Fault analysis, Beijing Haier washing machine after-sales service telephone; The cause of the fault is poor operation of the mechanical system or problems with the electrical system. After opening the rear cover of the washing machine, a visual inspection revealed rust on the upper cover of the spin-dry motor and the baseplate, making it difficult to rotate the spin-dry bucket. It's possible that the bottom of the spin-dry bucket leaks water, causing the motor to malfunction. Haier double-tub washing machine, spin-dry bucket does not rotate. Reprinted from @Beijing Haier Washing Machine Repair Telephone http://blog.tianya.cn/blogger/blog_main.asp?BlogID=3427273.
Fault inspection: After connecting the power supply, it was found that the motor did not rotate. After disconnecting the power, the resistance of the starting winding and the running winding of the motor was measured respectively, which was basically normal. However, it was already difficult to manually rotate the motor shaft, indicating that the bearings of the motor were rusted and jammed. After disassembling the motor, it was found that the bearing was damaged. After replacing the bearing, the motor shaft could be rotated more smoothly by hand. After reconnecting the power and testing, the motor operated normally.
After disconnecting the power again, the spin-dry bucket was inspected, revealing that the sealing of the rubber bowl was loose, causing water leakage. After replacing the rubber bowl and reassembling the spin-dry bucket, the motor and spin-dry bucket were reinstalled onto the washing machine. After reconnecting the power and conducting a trial run, the washing machine worked normally, and the fault was eliminated.