Dyson Stowaway Vacuum Cleaner DC21

I am in Innisfail Dyson Stowaway Vacuum Cleaner DC21 Works great BUT the power head shuts off after 2 minutes of use. Shut off the vacuum and it works again. Canister vacuum features a motorized brush head that cleans deeper and a Telescope Wrap system for easy storage. Uses patented root cyclone technology for no loss of suction performance Motorized brush head for deep cleaning carpets and area rug Telescopic wrap wand for convenient carrying & storage On-board tool storage for easy and convenient above floor cleaning Hepa filter Washable filter, no belt to replace Hard floor tool for vacuuming hard floor surfaces. Model number 12790-01