A thermal cut out on the motor will operate to protect the motor if the airflow is insufficent. The thermal cut out will reset after approximatly 30 minutes. Check the canister is empty the hose is not blocked and filters are clear.

Important

In the interest of consumer safety, any adjustments, alterations or replacement parts should only be made or fitted by a suitably qualified and competent person with the machine disconnected from the mains supply.