Common failures and maintenance methods of vacuum cleaners:
First, the suction power of the vacuum cleaner has decreased due to the following reasons: 1. The suction nozzle, duct or exhaust port is blocked. 2. Leakage in the catheter or interface. 3. The dust collection bag is full. Sit on the blocker. 5. Brush damage. 6. The speed of the power machine is too low. Maintenance methods: 1. Eliminate obstructions. 2. Repair the conduit and seal the interface. 3. Clear in time. 4, sweep dust and dust. 5. Replace the brushes. 6. The motor is faulty and needs to be repaired.
Second, the noise is too large, reasons: 1, the fastener is loose. 2. Impeller displacement. 3. Bearing wear. 4. The muffler is damaged. Maintenance methods: 1. Reinforce loose tight-fitting pieces. 2. Adjust the position. 3. Replace it in time. 4. Repair the silencer.
Third, the motor does not turn, the reason: 1, the fuse is powered off, 2. off line. 3. The vacuum cleaner switch is damaged. 4. The brush is damaged. 5. Poor plug and socket contact. Maintenance method: 1. Replace the fuse. 2. Connect. 3. Repair or change. 4. Replace the brushes. 5. Repair.
Fourth, the motor is overheating, the main reasons: 1, dust collector dust. 2. The nozzle tube is blocked. 3. The reversing spark path is large; 4. The fan is long. Maintenance methods: 1, dusting. 2. Eliminate the blockage. 3. Wipe the rectifier. 4. Repair and troubleshoot. 5, timely repair.