Power switch damage vacuum cleaner circuit is relatively simple, want to check where the break or poor contact is still very easy. The vacuum cleaner may have two switches, one on the housing and one on the hose handle. Check these switches well.
If it is found that the power switch is damaged, it should be caused by poor switch contact, and the garbage in the dust box needs to be removed in time after daily use of the vacuum cleaner
Also do not flash, charging does not go into the electric flashing red is the machine failure, can not charge is the battery is broken, failure and no electricity can not be used. Just change the battery. When charging, the indicator light is on, and the fully charged indicator light is off in about 5 hours. Said it was a faulty light. Call customer service.