Eufy Cordless Vacuums Error Codes

E1

Cordless vacuum stops and beeps, handle display shows E1 or single-bar error icon; suction is weak or stops shortly after starting.

Main Brush Motor Overload / Blockage

E10

Vacuum shows E10; suction stops when using certain powered accessories (mini motorized brush, soft roller head).

Accessory Motor Overload / Short

E11

Cordless vacuum shows E11; suction is reduced and the unit may pulse; filters may appear heavily soiled.

Filter Blocked / Filter Not Installed Correctly

E12

Vacuum shows E12; unit may vibrate excessively or make grinding noises from the floor head.

Brush Roll Imbalance / Bearing Failure

E13

Cordless vacuum shows E13; unit may not switch between power modes or may be stuck in one suction level.

Mode Switch / Trigger Input Fault

E14

Vacuum shows E14; unit may shut off when tilting the handle or when the wand is flexed.

Wand / Neck Wiring Harness Fault

E15

Cordless vacuum shows E15; unit may not detect the dust bin or may not start with the bin removed and reinstalled.

Dust Bin Presence / Latch Sensor Fault

E2

Cordless vacuum shows E2 on the handle display or two-bar error icon; unit shuts off when using the floor head, but handheld mode may still work.

Floor Head Motor / Brush Motor Electrical Fault

E3

Vacuum displays E3 or three-bar error icon; unit shuts off quickly, especially on high power; may feel very hot near the motor housing.

Main Motor Overheat Protection Activated

E4

Cordless vacuum shows E4 or four-bar error icon; unit will not start or shuts off immediately; battery LEDs may flash abnormally.

Battery Pack Protection / Voltage Fault

E5

Display shows E5; vacuum may not charge or may shut off when starting; sometimes accompanied by a burning smell or unusual noise from the motor area.

Main Motor Electrical Fault / Short Circuit

E6

Vacuum shows E6; suction is very weak or pulsing; motor sounds like it is surging up and down.

Airflow Restriction / Cyclone Blockage

E7

Cordless vacuum displays E7; unit may not recognize the battery or may shut off when moved or bumped.

Battery Communication / Connection Error

E8

Vacuum shows E8; LED indicators may flash; unit may not charge or may stop charging prematurely.

Charging System Fault

E9

Display shows E9; vacuum may not respond to power button or may shut off randomly; sometimes accompanied by flickering display.

Main Control PCB / Firmware Fault

Symptom

Battery charges but runtime is very short (only a few minutes) even on low power.

Battery Capacity Degradation

Symptom

Motorized mini brush tool stops frequently or does not spin under load.

Mini Brush Overload / Jam

Symptom

Vacuum charges only intermittently; sometimes stops charging before full.

Intermittent Charging Connection

Symptom

Vacuum does not charge when placed on the charging dock, but the dock LED is on.

Poor Dock-to-Vacuum Contact

Symptom

Vacuum emits a burning smell during or after use.

Overheating Motor or Brush

Symptom

Vacuum handle or battery area becomes very hot to the touch during normal use.

Overheating Battery or Electronics

Symptom

Vacuum is excessively loud compared to normal operation.

Mechanical Noise / Bearing Wear

Symptom

Vacuum leaves a trail of fine dust behind it on hard floors.

Insufficient Hard Floor Sealing / Soft Roller Issue

Symptom

Vacuum leaves debris behind and does not pick up well from carpets.

Poor Agitation / Brush or Suction Issue

Symptom

Vacuum makes a high-pitched whistling noise during use.

Air Leak / Seal Failure

Symptom

Vacuum power button is unresponsive or works intermittently.

Power Switch / Button Failure

Symptom

Vacuum produces a musty or unpleasant odor during use.

Odor Contamination in Filters or Dust Path

Symptom

Vacuum runs but has very weak suction even with a fully charged battery.

General Airflow Loss / Partial Blockage

Symptom

Vacuum shuts off after a few seconds of use without showing an error code.

Thermal Cutoff or Battery Voltage Sag

Symptom

Vacuum spits debris or dust out the back or sides of the floor head.

Bypass Airflow / Overfilled Bin

Symptom

Vacuum turns on but the motorized floor head brush does not spin.

Brush Roll Drive Failure

Symptom

Vacuum vibrates strongly in the hand or at the floor head during use.

Imbalanced Brush Roll or Debris Build-Up

Symptom

Vacuum will not turn on at all; no lights or sounds when pressing the power button.

No Power / Dead Unit

Symptom

Vacuum’s dust bin door will not close or pops open during use.

Dust Bin Latch Failure

Symptom

Vacuum’s extension wand will not lock securely to the main body or floor head.

Mechanical Lock / Latch Wear

Symptom

Vacuum’s HEPA filter cover will not stay in place or keeps popping off.

Filter Cover Retention Failure

Symptom

Vacuum’s LED headlight on the floor head flickers or does not turn on, but the head still spins.

LED Lighting Circuit Fault