Siemens Cordless Vacuums Error Codes

E01

Cordless vacuum will not power on at all when the power button is pressed, no lights on the handle or battery indicator.

Main Power Supply / Control Board Lockout

E02

Cordless vacuum powers on but shuts off within a few seconds with an E02 code on the display or flashing red LED pattern.

Overcurrent / Motor Overload Protection

E03

Vacuum displays E03 and suction is very weak or absent, motor sounds strained or changes pitch frequently.

Airflow Restriction / Blocked Air Duct

E04

Cordless vacuum shows E04 and the brush roll in the motorized floor head does not spin, even though suction is present.

Brush Roll Jam / Floor Nozzle Overload

E05

Vacuum stops suddenly during use and displays E05, housing feels warm to the touch.

Thermal Overload / Overheating Protection

E06

Display shows E06 and the vacuum will not start or stops shortly after starting, often accompanied by a burning smell.

Motor Electrical Fault / Short Circuit

E07

Vacuum shows E07 and runs only at low power, turbo or max mode cannot be activated.

Battery Voltage Too Low for High Power Mode

E08

Cordless vacuum displays E08 and will not charge when placed on the charging dock or connected to the charger.

Charging Circuit Fault

E09

Vacuum shows E09 and the LED battery indicator flashes abnormally; unit may shut down randomly even with apparent charge.

Battery Communication / BMS Error

E10

Vacuum displays E10 and the LED lights on the floor nozzle flicker or do not work, while suction may still be present.

Accessory Power / Nozzle Communication Fault

E11

Vacuum shows E11 and will not start; sometimes accompanied by a beeping sound or flashing red power LED.

Stuck or Faulty Power Trigger / Switch

E12

Vacuum displays E12 and runs only for a few seconds before shutting off, even with a fully charged battery and clean filters.

Internal Temperature Sensor Fault

E13

Vacuum shows E13 and the motor speed surges up and down, with inconsistent suction.

Motor Speed Control / Feedback Error

E14

Vacuum displays E14 and the LED indicators for filter or bin are lit; unit may refuse to start.

Dust Bin / Filter Presence Sensor Fault

E15

Vacuum shows E15 and none of the control buttons respond, though battery LEDs may still light.

User Interface / Keypad Fault

E16

Vacuum displays E16 and the LED headlight on the floor nozzle flickers or stays off, but the brush roll still spins.

Nozzle LED Circuit Fault

E17

Vacuum shows E17 and emits a continuous or repeated beep; may indicate a generic internal fault.

General Internal Electronics Error

Symptom

Brush roll in the motorized floor head stops intermittently or is very noisy, but no error code is shown.

Brush Roll Bearing / Drive Fault

Symptom

Cordless vacuum has very weak suction, even though the motor runs and there are no error codes.

Airflow Loss / Partial Blockage

Symptom

Dust bin door will not close properly or pops open during use, causing loss of suction.

Dust Bin Latch / Hinge Failure

Symptom

Dust or fine particles blow out from the exhaust vent during use, causing sneezing or visible dust clouds.

Exhaust Filtration Failure

Symptom

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

Battery Level Indicator / LED Fault

Symptom

Mini motorized upholstery tool or pet hair tool does not spin, though the main floor nozzle works normally.

Accessory Motor / Connection Fault

Symptom

Vacuum does not stand securely in its wall mount or charging station; it wobbles or falls easily.

Mounting Bracket / Dock Wear or Misalignment

Symptom

Vacuum emits a burning smell or visible smoke from the nozzle or main body during use.

Overheating Motor or Electrical Short

Symptom

Vacuum handle or body becomes uncomfortably hot to the touch during normal use, but no error code appears.

Excessive Heat Build-up Without Protection Trigger

Symptom

Vacuum has an unpleasant musty or sour odor when running, even after emptying the bin.

Odor from Contaminated Filters or Bin

Symptom

Vacuum intermittently shuts off when the wand is moved or twisted, then restarts when repositioned.

Intermittent Electrical Connection in Wand or Contacts

Symptom

Vacuum leaves lines of debris behind and does not pick up well from carpets, though suction at the wand seems normal.

Brush Roll Performance / Height Issue

Symptom

Vacuum makes a clicking or popping noise from the wand or joints when moved back and forth.

Mechanical Play in Wand or Joint Lock

Symptom

Vacuum makes a loud grinding or rattling noise from the motor area during use.

Motor Bearing Wear / Foreign Object in Fan

Symptom

Vacuum occasionally gives a static shock to the user when touching the handle or wand after use.

Static Electricity Build-up

Symptom

Vacuum produces excessive vibration in the handle when running, especially at high power.

Imbalanced Motor or Brush Roll

Symptom

Vacuum runs but makes a loud high-pitched whistling noise during operation.

Air Leak at Seals or Cracked Housing

Symptom

Vacuum runs for only a few minutes on a full charge before shutting off, with no specific error code.

Battery Capacity Degradation

Symptom

Vacuum will not start unless the charger is connected, and stops immediately when unplugged.

Battery Pack Not Supplying Power