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You wouldn't even know your dishwasher had one till it isnt operating. These tiny switches are tucked inside the control panel of your dishwasher and most times are a part of the door latch. The door latch pulls the door securely to the principal physique of your dishwasher and prevents water from leaking through a cycle. If your dishwasher does not start out, it could be due to a faulty door switch.
How the door switch operates
When the dishwasher door is open, the switch is off. Inside your dishwasher tub will be a metal or plastic prong. Close and latch the door. The prong will depress the door switch completely and the circuit will close allowing the dishwasher to begin. Check the prong to make certain it really is not loose or bent and it really is correctly activating the door switch.
It is necessary to disconnect the dishwasher from its power supply just before attempting any repair. You can unplug the dishwasher from the outlet, remove the fuse from your fuse box, or flick the breaker switch on your circuit panel. This will protect against you from obtaining an electric shock.
What a door switch looks like and exactly where it really is situated
Normally a dishwasher door switch is an inch long. It can be black or red and has metal prongs referred to as terminals protruding from the physique. Some door switches have two terminals and some have three.
The terminals can be a standard terminal (COM), commonly closed terminal (NC) or a generally open terminal (NO). Switches with only two terminals will either have a COM and a NO, or a COM and an NC. Door switches with three terminals have COM, NC, and a NO.
Your dishwasher's door switch will be behind the control panel on the front of the unit. It may be required to take away the inner panel of the door initially. You can do this by removing a few screws. The screws at the bottom of the door are for the hinges. You do not desire to eliminate the whole door for this repair.
When the inner panel is removed you could acquire an additional smaller sized panel covering the back of the handle panel held in location with screws or clips. By removing this panel you will get access to the latch assembly housing the door switch.
How to remove the switch
Meticulously use needle nose pliers to pull the wires leading from the harness off the terminals. For door switches that have a locking clip, depress the lever as you gently pull the harness away from the terminal.
Take your time though removing switches that are a aspect of the latch assembly or that have a bracket. If you rush and break the switch's housing you will end up having to replace a lot more parts.
How to test your door switch
Use an ohmmeter to test the switch for continuity. This test is for door switches with 3 terminals.
1. Set your ohmmeter to measure resistance at a scale of Rx1.
2. Touch the metal points of the test leads together and zero your ohmmeter by adjusting the thumbwheel in the front of the meter until the needles reads "" on the scale.
three. Touch 1 meter lead to the COM terminal and the other lead to the NO terminal. Do not push in on the actuator.
4. Your meter must give a reading of infinity, meaning the circuit is open, and there is no continuity.
five. With no moving the meter's leads, press down on the actuator till you hear a 'click'.
six. With the 'click' of the actuator, the meter should produce a resistance reading of zero ohms. This indicates the circuit is closed and continuity is present. (You will only hear this click with a door switch with three terminals.)
7. Preserve the meter lead that is touching the COM terminal in spot, but move the other meter lead from the NO terminal to the NC terminal.
8. When the actuator is released, you must receive a resistance reading of zero ohms.
9. Now set your ohmmeter to its highest resistance scale and touch one meter lead to the NO terminal and the other meter lead to the NC terminal.
10. The resistance reading amongst these two leads will need to be infinite.
11. Finally take a resistance reading from each the NC terminal and the NO terminal to any metal mounting hardware that is a part of the switch assembly. You should certainly receive a typical reading of infinity.
Any readings that differ from the tests above are signs of a defective door switch that will have to have to be replaced.
Replace the old switch with a new a single, employing the same process as explained above. Reassemble the inner door panel and reconnect your dishwasher to its energy supply. Never neglect to replace your fuse or turn the breaker switch back on. Run your dishwasher through a cycle to make confident it's working properly.Cedar Park Overhead Doors 2507 S Bell Blvd Cedar Park, TX 78613 (512) 335-7441 http://www.cedarparkgaragedoors.com jump button
