When the motor generates heat in operation, it drives the impeller in front of it to operate. The suction generated will suck in a large amount of air from the inlet pipe. The air flow will be discharged from the rear wind through the motor and take away the heat.To put it simply, the motor is cooled by air inlet. When your motor is overheating protected, please check all air inlet pipes, including brush head, steel tube, hose, dust bucket (dust bag) and filter element.After the cleaning is done, the machine can be used normally again after resting for about a minute.Use the vacuum cleaner gently to avoid impact.After the use should be promptly clean up the sundries in the bucket and the dust suction accessories, dust grid dust bag.And after each work clean, check there is no perforation or air leakage, with detergent and warm water thoroughly clean dust grid and dust bag, and air dry, do not use not dry dust grid dust bag.Pay attention to the hose do not frequently fold to fold, do not overstretch and bend, usually should be a vacuum cleaner in the dry place of ventilation.






