Hi ​@ankitj,

Welcome to the Dyson Community!

Thank you for reaching out about the issue with your Dyson V12 cordless vacuum. Here are some steps to help you resolve the blockage:

1. Automatic Cut-Out: The machine may cut out if large items block it or if the filter needs washing.
2. Motor Pulsating: This will happen after the motor pulses a number of times (i.e. switches on and off in quick succession) and the blockage indicator will light up. Let the machine cool down before checking for blockages.
3. Safety Precautions: Avoid pressing the 'ON/OFF' button while looking for blockages to prevent injury.
4. Remove Tools: Take out all tools and accessories (wand, cleaner head, crevice tool, etc.) and ensure the bin is empty.
5. Turn On and Test: After checking for blockages and removing tools, turn on the machine and test it.

If you need further troubleshooting help after trying these steps, please contact Dyson Customer Care directly for further support visit dyson.com and click Support for the contact options for the Dyson Customer Care team in your region.

Hope this helps!

Hi, this post is not helpful. Will contact support team. 

Hi ​@ankitj, 

Welcome to the Dyson Community!

This sounds like an unusual issue, and isn't something we'll be able to troubleshoot via the Dyson Community forum.

To help pinpoint the cause we'll need our Customer Care experts to take you through some further troubleshooting checks when you have your Dyson V12  available with you. If a replacement part or a repair is needed, they’ll be able to discuss your options with you.

Please visit Dyson.com and click Support to get in touch with the right Dyson Customer Care team for your region.

We'll look forward to speaking with you!