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3 pulses, Low run time (amber)

Machine pulses 3 times and 'Low run time' (amber) on screen — Battery needs charging

Dyson · Gen5Detect Vacuum

What does 3 pulses, Low run time (amber) mean?

The machine pulses three times, and the LCD screen displays 'Low run time' surrounded by an amber circle. This indicates that the battery charge level is low and the battery needs to be recharged soon.

Common Causes

  • Battery charge level is low.
  • Prolonged use without charging the battery.
  • Battery nearing the end of its remaining run time.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Connect the machine to its charger, either directly or using the wall dock.

  2. 2

    Ensure the charger is securely plugged into a working power outlet.

  3. 3

    Allow the battery to charge until the display shows 100% and the blue LEDs stop flashing.

  4. 4

    The blue LEDs on the battery will flash during charging and light solid for five seconds when fully charged.

Browse all codes in this manual (9)
Verified technical data. Last updated: April 2026

Related Faults

Blue LEDs flashBlue LEDs flashing on battery — Machine is chargingBlue LEDs solid for 5s, 100% on displayBlue LEDs solid for 5 seconds and 100% on display — Battery fully chargedClean filterClean filter on screen — Filter needs cleaning
Source: Dyson Gen5Detect Vacuum
Open Manual (Page 5)Search more codes in this manual