent spray.
Mechanical Trigger Failure
Symptom
Unit drips solution from the nozzle when not pressing the trigger.
Solution Valve Not Sealing
Symptom
Unit operates but there is a high-pitched whistling noise from the tank area.
Air Leak at Tank or Gasket
Symptom
Unit vibrates excessively and is difficult to control on carpet.
Imbalanced Brush Roll / Loose Components
Symptom
Water appears in the clean water tank after use, looking dirty.
Cross-Contamination Between Clean and Dirty Circuits
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Carpet cleaner will not power on, no lights on control panel, no motor sound
|
Main Power Supply / Control Board Lockout | View Details |
| E02 |
Carpet cleaner powers on but brush motor does not run; suction motor may still operate
|
Brush Motor Drive Failure | View Details |
| E03 |
Carpet cleaner stops mid-operation and all LEDs flash; unit will not restart until cooled
|
Overtemperature / Thermal Cut-Out Activation | View Details |
| E04 |
No water spray from the nozzle; pump icon or water indicator flashes on display
|
Solution Pump / Water Flow Fault | View Details |
| E05 |
Dirty water tank full indicator active even when tank is empty; suction stops
|
Dirty Water Tank Level Sensor Fault | View Details |
| E06 |
Carpet cleaner runs but suction is very weak; display shows suction fault icon or E06
|
Suction Path Restriction / Partial Blockage | View Details |
| E07 |
Brush roll stops and E07 appears; burning smell may be present
|
Brush Roll Overload / Belt Slip | View Details |
| E08 |
The unit leaks water from its base, and E08 or a leak icon appears on the display.
|
Internal Water Leak / Leak Sensor Activation | View Details |
| E09 |
The display shows E09, and the unit will not spray or run the pump; an audible click can be heard from the control board.
|
Pump Overcurrent / Short Circuit Protection | View Details |
| E10 |
The display shows E10; the unit powers on, but neither the suction nor the brush motor starts.
|
Low Voltage / Input Supply Error | View Details |
| E11 |
E11 is displayed; the unit runs but shuts down when the trigger is pulled for solution spray.
|
Trigger Switch / Input Sensor Fault | View Details |
| E12 |
E12 appears, and the unit beeps; the brush motor starts then stops within a few seconds.
|
Brush Motor Tachometer / Speed Feedback Error | View Details |
| E13 |
E13 is displayed; the unit will not start, and a padlock or child icon is shown.
|
Child Lock / Safety Interlock Active | View Details |
| E14 |
E14 error; the unit runs but does not heat water (for models with an onboard heater).
|
Water Heater Circuit Fault | View Details |
| E15 |
E15 is displayed; the unit beeps and shuts down shortly after starting, often when tilted.
|
Tilt / Orientation Sensor Fault | View Details |
| – |
Carpet cleaner leaves a musty or moldy smell during use.
|
Microbial Growth in Tanks and Hoses | View Details |
| – |
Carpet cleaner leaves streaks or dirty lines on the carpet after passes.
|
Uneven Brush Contact / Contaminated Nozzle | View Details |
| – |
Carpet cleaner makes a loud rattling or grinding noise during operation.
|
Mechanical Drive Noise / Worn Bearings | View Details |
| – |
Carpet cleaner shuts off when moved over thick rugs but runs on hard floors.
|
Overload Protection Due to High Brush / Suction Load | View Details |
| – |
Carpet cleaner trips the household circuit breaker or RCD when switched on.
|
Electrical Short / Earth Leakage | View Details |
| – |
Carpet cleaner will not start unless the handle is fully upright or fully lowered.
|
Handle Position Switch / Interlock Issue | View Details |
| – |
Dirty water tank difficult to remove or reinstall.
|
Tank Alignment / Warping Issue | View Details |
| – |
Foam builds up in the dirty water tank, and suction becomes noisy or intermittent.
|
Excessive Detergent / Foam Ingestion | View Details |
| – |
Handle or body becomes unusually hot to the touch during operation.
|
Overheating Due to Restricted Airflow or Electrical Fault | View Details |
| – |
No lights or display, but a faint humming noise is heard from inside.
|
Stalled Motor / Jammed Pump with Failed Indicators | View Details |
| – |
No solution spray from the hand tool or upholstery attachment, but the floor nozzle sprays normally.
|
Accessory Spray Line Blockage | View Details |
| – |
Solution tank does not stay in place or falls out during use.
|
Tank Latching / Retention Failure | View Details |
| – |
Strong burning smell from the carpet cleaner during use.
|
Overheating Motor or Belt Slippage | View Details |
| – |
The carpet cleaner leaves carpets excessively wet after cleaning.
|
Poor Extraction / Inadequate Water Recovery | View Details |
| – |
Trigger feels loose and does not spring back, with intermittent spray.
|
Mechanical Trigger Failure | View Details |
| – |
Unit drips solution from the nozzle when not pressing the trigger.
|
Solution Valve Not Sealing | View Details |
| – |
Unit operates but there is a high-pitched whistling noise from the tank area.
|
Air Leak at Tank or Gasket | View Details |
| – |
Unit vibrates excessively and is difficult to control on carpet.
|
Imbalanced Brush Roll / Loose Components | View Details |
| – |
Water appears in the clean water tank after use, looking dirty.
|
Cross-Contamination Between Clean and Dirty Circuits | View Details |
No matching codes found
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