Dyson

Dyson Cordless Vacuums Error Codes

Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.

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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; the 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; the 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 the 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)
A blue light flashes when the trigger is pulled, and the vacuum stops quickly; this indicates a low or no charge.
Battery discharged or not charging
LED No Light When Charging
When plugged into the charger, there are no lights on the vacuum or battery; the unit does not charge.
No power to charging circuit
LED Red Flashing (Battery Error)
The battery LED flashes red (often 12 times or continuously) when the trigger is pulled; the 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; the vacuum may show a brush icon.
Soft roller obstruction or drive fault
Trigger Fault
Trigger is pulled but the vacuum does not start; no error code is shown, or intermittent operation occurs when the 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 the main body and wand
Symptom
The motorized mini tool (pet hair tool) does not spin, but the main vacuum suction is normal.
Mini motorized tool drive fault
Symptom
The vacuum bin door will not close or pops open during use.
Bin latch or hinge failure
Symptom
The vacuum bin is difficult to open or the red release lever is stuck.
Bin release mechanism jammed
Symptom
The vacuum cuts out when tilted at certain angles or when using above-floor tools.
Intermittent power or airflow sensor activation
Symptom
The vacuum emits a burning smell or hot plastic odor during or after use.
Overheating component or friction burn
Symptom
The vacuum has very weak suction but runs continuously; no error lights or codes are displayed.
General suction loss
Symptom
The vacuum is difficult to push on carpet; the head seems to stick or drag.
Excessive brush bar engagement or suction seal
Symptom
The vacuum leaves debris on carpet or hard floors even though suction seems normal.
Poor pickup performance
Symptom
The vacuum makes a grinding or rattling noise when running.
Mechanical interference in motor or brush head
Symptom
The vacuum makes a loud, high-pitched whine during use, louder than normal.
Air leak or motor bearing wear
Symptom
The vacuum runtime is much shorter than specified, even on Eco/Normal mode.
Battery capacity degradation
Symptom
The vacuum shuts off after a few seconds of use without any warning lights or codes.
Overcurrent or protection cut-out without a displayed code
Symptom
The vacuum smells musty or dusty when running, even after emptying the bin.
Odor buildup in filters and bin
Symptom
The vacuum vibrates excessively in the hand or through the wand during use.
Imbalanced rotating component
Symptom
The vacuum will not turn on at all; there are no lights, no sound, even with the charger connected.
Complete power failure
Symptom
Vacuum runs only when the charger is plugged in and stops immediately when unplugged.
Battery not holding charge
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