TCL
TCL 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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C1
Vacuum shows C1 and may not start; often after a drop or impact.
Tilt / Roll Sensor or Safety Switch Triggered
C2
Vacuum shows C2 and shuts off when lifted or used at certain angles.
Handle / Trigger Safety Switch Fault
E1
Cordless vacuum will not power on, display shows E1 shortly after pressing the power button.
Main Battery Pack Protection / Undervoltage Lockout
E2
Vacuum powers on but quickly shuts off with E2 on the display or flashing red battery icon and beeps.
Battery Overcurrent / Short Circuit Protection
E3
Vacuum stops during use and displays E3 or a red overheat icon; unit feels hot to the touch.
Motor Overheating / Thermal Cutout
E4
Display shows E4 and the motorized floor head will not spin, though suction may still work.
Brush Roll Motor Overload / Stall
E5
Vacuum beeps and shows E5; unit may not start or may shut down shortly after starting, often after charging.
Battery Temperature Sensor Fault
E6
Display shows E6 and the vacuum will not run; sometimes accompanied by no response from buttons.
Main Control PCB Communication / Logic Fault
E7
Vacuum shows E7 and the LED lights on the floor head flash; brush will not operate.
Floor Head Communication Error
E8
Vacuum displays E8 and suction is weak or stops; often occurs when filters are dirty.
Airflow Restriction / Blockage Detected
E9
Vacuum shows E9 and will not charge or stops charging prematurely.
Charging Circuit / Charger Fault
F1
Vacuum shows F1 and suction is significantly reduced; filters icon may flash.
Pre-Motor Filter Blocked
F2
Vacuum shows F2 and exhaust airflow is weak; HEPA filter icon may flash.
HEPA / Post-Motor Filter Blocked
F3
Vacuum shows F3 and runs only in low power or shuts off when switching to turbo mode.
High-Power Mode Overload Protection
F4
Vacuum shows F4 and the LED work light or display flickers; unit may shut off randomly.
Low Voltage / Power Supply Instability
F5
Vacuum shows F5 and none of the buttons respond, or the mode button does not change suction level.
Keypad / Button Panel Fault
F6
Vacuum shows F6 and the LED display or indicator lights do not function correctly.
Display / LED Driver Fault
Symptom
Battery will not charge; charger LED stays off or blinks abnormally.
Charging Failure
Symptom
Brush roll does not spin, but suction works normally; no error code displayed.
Brush Roll Drive Failure
Symptom
Dust escapes from around the dust bin or filter area during use.
Seal Failure / Filter Bypass
Symptom
LED headlight on the TCL motorized floor head does not turn on, but the brush and suction work.
Floor Head LED Failure
Symptom
Mini motorized tool (for upholstery) does not spin when attached, but main floor head works.
Accessory Motor Power Loss
Symptom
Vacuum cannot be mounted securely on the TCL wall dock or falls off easily.
Docking Bracket / Latch Wear
Symptom
Vacuum emits an unpleasant musty or dusty odor during use.
Contaminated Filters and Dust Bin
Symptom
Vacuum handle or body gives a mild static shock during use.
Static Electricity Build-Up
Symptom
Vacuum has very weak suction even though the motor sounds normal.
Airflow Leakage / Partial Blockage
Symptom
Vacuum leaves debris on carpet even though the brush roll spins.
Ineffective Agitation / Worn Brush Roll
Symptom
Vacuum leaves fine dust on hard floors even after multiple passes.
Poor Hard Floor Pickup
Symptom
Vacuum main body becomes very hot to touch even with clean filters.
Internal Motor Cooling Failure
Symptom
Vacuum makes a clicking or intermittent tapping noise from the floor head while moving.
Debris in Floor Head or Damaged Wheels
Symptom
Vacuum makes a loud high-pitched whistling noise during use.
Air Leak at Seals or Cracked Housing
Symptom
Vacuum makes loud rattling or grinding noises from the main body.
Main Motor Bearing or Fan Damage
Symptom
Vacuum produces a burning smell or hot plastic odor during or after use.
Motor or Brush Roll Overheating
Symptom
Vacuum runs for a very short time (1–3 minutes) on a full charge before the battery is empty.
Severely Reduced Battery Capacity
Symptom
Vacuum turns on but shuts off after a few seconds of use without showing an error code.
Intermittent Power Cut / Protection Trip
Symptom
Vacuum vibrates excessively or feels unstable when using the motorized floor head.
Brush Roll Imbalance or Debris Build-Up
Symptom
Vacuum will not turn on at all; no lights, no sound, no response to buttons.
Complete Power Loss
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| C1 |
Vacuum shows C1 and may not start; often after a drop or impact.
|
Tilt / Roll Sensor or Safety Switch Triggered | View Details |
| C2 |
Vacuum shows C2 and shuts off when lifted or used at certain angles.
|
Handle / Trigger Safety Switch Fault | View Details |
| E1 |
Cordless vacuum will not power on, display shows E1 shortly after pressing the power button.
|
Main Battery Pack Protection / Undervoltage Lockout | View Details |
| E2 |
Vacuum powers on but quickly shuts off with E2 on the display or flashing red battery icon and beeps.
|
Battery Overcurrent / Short Circuit Protection | View Details |
| E3 |
Vacuum stops during use and displays E3 or a red overheat icon; unit feels hot to the touch.
|
Motor Overheating / Thermal Cutout | View Details |
| E4 |
Display shows E4 and the motorized floor head will not spin, though suction may still work.
|
Brush Roll Motor Overload / Stall | View Details |
| E5 |
Vacuum beeps and shows E5; unit may not start or may shut down shortly after starting, often after charging.
|
Battery Temperature Sensor Fault | View Details |
| E6 |
Display shows E6 and the vacuum will not run; sometimes accompanied by no response from buttons.
|
Main Control PCB Communication / Logic Fault | View Details |
| E7 |
Vacuum shows E7 and the LED lights on the floor head flash; brush will not operate.
|
Floor Head Communication Error | View Details |
| E8 |
Vacuum displays E8 and suction is weak or stops; often occurs when filters are dirty.
|
Airflow Restriction / Blockage Detected | View Details |
| E9 |
Vacuum shows E9 and will not charge or stops charging prematurely.
|
Charging Circuit / Charger Fault | View Details |
| F1 |
Vacuum shows F1 and suction is significantly reduced; filters icon may flash.
|
Pre-Motor Filter Blocked | View Details |
| F2 |
Vacuum shows F2 and exhaust airflow is weak; HEPA filter icon may flash.
|
HEPA / Post-Motor Filter Blocked | View Details |
| F3 |
Vacuum shows F3 and runs only in low power or shuts off when switching to turbo mode.
|
High-Power Mode Overload Protection | View Details |
| F4 |
Vacuum shows F4 and the LED work light or display flickers; unit may shut off randomly.
|
Low Voltage / Power Supply Instability | View Details |
| F5 |
Vacuum shows F5 and none of the buttons respond, or the mode button does not change suction level.
|
Keypad / Button Panel Fault | View Details |
| F6 |
Vacuum shows F6 and the LED display or indicator lights do not function correctly.
|
Display / LED Driver Fault | View Details |
| – |
Battery will not charge; charger LED stays off or blinks abnormally.
|
Charging Failure | View Details |
| – |
Brush roll does not spin, but suction works normally; no error code displayed.
|
Brush Roll Drive Failure | View Details |
| – |
Dust escapes from around the dust bin or filter area during use.
|
Seal Failure / Filter Bypass | View Details |
| – |
LED headlight on the TCL motorized floor head does not turn on, but the brush and suction work.
|
Floor Head LED Failure | View Details |
| – |
Mini motorized tool (for upholstery) does not spin when attached, but main floor head works.
|
Accessory Motor Power Loss | View Details |
| – |
Vacuum cannot be mounted securely on the TCL wall dock or falls off easily.
|
Docking Bracket / Latch Wear | View Details |
| – |
Vacuum emits an unpleasant musty or dusty odor during use.
|
Contaminated Filters and Dust Bin | View Details |
| – |
Vacuum handle or body gives a mild static shock during use.
|
Static Electricity Build-Up | View Details |
| – |
Vacuum has very weak suction even though the motor sounds normal.
|
Airflow Leakage / Partial Blockage | View Details |
| – |
Vacuum leaves debris on carpet even though the brush roll spins.
|
Ineffective Agitation / Worn Brush Roll | View Details |
| – |
Vacuum leaves fine dust on hard floors even after multiple passes.
|
Poor Hard Floor Pickup | View Details |
| – |
Vacuum main body becomes very hot to touch even with clean filters.
|
Internal Motor Cooling Failure | View Details |
| – |
Vacuum makes a clicking or intermittent tapping noise from the floor head while moving.
|
Debris in Floor Head or Damaged Wheels | View Details |
| – |
Vacuum makes a loud high-pitched whistling noise during use.
|
Air Leak at Seals or Cracked Housing | View Details |
| – |
Vacuum makes loud rattling or grinding noises from the main body.
|
Main Motor Bearing or Fan Damage | View Details |
| – |
Vacuum produces a burning smell or hot plastic odor during or after use.
|
Motor or Brush Roll Overheating | View Details |
| – |
Vacuum runs for a very short time (1–3 minutes) on a full charge before the battery is empty.
|
Severely Reduced Battery Capacity | View Details |
| – |
Vacuum turns on but shuts off after a few seconds of use without showing an error code.
|
Intermittent Power Cut / Protection Trip | View Details |
| – |
Vacuum vibrates excessively or feels unstable when using the motorized floor head.
|
Brush Roll Imbalance or Debris Build-Up | View Details |
| – |
Vacuum will not turn on at all; no lights, no sound, no response to buttons.
|
Complete Power Loss | View Details |
No matching codes found
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