Error Code	Symptom	Fault Type	Guide
B1	Battery icon flashes with one bar and unit beeps, then shuts off quickly	Low Battery Warning / Deep Discharge Protection	View Details
B2	Battery icon flashes with two bars and unit will not enter turbo mode	Battery Current Limit / Protection Threshold	View Details
E1	Cordless vacuum will not power on, red LED flashes one time repeatedly when power button is pressed	Battery Pack Undervoltage Lockout	View Details
E2	Cordless vacuum shuts off within a few seconds of starting, LED flashes two times repeatedly	Battery Overcurrent / Short Circuit Protection	View Details
E3	Cordless vacuum stops and LED flashes three times repeatedly, often when using turbo or high power mode	Motor Overheating Protection	View Details
E4	Cordless vacuum will not charge, charger LED blinks or vacuum LED flashes four times when placed on charger	Battery Temperature Out of Range	View Details
E5	Cordless vacuum will not charge, charger LED remains off or flashes five times, no battery level indication	Charger / Dock Communication Failure	View Details
E6	Cordless vacuum runs only on low power, will not switch to high/turbo, LED flashes six times when high mode is selected	High-Speed Motor Drive Fault	View Details
E7	Brushroll in motorized floor head does not spin, handle LEDs flash seven times when floor nozzle is attached	Brushroll Motor Overload / Stall Protection	View Details
E8	Cordless vacuum LEDs flash eight times and unit shuts off when wand or accessories are attached, but runs briefly in handheld mode	Accessory / Wand Connection Fault	View Details
E9	All LEDs flash rapidly and the vacuum will not start, even with a known-good battery	Main Control Board Fault / Firmware Error	View Details
F1	Battery indicator shows full, but vacuum stops abruptly under load and flashes a single red bar or F1 icon	Battery Capacity Degradation	View Details
F2	Filter warning icon or F2 appears, suction is weak and unit may pulse on and off	Filter Blockage / Filter Sensor Triggered	View Details
F3	LED or display shows F3 and vacuum will not start, often after a drop or impact	Internal Fault / Impact Sensor Triggered	View Details
F4	Charging icon flashes with F4 and battery does not gain charge	Charge Overvoltage / Wrong Charger Detected	View Details
–	Brushroll does not spin but suction is present	Brushroll Drive Failure	View Details
–	Cordless vacuum will not turn on at all, no lights or sounds	No Power / Dead Unit	View Details
–	Dirt cup will not latch securely or falls off during use	Dust Cup Latch Failure	View Details
–	Dirt or dust leaks from joints or around the filter area during use	Air Seal / Gasket Failure	View Details
–	LED battery indicator does not change or is inaccurate (e.g., shows full then suddenly empty)	Battery Fuel Gauge Calibration Error	View Details
–	Powered mini turbo tool (pet tool) does not spin when attached, but main floor head works	Accessory Motor / Connection Failure	View Details
–	Vacuum body or handle creaks and flexes excessively during use	Housing / Chassis Fatigue	View Details
–	Vacuum emits a burning smell during use	Electrical Overheating / Component Failure	View Details
–	Vacuum handle or body becomes uncomfortably hot where you hold it	Localized Overheating / Poor Heat Dissipation	View Details
–	Vacuum hose collapses or kinks easily, reducing suction	Hose Structural Failure	View Details
–	Vacuum leaves lines of debris behind and does not pick up well from carpet	Poor Agitation / Worn Brushroll	View Details
–	Vacuum makes grinding or rattling noise from the floor nozzle when brushroll is engaged	Brushroll Bearing or Gear Damage	View Details
–	Vacuum powers on but has very weak suction, motor sounds normal	Airflow Restriction / Loss of Suction	View Details
–	Vacuum produces a musty or unpleasant odor from exhaust air	Odor Contamination in Filters and Dirt Path	View Details
–	Vacuum produces an unusual electrical buzzing or crackling sound near the charger port while charging	Charging Port / Connector Arcing	View Details
–	Vacuum pulses on and off repeatedly while running, especially on carpet	Cyclone / Filter Restriction Causing Motor Surging	View Details
–	Vacuum runs but makes a loud high-pitched whine from the main body	Suction Motor Bearing Wear	View Details
–	Vacuum runs only intermittently when the trigger is held, cuts in and out with slight handle movement	Intermittent Power / Loose Electrical Connection	View Details
–	Vacuum runtime is much shorter than specified, even after full charge	Reduced Battery Capacity / High Load	View Details
–	Vacuum shuts off after a few minutes of use and feels hot to the touch	Thermal Overload Trip	View Details
–	Vacuum will not stand upright on its own (for stick models designed to self-stand)	Parking Lock / Stand Mechanism Failure	View Details
–	Vacuum will not stay on the wall mount or dock, falls off easily and sometimes does not charge	Docking / Mounting Misalignment	View Details

Dirt Devil Cordless Vacuums Error Codes

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