No. Common malfunctions cause of issue Method of exclusion 1 No vacuum or vacuum gauge indication 1, the motor speed is not enough or the voltage is too low Check voltage stability 2, vacuum bottle, check valve dirty block or corrosion Clean internal dirt or replace new bottle, new spool 3, inlet, filter pipe plug Clean, remove internal dirt 4, impeller off Replace the impeller 5, vacuum gauge water or leak Throw out the table memory water to zero or replace the new table 6, vacuum pipe plugging or pipe cracking Clean pipes or replace new ones 2 Motor does not work 1, the fuse blows Replace the new fuse 2, running capacitor is punctured Replace the new capacitor with the same original capacity voltage 3, motor winding burned Replace new motor 4, the bearing wears heavily stuck Replace new bearing 5. The impeller is jammed Remove debris and correct impeller position 6. Welded wire or loose wire card The welding is firm and the line card is tight 3 Motor heating, excessive noise 1, bearing wear Replace new bearing 2, impeller wear deformation Replace new impeller 3, voltage instability or voltage is too low Check the line is overloaded and there is no low voltage phenomenon 4 Water tank splash 1, the drainage pipe drainage direction is incorrect Adjust the drainage direction 2, the water level is too low Add water to the overflow 5 Leaking 1, water tank overflow nozzle loose or aging seal Tighten the nozzle or replace the sealing ring 2, the tank rupture Replace the water tank
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