Logik 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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br
Display shows 'br' and the brushroll does not spin, though suction may be present.
Brushroll Jam / Blockage Warning
CH
Display shows 'CH' when the vacuum is placed on the charger or dock and it does not charge.
Charger Recognition / Charging Error
dU
Display shows 'dU' and the vacuum will not start after emptying the bin.
Dust Bin / Cup Not Installed or Not Detected
E1
Vacuum will not power on; display shows E1 shortly after pressing the power button.
Main Battery Pack Undervoltage Protection
E2
Vacuum stops during use and displays E2; may restart after cooling down.
Main Motor Overheat Protection
E3
Vacuum cuts out when using motorized floor head; E3 appears on display, handheld unit alone may work.
Brushroll Motor Overload / Stall Detection
E4
Vacuum will not start and shows E4; sometimes occurs after battery removal or drop.
Battery Pack Communication / BMS Error
E5
Vacuum shuts off shortly after starting; display shows E5, often when using high power mode.
Overcurrent Protection / Motor Overload
E6
Vacuum does not respond to trigger or power button; E6 flashes briefly on the display.
Trigger / Power Switch Circuit Fault
E7
Vacuum runs but suction is weak and E7 appears intermittently, often after filter cleaning.
Airflow Sensor / Pressure Sensor Fault
E8
Vacuum will not charge; charger LED may flash and the vacuum display shows E8 when docked or plugged in.
Charging Circuit / Dock Fault
E9
Vacuum display shows E9 and unit will not run; often after a drop or impact.
Internal Communication Error Between Control PCB and Motor Module
F1
Vacuum shows F1 and runs only at one speed or not at all when changing modes.
Mode Selector / Speed Control Fault
F2
Vacuum displays F2 and shuts down when using powered accessories such as mini motorized tool.
Accessory Motor Overload / Short Detection
F3
Vacuum shows F3 and suction pulses or surges during operation.
Cyclone Blockage / Differential Pressure Error
F4
Vacuum shows F4 and the LED battery indicator behaves erratically (jumping from full to empty).
Battery Level Sensing / Calibration Error
F5
Vacuum displays F5 and the LED lights on the floor head do not work or flicker.
LED Lighting Circuit Fault in Floor Head
FL
Display shows 'FL' and suction is reduced; often accompanied by a whistling noise.
Full Dust Bin / Filter Load Warning
Hi
Display shows 'Hi' and the vacuum reduces power or shuts off after a short period.
High Temperature Warning
Lo
Display shows 'Lo' and the vacuum either will not start or stops quickly.
Low Battery Charge Level
Symptom
Attachments such as crevice tool or upholstery tool fall off easily during use.
Worn Tool Locking Mechanism
Symptom
Brushroll spins but there is poor pickup of debris from carpets.
Brushroll Wear / Floor Head Performance Loss
Symptom
LED lights on the floor head flicker during use but the brushroll continues to spin.
Intermittent LED Power Supply
Symptom
Vacuum emits a burning smell during or after use.
Overheating Motor or Brushroll
Symptom
Vacuum handle or body becomes uncomfortably hot to touch during normal use.
Overheating Motor or Electronics
Symptom
Vacuum has very weak suction even though the motor sounds normal.
Airflow Restriction / Loss of Sealing
Symptom
Vacuum is very noisy with rattling or grinding sounds.
Mechanical Damage in Motor or Floor Head
Symptom
Vacuum leaves lines of debris behind the floor head instead of picking everything up.
Floor Head Blockage / Brushroll Design Issue
Symptom
Vacuum makes a loud high‑pitched whine during operation.
Motor Bearing Wear / Air Leak Noise
Symptom
Vacuum produces a high‑pitched whistle and suction seems reduced.
Air Leak at Seals or Joints
Symptom
Vacuum runs for only a few minutes on a full charge before stopping.
Battery Capacity Degradation
Symptom
Vacuum shuts off randomly during use without any error code.
Intermittent Power Loss
Symptom
Vacuum smells musty or unpleasant during use.
Contaminated Filters and Dust Bin
Symptom
Vacuum spits dust or debris out of the exhaust vent.
Damaged or Missing HEPA / Post‑Motor Filter
Symptom
Vacuum vibrates excessively, especially when using the motorized floor head.
Imbalanced Brushroll or Debris Build‑Up
Symptom
Vacuum will not start at all; no lights or response when pressing the power button.
No Power / Dead Unit
Symptom
Wall mount or charging dock feels loose or unstable on the wall.
Improper Dock Installation
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| br |
Display shows 'br' and the brushroll does not spin, though suction may be present.
|
Brushroll Jam / Blockage Warning | View Details |
| CH |
Display shows 'CH' when the vacuum is placed on the charger or dock and it does not charge.
|
Charger Recognition / Charging Error | View Details |
| dU |
Display shows 'dU' and the vacuum will not start after emptying the bin.
|
Dust Bin / Cup Not Installed or Not Detected | View Details |
| E1 |
Vacuum will not power on; display shows E1 shortly after pressing the power button.
|
Main Battery Pack Undervoltage Protection | View Details |
| E2 |
Vacuum stops during use and displays E2; may restart after cooling down.
|
Main Motor Overheat Protection | View Details |
| E3 |
Vacuum cuts out when using motorized floor head; E3 appears on display, handheld unit alone may work.
|
Brushroll Motor Overload / Stall Detection | View Details |
| E4 |
Vacuum will not start and shows E4; sometimes occurs after battery removal or drop.
|
Battery Pack Communication / BMS Error | View Details |
| E5 |
Vacuum shuts off shortly after starting; display shows E5, often when using high power mode.
|
Overcurrent Protection / Motor Overload | View Details |
| E6 |
Vacuum does not respond to trigger or power button; E6 flashes briefly on the display.
|
Trigger / Power Switch Circuit Fault | View Details |
| E7 |
Vacuum runs but suction is weak and E7 appears intermittently, often after filter cleaning.
|
Airflow Sensor / Pressure Sensor Fault | View Details |
| E8 |
Vacuum will not charge; charger LED may flash and the vacuum display shows E8 when docked or plugged in.
|
Charging Circuit / Dock Fault | View Details |
| E9 |
Vacuum display shows E9 and unit will not run; often after a drop or impact.
|
Internal Communication Error Between Control PCB and Motor Module | View Details |
| F1 |
Vacuum shows F1 and runs only at one speed or not at all when changing modes.
|
Mode Selector / Speed Control Fault | View Details |
| F2 |
Vacuum displays F2 and shuts down when using powered accessories such as mini motorized tool.
|
Accessory Motor Overload / Short Detection | View Details |
| F3 |
Vacuum shows F3 and suction pulses or surges during operation.
|
Cyclone Blockage / Differential Pressure Error | View Details |
| F4 |
Vacuum shows F4 and the LED battery indicator behaves erratically (jumping from full to empty).
|
Battery Level Sensing / Calibration Error | View Details |
| F5 |
Vacuum displays F5 and the LED lights on the floor head do not work or flicker.
|
LED Lighting Circuit Fault in Floor Head | View Details |
| FL |
Display shows 'FL' and suction is reduced; often accompanied by a whistling noise.
|
Full Dust Bin / Filter Load Warning | View Details |
| Hi |
Display shows 'Hi' and the vacuum reduces power or shuts off after a short period.
|
High Temperature Warning | View Details |
| Lo |
Display shows 'Lo' and the vacuum either will not start or stops quickly.
|
Low Battery Charge Level | View Details |
| – |
Attachments such as crevice tool or upholstery tool fall off easily during use.
|
Worn Tool Locking Mechanism | View Details |
| – |
Brushroll spins but there is poor pickup of debris from carpets.
|
Brushroll Wear / Floor Head Performance Loss | View Details |
| – |
LED lights on the floor head flicker during use but the brushroll continues to spin.
|
Intermittent LED Power Supply | View Details |
| – |
Vacuum emits a burning smell during or after use.
|
Overheating Motor or Brushroll | View Details |
| – |
Vacuum handle or body becomes uncomfortably hot to touch during normal use.
|
Overheating Motor or Electronics | View Details |
| – |
Vacuum has very weak suction even though the motor sounds normal.
|
Airflow Restriction / Loss of Sealing | View Details |
| – |
Vacuum is very noisy with rattling or grinding sounds.
|
Mechanical Damage in Motor or Floor Head | View Details |
| – |
Vacuum leaves lines of debris behind the floor head instead of picking everything up.
|
Floor Head Blockage / Brushroll Design Issue | View Details |
| – |
Vacuum makes a loud high‑pitched whine during operation.
|
Motor Bearing Wear / Air Leak Noise | View Details |
| – |
Vacuum produces a high‑pitched whistle and suction seems reduced.
|
Air Leak at Seals or Joints | View Details |
| – |
Vacuum runs for only a few minutes on a full charge before stopping.
|
Battery Capacity Degradation | View Details |
| – |
Vacuum shuts off randomly during use without any error code.
|
Intermittent Power Loss | View Details |
| – |
Vacuum smells musty or unpleasant during use.
|
Contaminated Filters and Dust Bin | View Details |
| – |
Vacuum spits dust or debris out of the exhaust vent.
|
Damaged or Missing HEPA / Post‑Motor Filter | View Details |
| – |
Vacuum vibrates excessively, especially when using the motorized floor head.
|
Imbalanced Brushroll or Debris Build‑Up | View Details |
| – |
Vacuum will not start at all; no lights or response when pressing the power button.
|
No Power / Dead Unit | View Details |
| – |
Wall mount or charging dock feels loose or unstable on the wall.
|
Improper Dock Installation | View Details |
No matching codes found
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