Medion Cordless Vacuums Error Codes

E1

Cordless vacuum will not power on, battery LEDs remain off even when pressing the power button

Main Power-On Failure

E10

Cordless vacuum shows E10 and the LED battery indicator behaves erratically (jumping from full to empty)

Battery Communication / Calibration Error

E11

Cordless vacuum displays E11 and the LED ring or display backlight does not function correctly

LED Indicator / Display Driver Fault

E12

Cordless vacuum shows E12 and the dust bin full indicator stays on even when the bin is empty

Dust Bin / Airflow Sensor Fault

E13

Cordless vacuum displays E13 and shuts down shortly after starting, especially when filters are installed

Filter Recognition / Filter Blockage Sensor Fault

E14

Cordless vacuum shows E14 and the brush head LEDs flicker or do not light while the brush still spins

Brush Head LED / Accessory Power Fault

E15

Cordless vacuum displays E15 and cannot detect or power certain motorized accessories (e.g., mini turbo brush)

Accessory Detection / Power Output Fault

E2

Cordless vacuum powers on but shuts off within a few seconds, battery LEDs flash briefly

Battery Undervoltage Protection

E3

Cordless vacuum shows E3 on the display or flashes three times and stops when the motor tries to start

Motor Overcurrent / Blocked Motor Protection

E4

Cordless vacuum displays E4 or flashes four times and suction is very weak even with a clean bin

Airflow Restriction / Overheating Protection

E5

Cordless vacuum shows E5 or five flashing LEDs and will not run the brush roll

Brush Motor / Floor Nozzle Fault

E6

Cordless vacuum displays E6 or six blinking LEDs and will not charge the battery

Charging Circuit Fault

E7

Cordless vacuum shows E7 and runs only at low power or not at all when set to turbo mode

Battery Overtemperature / Overload Protection

E8

Cordless vacuum displays E8 and the motor speed surges up and down or will not reach full power

Motor Speed Sensor / Control Fault

E9

Cordless vacuum shows E9 and immediately stops when the trigger or power button is pressed

Short Circuit / Internal Electronics Fault

Symptom

Brush roll does not spin, but suction is present

Brush Drive Failure

Symptom

LED battery indicator does not light at all, but the vacuum still runs

Battery Indicator LED Failure

Symptom

Mini motorized upholstery tool stops frequently or runs very slowly

Accessory Motor Overload / Blockage

Symptom

Vacuum body becomes unusually hot to touch near the motor area

Insufficient Cooling / Motor Overheating

Symptom

Vacuum cannot be converted to handheld mode because the release button is jammed

Release Mechanism Jam

Symptom

Vacuum charges extremely slowly or never reaches full charge

Reduced Charging Current

Symptom

Vacuum display or LEDs flicker when changing suction modes or when the brush engages

Voltage Drop / Power Distribution Issue

Symptom

Vacuum does not hold accessories securely; tools fall off during use

Accessory Latch / Coupling Wear

Symptom

Vacuum does not respond to mode changes (eco/normal/turbo) and stays at one speed

Mode Selector / Control Fault

Symptom

Vacuum emits a burning smell or visible smoke during use

Electrical Overheating / Motor Burnout

Symptom

Vacuum has very weak suction even though the motor sounds normal

Airflow Restriction / Loss of Sealing

Symptom

Vacuum intermittently cuts out when moving the wand or twisting the handle

Intermittent Connection in Wiring Harness

Symptom

Vacuum leaves a dusty smell or musty odor during operation

Contaminated Filters / Dust Path

Symptom

Vacuum leaves lines of debris on carpet and does not pick up well at the edges of the nozzle

Poor Floor Contact / Worn Brush Bristles

Symptom

Vacuum makes loud rattling or grinding noises during operation

Mechanical Noise / Bearing Failure

Symptom

Vacuum produces a high-pitched whistling noise and suction seems reduced

Air Leak in Suction Path

Symptom

Vacuum runs for only a few minutes on a full charge before shutting off

Battery Capacity Degradation

Symptom

Vacuum spits debris back out of the nozzle when turned off

Debris Fall-Back / Check Valve Issue

Symptom

Vacuum suddenly shuts off during use and will not restart until it cools down

Thermal Overload of Motor

Symptom

Vacuum trigger or power button is stuck or does not click properly

Mechanical Switch / Trigger Failure

Symptom

Vacuum turns on by itself when placed in the dock or when the battery is inserted

Stuck Power Control / Logic Fault

Symptom

Vacuum will not stand securely in the charging dock or does not make reliable charging contact

Docking / Mechanical Alignment Issue

Symptom

Vacuum will not start unless the charger is plugged in, and stops immediately when unplugged

Battery Pack Not Supplying Power