Electrical diagram of a dishwasher
Circuit components:
* Power cord
* Main circuit breaker
* Fuse
* Timer
* Water supply solenoid
* Heating element
* Circulation pump
* Drain pump
* Relay
*Door switch
Working principle:
1. Power on: Connect the power cord.
2. Start cycle: The user presses the start button.
3. Timer: The timer tracks the cycle time and controls the sequence of operation of the components.
4. Water Solenoid: The solenoid opens, allowing water to flow into the dishwasher.
5. Fill: Water fills the dishwasher to the set level.
6. Heating: The heating element heats the water to the set temperature.
7. Circulation: The circulation pump sprays hot water over the dishes.
8. Washing: Dishwashing detergent is added to water and dissolved. Hot water and cleaning solution washes away food debris and dirt from dishes.
9. Drain: After the cycle is completed, the drain pump drains the dirty water.
10. Drying: Depending on the model, the dishwasher may use a heating element or a fan to dry dishes.
Security requirements:
*Unplug the dishwasher before servicing.
*Use insulated tools.
* Check the integrity of electrical components.
* Replace faulty components with similar ones.
* Make sure all electrical connections are secure and insulated.