A food blender is a device which blends and chops food in no time depending on the speed set by the operator. It has a motor placed beneath the base which operates the blade in the jar which does the primary cutting. The blade speed can be managed by controlling the rate of current passed to the device. There are some preventive measures which should be followed to reduce the number of repairs in the blender. Take care to never overload the blender and to keep the seals closed tightly. When placing hard foods in a blender and using low motor speed can cause the blender to burn out.
A blender jar has seals to keep the jar tight and to not let the juices escape. If the seals break, then the jar will not work properly. Normal repairs include servicing of a switch, replacing a fuse, or tightening a drive stud and servicing a blade assembly.
When the multispeed switch fails, your blender stops working because it’s a critical component. Due to high complexity and regular voltage changes, failure of main switches is common. You can try to remove the blender base and test the main switch for continuity with a multi-tester, visually inspect the switch terminals for loose wires or if the terminal is blackened or burned out. You will have to replace the switch with a new one when this happens. The switch can be damaged by exposure to liquids as it is present outside, so look out for exposure. When the blender receives high voltage suddenly, the fuse burns out making an open circuit. Check if the fuse is in closed circuit or not, your blender will not work with a burned out fuse, replace the fuse instantly, you can do it by removing the fuse box with screw drivers and disconnecting the fuse and connecting a new one.