Bosch Cordless 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
Cordless vacuum will not power on; the display shows E01 or a single blink pattern on the battery indicator.
Battery Pack Undervoltage / Deep Discharge Protection
E02
The vacuum shuts off shortly after starting; the display shows E02 or a two-blink pattern, and suction is weak before shutdown.
Motor Overcurrent / Blocked Airflow Protection
E03
Bosch cordless vacuum stops and displays E03, often when using a motorized floor nozzle or turbo brush.
Brush Roll Motor Overload / Blocked Brush Bar
E04
Vacuum shows E04 and runs only at reduced power or shuts off after a few seconds.
Overheating Protection (Motor Temperature Sensor Triggered)
E05
Bosch cordless vacuum will not charge, charger LED blinks an error pattern, vacuum display shows E05 when the battery is inserted.
Battery Pack Overtemperature / Temperature Sensor Fault
E06
Vacuum display shows E06; the unit may not start or runs erratically, and speed control is not responding correctly.
Main Control PCB / Communication Fault
E07
Vacuum shows E07, and suction is very low even with an empty bin and clean nozzle.
Sensor Fault – Dust Sensor / Airflow Sensor Error
E08
Vacuum shows E08; the motor does not start, sometimes accompanied by a brief click or twitch.
Motor Start Failure / Motor Driver Fault
E09
Vacuum shows E09; it runs only a few seconds then stops, even though the battery indicator appears normal.
Battery Current Sensor / Shunt Fault
E10
Vacuum shows E10, the LED ring flashes, and the unit may not respond to the trigger.
Trigger / User Interface Error
E11
Vacuum shows E11; automatic carpet/boost mode is not working, and suction stays at one level.
Floor Type / Torque Sensor Fault in Motorized Nozzle
E12
Vacuum shows E12; Wi‑Fi or app connectivity features are not working (for smart Bosch cordless models).
Wireless Module / Connectivity Error
F0
Display shows F0; the vacuum refuses to start, often after filter removal.
Filter Not Detected / Filter Position Sensor Error
F1
Display shows F1, dust container icon flashing, vacuum will not start.
Dust Container Not Fitted / Bin Detection Fault
F2
Display shows F2, filter icon illuminated, suction reduced.
Filter Clogged Warning
F3
Display shows F3, brush icon flashing, motorized nozzle does not spin.
Brush Motor Electrical Fault
F4
Display shows F4, vacuum runs but battery drains extremely quickly.
Battery Capacity / Calibration Error
F5
Display shows F5, vacuum beeps and stops when switching power modes.
Mode Selector / Control Logic Error
Symptom
Battery indicator shows full, but the vacuum stops after a few seconds of use.
Battery Voltage Sag Under Load
Symptom
Handheld unit vibrates excessively, especially at higher power.
Imbalanced Motor Fan or Debris in Cyclone
Symptom
LED lights on the floor nozzle do not turn on, but the brush and suction work normally.
Nozzle LED Circuit Failure
Symptom
Motorized floor brush does not spin, but suction is normal and no error code is shown.
Mechanical Brush Roll Jam
Symptom
Vacuum body becomes uncomfortably hot to touch during normal use.
Insufficient Cooling / Overload
Symptom
Vacuum does not pick up fine dust well from hard floors
Incorrect Nozzle Type or Blocked Hard Floor Channels
Symptom
Vacuum does not respond to the trigger, but the battery indicator lights when inserted.
Trigger Switch Failure
Symptom
Vacuum emits a burning smell or hot plastic odor during operation.
Motor Overheating / Electrical Insulation Breakdown
Symptom
Vacuum handle or body has visible cracks after a drop and performance is affected
Structural Damage / Misalignment
Symptom
Vacuum has very weak suction even though the motor sounds normal.
Airflow Restriction / Loss of Sealing
Symptom
Vacuum is extremely loud or makes grinding/rumbling noises.
Motor Bearing Wear or Fan Damage
Symptom
Vacuum leaves lines of debris behind and does not pick up well from carpets.
Worn Brush Roll Bristles / Incorrect Height
Symptom
Vacuum makes a high-pitched whistling noise during use.
Air Leak at Seals or Cracked Housing
Symptom
Vacuum produces an unpleasant musty or moldy smell when running.
Contaminated Filters / Dust Container
Symptom
Vacuum runs only in low power and will not switch to higher modes
Power Mode Limitation Due to Overheat or Fault
Symptom
Vacuum shuts off intermittently when moving the handle or rotating the wand.
Intermittent Power Connection / Broken Wiring
Symptom
Vacuum suddenly stops when using motorized pet hair or mini turbo brush attachment
Accessory Brush Overload
Symptom
Vacuum tube or wand is difficult to attach/detach or feels loose during use.
Mechanical Coupling Wear / Deformation
Symptom
Vacuum will not stand in the charging station or does not charge when docked.
Charging Dock Alignment / Contact Fault
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Cordless vacuum will not power on; the display shows E01 or a single blink pattern on the battery indicator.
|
Battery Pack Undervoltage / Deep Discharge Protection | View Details |
| E02 |
The vacuum shuts off shortly after starting; the display shows E02 or a two-blink pattern, and suction is weak before shutdown.
|
Motor Overcurrent / Blocked Airflow Protection | View Details |
| E03 |
Bosch cordless vacuum stops and displays E03, often when using a motorized floor nozzle or turbo brush.
|
Brush Roll Motor Overload / Blocked Brush Bar | View Details |
| E04 |
Vacuum shows E04 and runs only at reduced power or shuts off after a few seconds.
|
Overheating Protection (Motor Temperature Sensor Triggered) | View Details |
| E05 |
Bosch cordless vacuum will not charge, charger LED blinks an error pattern, vacuum display shows E05 when the battery is inserted.
|
Battery Pack Overtemperature / Temperature Sensor Fault | View Details |
| E06 |
Vacuum display shows E06; the unit may not start or runs erratically, and speed control is not responding correctly.
|
Main Control PCB / Communication Fault | View Details |
| E07 |
Vacuum shows E07, and suction is very low even with an empty bin and clean nozzle.
|
Sensor Fault – Dust Sensor / Airflow Sensor Error | View Details |
| E08 |
Vacuum shows E08; the motor does not start, sometimes accompanied by a brief click or twitch.
|
Motor Start Failure / Motor Driver Fault | View Details |
| E09 |
Vacuum shows E09; it runs only a few seconds then stops, even though the battery indicator appears normal.
|
Battery Current Sensor / Shunt Fault | View Details |
| E10 |
Vacuum shows E10, the LED ring flashes, and the unit may not respond to the trigger.
|
Trigger / User Interface Error | View Details |
| E11 |
Vacuum shows E11; automatic carpet/boost mode is not working, and suction stays at one level.
|
Floor Type / Torque Sensor Fault in Motorized Nozzle | View Details |
| E12 |
Vacuum shows E12; Wi‑Fi or app connectivity features are not working (for smart Bosch cordless models).
|
Wireless Module / Connectivity Error | View Details |
| F0 |
Display shows F0; the vacuum refuses to start, often after filter removal.
|
Filter Not Detected / Filter Position Sensor Error | View Details |
| F1 |
Display shows F1, dust container icon flashing, vacuum will not start.
|
Dust Container Not Fitted / Bin Detection Fault | View Details |
| F2 |
Display shows F2, filter icon illuminated, suction reduced.
|
Filter Clogged Warning | View Details |
| F3 |
Display shows F3, brush icon flashing, motorized nozzle does not spin.
|
Brush Motor Electrical Fault | View Details |
| F4 |
Display shows F4, vacuum runs but battery drains extremely quickly.
|
Battery Capacity / Calibration Error | View Details |
| F5 |
Display shows F5, vacuum beeps and stops when switching power modes.
|
Mode Selector / Control Logic Error | View Details |
| – |
Battery indicator shows full, but the vacuum stops after a few seconds of use.
|
Battery Voltage Sag Under Load | View Details |
| – |
Handheld unit vibrates excessively, especially at higher power.
|
Imbalanced Motor Fan or Debris in Cyclone | View Details |
| – |
LED lights on the floor nozzle do not turn on, but the brush and suction work normally.
|
Nozzle LED Circuit Failure | View Details |
| – |
Motorized floor brush does not spin, but suction is normal and no error code is shown.
|
Mechanical Brush Roll Jam | View Details |
| – |
Vacuum body becomes uncomfortably hot to touch during normal use.
|
Insufficient Cooling / Overload | View Details |
| – |
Vacuum does not pick up fine dust well from hard floors
|
Incorrect Nozzle Type or Blocked Hard Floor Channels | View Details |
| – |
Vacuum does not respond to the trigger, but the battery indicator lights when inserted.
|
Trigger Switch Failure | View Details |
| – |
Vacuum emits a burning smell or hot plastic odor during operation.
|
Motor Overheating / Electrical Insulation Breakdown | View Details |
| – |
Vacuum handle or body has visible cracks after a drop and performance is affected
|
Structural Damage / Misalignment | View Details |
| – |
Vacuum has very weak suction even though the motor sounds normal.
|
Airflow Restriction / Loss of Sealing | View Details |
| – |
Vacuum is extremely loud or makes grinding/rumbling noises.
|
Motor Bearing Wear or Fan Damage | View Details |
| – |
Vacuum leaves lines of debris behind and does not pick up well from carpets.
|
Worn Brush Roll Bristles / Incorrect Height | View Details |
| – |
Vacuum makes a high-pitched whistling noise during use.
|
Air Leak at Seals or Cracked Housing | View Details |
| – |
Vacuum produces an unpleasant musty or moldy smell when running.
|
Contaminated Filters / Dust Container | View Details |
| – |
Vacuum runs only in low power and will not switch to higher modes
|
Power Mode Limitation Due to Overheat or Fault | View Details |
| – |
Vacuum shuts off intermittently when moving the handle or rotating the wand.
|
Intermittent Power Connection / Broken Wiring | View Details |
| – |
Vacuum suddenly stops when using motorized pet hair or mini turbo brush attachment
|
Accessory Brush Overload | View Details |
| – |
Vacuum tube or wand is difficult to attach/detach or feels loose during use.
|
Mechanical Coupling Wear / Deformation | View Details |
| – |
Vacuum will not stand in the charging station or does not charge when docked.
|
Charging Dock Alignment / Contact Fault | View Details |
No matching codes found
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