Dyson Cordless Vacuums Error Codes

Airway

Vacuum displays an 'Airway' or blockage icon; machine pulses on and off and suction is weak or intermittent.

Airflow blockage in wand, bin inlet, or cleaner head

Battery

Vacuum displays a 'Battery' icon or message; machine will not run or runs only for a few seconds before stopping.

Battery pack low capacity or internal fault

Battery Too Cold

Vacuum will not start and shows a cold battery icon or message such as 'Battery too cold'.

Battery low-temperature protection

Battery Too Hot

Vacuum stops and shows a hot battery icon or message such as 'Battery too hot'; body feels warm after heavy use.

Battery thermal protection activation

Bin Not Fitted

Vacuum will not start and may show a bin or body icon; bin feels loose or does not latch properly.

Dust bin presence or latch fault

Brush Bar

Vacuum runs but the motorized cleaner head brush bar does not spin; some models show a brush bar icon or red light on the head.

Motorized brush bar drive fault

Brush Bar Jammed

Vacuum stops and shows a brush bar jam icon; cleaner head may flash red and then shut off.

Brush bar obstruction or overload

Charger

Vacuum shows a charger icon or does not indicate charging when docked; no lights on the battery when plugged in.

Charging circuit or power supply fault

Filter

Vacuum stops and displays a 'Filter' warning or flashing filter icon; suction is reduced and machine may pulse on and off.

Blocked or saturated pre-motor filter

Filter (Post-motor)

Vacuum shows filter warning even after cleaning pre-motor filter; exhaust area feels restricted; some models show a rear filter icon.

Blocked or damaged post-motor HEPA filter

Filter Missing

Vacuum will not start and displays a filter missing icon or message; machine beeps or flashes when trigger is pulled.

Filter presence detection fault

Filter Not Sealed

Vacuum shows a filter icon even though the filter is installed; suction may be noisy or whistling around the filter area.

Filter seal leak or misalignment

Filter or Airway (Pulsing)

Vacuum rapidly pulses on and off when trigger is held; no obvious code on older models, or alternating filter/airway icons on newer models.

Motor protection pulsing due to restricted airflow

Internal Fault

Vacuum displays an exclamation mark or 'Internal fault' message and will not run even with a charged battery.

Control PCB or sensor failure

Laser Head Fault

On V15 Detect laser slim head, the laser does not turn on or the head flashes error lights while suction continues.

Laser module or head PCB fault

LED Blue Flashing (No Charge / Low Charge)

Blue light flashes when trigger is pulled and vacuum stops quickly; indicates low or no charge.

Battery discharged or not charging

LED No Light When Charging

When plugged into charger, there are no lights on the vacuum or battery; unit does not charge.

No power to charging circuit

LED Red Flashing (Battery Error)

Battery LED flashes red (often 12 times or continuously) when trigger is pulled; vacuum will not run.

Battery pack error or protection lockout

Max

Vacuum stuck in Max/Boost mode or shows 'Max' warning; run time is extremely short and machine may cut out quickly.

Max/Boost mode overcurrent or stuck mode selection

Motor Overheat

Vacuum stops during use and will not restart for several minutes; some models show a temperature or exclamation icon.

Motor thermal cut-out activation

Piezo Sensor Fault

On V15 and similar models, the particle counter display shows dashes or an error icon instead of particle counts.

Piezo dust sensor malfunction

Soft Roller Jam

On Fluffy/Soft Roller heads, the front roller stops spinning and the head may flash red; vacuum may show a brush icon.

Soft roller obstruction or drive fault

Trigger Fault

Trigger is pulled but vacuum does not start; no error code shown, or intermittent operation when trigger is wiggled.

Trigger switch or mechanical linkage failure

Wand Connection

Vacuum runs but motorized tools on the wand do not power; some models show a wand or connection icon.

Electrical connection failure between main body and wand

Symptom

Motorized mini tool (pet hair tool) does not spin, but main vacuum suction is normal.

Mini motorized tool drive fault

Symptom

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

Bin latch or hinge failure

Symptom

Vacuum bin is difficult to open or the red release lever is stuck.

Bin release mechanism jammed

Symptom

Vacuum cuts out when tilted at certain angles or when using above-floor tools.

Intermittent power or airflow sensor activation

Symptom

Vacuum emits a burning smell or hot plastic odor during or after use.

Overheating component or friction burn

Symptom

Vacuum has very weak suction but runs continuously; no error lights or codes displayed.

General suction loss

Symptom

Vacuum is difficult to push on carpet; head seems to stick or drag.

Excessive brush bar engagement or suction seal

Symptom

Vacuum leaves debris on carpet or hard floors even though suction seems normal.

Poor pickup performance

Symptom

Vacuum makes a grinding or rattling noise when running.

Mechanical interference in motor or brush head

Symptom

Vacuum makes a loud high-pitched whine during use, louder than normal.

Air leak or motor bearing wear

Symptom

Vacuum runs only when the charger is plugged in and stops immediately when unplugged.

Battery not holding charge

Symptom

Vacuum runtime is much shorter than specified, even on Eco/Normal mode.

Battery capacity degradation

Symptom

Vacuum shuts off after a few seconds of use without any warning lights or codes.

Overcurrent or protection cut-out without displayed code

Symptom

Vacuum smells musty or dusty when running, even after emptying the bin.

Odor buildup in filters and bin

Symptom

Vacuum vibrates excessively in the hand or through the wand during use.

Imbalanced rotating component

Symptom

Vacuum will not turn on at all; no lights, no sound, even with charger connected.

Complete power failure