Automatic Washers
Fully Automatic Top Load Washing Machine Course
Master electronic diagnostics on top-load automatic washing machines: frequency-based water pressure sensors, motorized gear clutches, drain tract motors, and main PCB triac switching.
Curriculum Focus
- • Inductive water level pressure sensor (frequency output in kHz)
- • Solenoid-actuated dual inlet water valves testing
- • Drain motor retraction and dual-action clutch release mechanics
- • Unbalance switch (vibration sensor) and safety interlock wiring
- • Error codes analysis (e.g., dE, 1E, OE, UE, LE)
Hands-on Laboratory Work
- • Testing electronic pressure transducer with a syringe and multimeter
- • Disassembling tub assembly and replacing worn central clutch bearings
- • Troubleshooting PCB motor drive triacs and opto-isolators
- • Resolving continuous draining and water fill faults
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