Hoover 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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E1
Cordless vacuum will not start; red LED flashes once repeatedly when the trigger is pulled.
Battery Pack Undervoltage Protection
E2
Cordless vacuum stops shortly after starting; red LED flashes twice in a repeating pattern.
Motor Overcurrent / Brushroll Overload
E3
Cordless vacuum cuts out; red LED flashes three times repeatedly, often when using turbo/boost mode.
Thermal Cut-Out / Overheating Protection
E4
Cordless vacuum will not run; red LED flashes four times in a repeating pattern immediately after the trigger is pulled.
Battery Overtemperature / Temperature Sensor Fault
E5
Cordless vacuum shows an error on the LED panel or flashes five times; the unit will not start or stops quickly.
Charger / Charging Circuit Fault
E6
Cordless vacuum with digital display shows E6 and will not run the brush bar; suction may still work.
Brush Motor Communication / Hall Sensor Error
E7
Cordless vacuum display shows E7; the unit powers on, but suction is very weak or cuts out under load.
Main Motor Speed Sensor / Tachometer Fault
E8
Cordless vacuum shows E8 or a continuous red light; the unit will not start, and the battery will not charge fully.
Battery Pack Cell Imbalance / Internal Fault
E9
Cordless vacuum with display shows E9 and shuts down when switching between modes or accessories.
Accessory Recognition / Communication Error
F1
Cordless stick vacuum shows F1 on the small display; suction stops, but lights remain on.
Dust Bin Not Fitted / Bin Microswitch Fault
F2
Cordless vacuum shows F2 and will not start, often after cleaning filters.
Filter Not Fitted / Filter Sensor Error
F3
Cordless vacuum shows F3 and suction is reduced, or the unit pulses on and off.
Airflow Restriction / Blockage Detected
F4
Cordless vacuum shows F4 and the brush bar does not rotate; suction may be normal.
Brush Bar Jam / Overload Protection
F5
Cordless vacuum shows F5 and will not switch into turbo/boost mode.
High Power Mode Current Limit Exceeded
F6
Cordless vacuum shows F6 and will not power on, even with a charged battery.
Trigger Switch / Power Button Fault
F7
Cordless vacuum shows F7 and runs only for a few seconds before shutting off.
Battery Capacity Below Threshold
Symptom
Cordless vacuum body or handle flexes, and air leaks are audible during use.
Cracked Housing / Seal Failure
Symptom
Cordless vacuum charges but the battery or charger gets unusually hot during charging.
Abnormal Charging Temperature
Symptom
Cordless vacuum handheld unit vibrates excessively during use.
Motor or Fan Imbalance
Symptom
Cordless vacuum has very weak suction, but the motor sounds normal.
Airflow Restriction / Loss of Seal
Symptom
Cordless vacuum motor pulses on and off repeatedly while trying to run.
Cyclone / Filter Blockage Causing Pressure Pulsing
Symptom
Cordless vacuum runs for only 1–3 minutes then stops, with no error code shown.
Severely Degraded Battery Capacity
Symptom
Cordless vacuum wall-mount dock does not charge the vacuum, but direct charging works.
Faulty Wall Dock Charging Path
Symptom
Cordless vacuum will not charge; charger LED flashes rapidly or shows an error color.
Charging Refused by Battery BMS
Symptom
Cordless vacuum will not turn on at all, with no lights, even with the charger connected.
No Power / Dead Unit
Symptom
The brush bar does not spin, but suction is present, and the lights on the floorhead may be on.
Brush Bar Drive Failure
Symptom
The cordless vacuum cuts out when tilted or when using certain attachments.
Intermittent Electrical Connection
Symptom
The cordless vacuum emits a burning smell during or after use.
Overheating Motor or Brush Bar
Symptom
The cordless vacuum leaves fine dust blowing out from the exhaust.
Failed or Missing Post-Motor Filter
Symptom
The cordless vacuum leaves lines of debris behind and does not pick up well from carpets.
Poor Floorhead Agitation / Blocked Nozzle
Symptom
The cordless vacuum makes a loud rattling or knocking noise from the floorhead when the brush is running.
Brush Bar Imbalance / Debris in Floorhead
Symptom
The cordless vacuum makes a loud, high-pitched whine or grinding noise during use.
Main Motor Bearing Wear / Foreign Object in Fan
Symptom
The cordless vacuum runs, but the battery indicator LEDs behave erratically (jumping from full to empty).
Battery Fuel Gauge Calibration Error
Symptom
The cordless vacuum smells musty or dusty when running.
Contaminated Filters / Dust Build-Up
Symptom
The cordless vacuum trigger must be held very hard to keep the unit running, or it sticks.
Mechanical Trigger Wear / Sticking
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Cordless vacuum will not start; red LED flashes once repeatedly when the trigger is pulled.
|
Battery Pack Undervoltage Protection | View Details |
| E2 |
Cordless vacuum stops shortly after starting; red LED flashes twice in a repeating pattern.
|
Motor Overcurrent / Brushroll Overload | View Details |
| E3 |
Cordless vacuum cuts out; red LED flashes three times repeatedly, often when using turbo/boost mode.
|
Thermal Cut-Out / Overheating Protection | View Details |
| E4 |
Cordless vacuum will not run; red LED flashes four times in a repeating pattern immediately after the trigger is pulled.
|
Battery Overtemperature / Temperature Sensor Fault | View Details |
| E5 |
Cordless vacuum shows an error on the LED panel or flashes five times; the unit will not start or stops quickly.
|
Charger / Charging Circuit Fault | View Details |
| E6 |
Cordless vacuum with digital display shows E6 and will not run the brush bar; suction may still work.
|
Brush Motor Communication / Hall Sensor Error | View Details |
| E7 |
Cordless vacuum display shows E7; the unit powers on, but suction is very weak or cuts out under load.
|
Main Motor Speed Sensor / Tachometer Fault | View Details |
| E8 |
Cordless vacuum shows E8 or a continuous red light; the unit will not start, and the battery will not charge fully.
|
Battery Pack Cell Imbalance / Internal Fault | View Details |
| E9 |
Cordless vacuum with display shows E9 and shuts down when switching between modes or accessories.
|
Accessory Recognition / Communication Error | View Details |
| F1 |
Cordless stick vacuum shows F1 on the small display; suction stops, but lights remain on.
|
Dust Bin Not Fitted / Bin Microswitch Fault | View Details |
| F2 |
Cordless vacuum shows F2 and will not start, often after cleaning filters.
|
Filter Not Fitted / Filter Sensor Error | View Details |
| F3 |
Cordless vacuum shows F3 and suction is reduced, or the unit pulses on and off.
|
Airflow Restriction / Blockage Detected | View Details |
| F4 |
Cordless vacuum shows F4 and the brush bar does not rotate; suction may be normal.
|
Brush Bar Jam / Overload Protection | View Details |
| F5 |
Cordless vacuum shows F5 and will not switch into turbo/boost mode.
|
High Power Mode Current Limit Exceeded | View Details |
| F6 |
Cordless vacuum shows F6 and will not power on, even with a charged battery.
|
Trigger Switch / Power Button Fault | View Details |
| F7 |
Cordless vacuum shows F7 and runs only for a few seconds before shutting off.
|
Battery Capacity Below Threshold | View Details |
| – |
Cordless vacuum body or handle flexes, and air leaks are audible during use.
|
Cracked Housing / Seal Failure | View Details |
| – |
Cordless vacuum charges but the battery or charger gets unusually hot during charging.
|
Abnormal Charging Temperature | View Details |
| – |
Cordless vacuum handheld unit vibrates excessively during use.
|
Motor or Fan Imbalance | View Details |
| – |
Cordless vacuum has very weak suction, but the motor sounds normal.
|
Airflow Restriction / Loss of Seal | View Details |
| – |
Cordless vacuum motor pulses on and off repeatedly while trying to run.
|
Cyclone / Filter Blockage Causing Pressure Pulsing | View Details |
| – |
Cordless vacuum runs for only 1–3 minutes then stops, with no error code shown.
|
Severely Degraded Battery Capacity | View Details |
| – |
Cordless vacuum wall-mount dock does not charge the vacuum, but direct charging works.
|
Faulty Wall Dock Charging Path | View Details |
| – |
Cordless vacuum will not charge; charger LED flashes rapidly or shows an error color.
|
Charging Refused by Battery BMS | View Details |
| – |
Cordless vacuum will not turn on at all, with no lights, even with the charger connected.
|
No Power / Dead Unit | View Details |
| – |
The brush bar does not spin, but suction is present, and the lights on the floorhead may be on.
|
Brush Bar Drive Failure | View Details |
| – |
The cordless vacuum cuts out when tilted or when using certain attachments.
|
Intermittent Electrical Connection | View Details |
| – |
The cordless vacuum emits a burning smell during or after use.
|
Overheating Motor or Brush Bar | View Details |
| – |
The cordless vacuum leaves fine dust blowing out from the exhaust.
|
Failed or Missing Post-Motor Filter | View Details |
| – |
The cordless vacuum leaves lines of debris behind and does not pick up well from carpets.
|
Poor Floorhead Agitation / Blocked Nozzle | View Details |
| – |
The cordless vacuum makes a loud rattling or knocking noise from the floorhead when the brush is running.
|
Brush Bar Imbalance / Debris in Floorhead | View Details |
| – |
The cordless vacuum makes a loud, high-pitched whine or grinding noise during use.
|
Main Motor Bearing Wear / Foreign Object in Fan | View Details |
| – |
The cordless vacuum runs, but the battery indicator LEDs behave erratically (jumping from full to empty).
|
Battery Fuel Gauge Calibration Error | View Details |
| – |
The cordless vacuum smells musty or dusty when running.
|
Contaminated Filters / Dust Build-Up | View Details |
| – |
The cordless vacuum trigger must be held very hard to keep the unit running, or it sticks.
|
Mechanical Trigger Wear / Sticking | View Details |
No matching codes found
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