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Defects and solutions of control boards/devices for home appliance washing machines. The control board we usually say is also a circuit board. Although the scale of its application is not as wide as the circuit board, it is smarter and more automated than the general circuit board. In short, the circuit board that can control the effect can be called the control board. Same as the controller.

The most feared thing in the laundry service industry is that the machinery and equipment is faulty, which not only affects the normal production, but also causes great trouble to customers. Therefore, it is very necessary to understand the common causes of faults in the automatic elution machine, including home appliance control boards and home appliance controllers, and solutions. control
1. The machine tilts too slowly or cannot tilt
Reasons for problems:
1. The air pressure of the machine is too low;
2. The trachea is cut, flattened or disconnected; whether the control board is normal
3. The gas supply capacity is too small;
4. The limit switch is not adjusted well;
Solution:
1. Increase the intake pressure to 6-7kgf/mm;
2. Repair or connect the trachea;
3. Increase the air intake pipe, or increase the capacity of the factory's air reservoir;
4. Check the adjustment of tilt limit switch and lock hook limit switch and control board adjustment;
2. The door cannot be opened after the washing cycle
Reasons for problems:
1. There is water in the outer cylinder;
2. The entering air pressure is too low;
3. The air pipe connected to the drain valve cylinder is cut off;
4. The solenoid valve of the drain valve is damaged;
5. The cylinder of the drain valve is damaged;
6. The door is misaligned and the latch is stuck;
7. Cannot accept any signal to open the door from the controller control board;
Solution:
1. Check the drainage valve and drainage pipeline system, and clean or repair if necessary;
2. Raise the inlet air pressure to 6-7kgf/cm;
3. Repair or reconnect the trachea;
4. Repair or replace the solenoid valve;
5. Repair or replace the cylinder that opens the drain valve;
6. Adjust the orientation of the door from the beginning and close the door tightly;
7. Replace the controller control board;
The controller and control board of home appliances is very important, and it is the guarantee for the flexible use of home appliances.


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Failure phenomenon and solution of home appliance control board

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