Dreame Cordless Vacuums Error Codes

E1

Vacuum stops and displays E1 or red indicator shortly after starting, suction is weak or intermittent.

Main Brush Motor Overload / Blockage Protection

E2

Vacuum shows E2 and shuts down, especially when using higher power modes; suction drops suddenly.

Main Suction Motor Overload / Overcurrent

E3

Display shows E3 and the vacuum stops; often occurs when filters are dirty or bin is full.

Airflow Restriction / Filter Blockage Detected

E4

Vacuum displays E4 and will not start or stops immediately after pressing the trigger.

Battery Pack Protection / Overcurrent or Undervoltage

E5

E5 appears and the vacuum shuts down, often after extended use; body feels hot to the touch.

Overtemperature Protection (Main Motor or Electronics)

E6

Vacuum shows E6 and does not respond to trigger or mode buttons.

Trigger Switch / Control Button Fault

E7

E7 error appears, vacuum may start then stop, or not start at all; sometimes accompanied by beeping.

Communication Error Between Main Body and Battery / Accessory

E8

E8 displayed, vacuum may run only in low power or not at all; suction seems limited.

Sensor Fault (Airflow / Pressure / Temperature Sensor)

E9

E9 error appears, vacuum may not charge properly or may shut down when docked.

Charging Circuit / Dock Communication Fault

F1

F1 code on display, vacuum runs but suction is noticeably reduced even on Max.

Cyclone Assembly Partial Blockage

F2

F2 code appears, vacuum may pulse on and off when trying to run.

Filter Not Installed / Incorrectly Installed

F3

F3 displayed, vacuum refuses to start or stops immediately; often after a drop or impact.

Inertial / Tilt Sensor Fault

F4

F4 code, vacuum cannot switch modes or mode LEDs flash erratically.

Mode Selector / Button Matrix Error

F5

F5 appears, vacuum runs but main brush does not spin even though suction is present.

Brush Motor Drive Fault

F6

F6 code, vacuum cannot detect or power the motorized accessories (mini power brush, soft roller, etc.).

Accessory Identification / Power Output Fault

F7

F7 displayed, vacuum may shut down when switching to Max/Turbo mode.

High-Load Mode Protection / Current Limit

F8

F8 code, vacuum cannot start cleaning cycle and may show a lock icon.

Child Lock / Safety Lock Engaged

F9

F9 displayed, vacuum may show abnormal runtime estimates or shut off unexpectedly despite showing charge.

Battery Capacity / Fuel Gauge Calibration Error

Symptom

Charging indicator blinks rapidly and battery does not gain charge.

Battery Protection / Faulty Cells

Symptom

Crevice tool or non-motorized accessories have very low suction compared to main floor head.

Localized Blockage or Seal Issue at Accessory Port

Symptom

Dust escapes when opening the bin; fine dust clouds around the vacuum.

Improper Dustbin Emptying / Static Dust Build-Up

Symptom

LED display or indicator lights do not work, but the vacuum still runs.

Display / LED Driver Fault

Symptom

Main brush does not spin, but suction is normal and no error code is shown.

Mechanical Brush Drive Failure

Symptom

Mini motorized tool (e.g., mattress or pet brush) does not spin, but main floor head works.

Accessory Motor or Connector Failure

Symptom

Trigger must be pressed very hard or at a specific angle to start the vacuum.

Worn or Misaligned Trigger Switch

Symptom

Vacuum body or battery becomes unusually hot to the touch during normal use.

Overcurrent / Poor Heat Dissipation

Symptom

Vacuum does not turn on at all; no lights, no sound.

No Power / Dead Unit

Symptom

Vacuum emits a burning smell or hot plastic odor during operation.

Overheating Motor or Brush Head

Symptom

Vacuum handle or joints creak or feel loose during use.

Mechanical Play in Joints / Worn Latches

Symptom

Vacuum has very weak suction but no error code; motor sounds normal.

General Air Leak / Partial Blockage

Symptom

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

Ineffective Brush / Low Suction at Floor Head

Symptom

Vacuum makes a high-pitched whistling noise during use.

Air Leak at Seals or Cracks

Symptom

Vacuum produces loud grinding or rattling noise from the main body.

Main Motor Bearing Wear or Foreign Object Ingress

Symptom

Vacuum runs for only a few minutes on a full charge, then shuts off without error.

Severely Reduced Battery Capacity

Symptom

Vacuum shuts off intermittently during use, then can be restarted after a short wait.

Thermal Cut-Out / Overheating

Symptom

Vacuum smells musty or emits an unpleasant odor when running.

Contaminated Filters or Brushroll

Symptom

Vacuum spits out dust from the exhaust or around the bin area.

Filter Bypass / Seal Failure

Symptom

Vacuum vibrates excessively or feels unbalanced when the main brush is running.

Brushroll Imbalance or Debris Build-Up

Symptom

Vacuum will not charge; no charging indicator lights when placed on dock or charger.

Charging Failure