Question about Dishwashers
When the detergent cup doesn't open, check these:
Bi-metal switch or wax motor
Detergent cup, itself
Timer On many dishwashers, a plastic actuator arm mechanically links the timer to the detergent cup. When the timer reaches the proper time in the cycle, the timer activates a lever that opens the detergent cup. If the linkage is broken or defective, the cup stays closed after you've closed it. Check the link and repair or replace it, as necessary.
Bi-metal switch or wax motor A bi-metal switch is a simple electrical device that deforms when electricity is applied to it. The degree of this deformation can be engineered to concise standards.
The timer energizes the bi-metal switch inside your dishwasher door--directly behind the detergent cup--when the detergent cup should open. When energized, the bi-metal switch deforms away from the detergent cup latch, which opens the detergent cup. If the bi-metal switch is defective, it may not deform enough to open the cup. If that happens, you need to replace it.
On some dishwashers, the bimetal switch is wired through the heating element or motor circuit. If the element is broken (or open), or if the motor is drawing low current because of a low-fill situation, the bi-metal switch doesn't open properly.
Newer dishwasher models use a wax motor instead of a bi-metal switch. It's a sealed unit with wax that heats up and pushes a piston through to open the door. The wax motor, controlled by the timer, mechanically opens the door.
Detergent cup, itself The detergent cup itself can become clogged with old dried detergent that prevents it from opening. Sometimes just cleaning the cup takes care of the problem. If not, you probably need to replace the entire cup assembly
Posted on Jul 16, 2009
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Jan 31, 2017 | Haier Dishwashers
Dec 19, 2014 | Siemens 24 in. SL34A006UC Built-in...
Feb 02, 2011 | Dishwashers
Dec 17, 2010 | Dishwashers
Nov 25, 2010 | LG Washing Machines
Sep 23, 2009 | Kenmore 24 in. 16539 Built-in Dishwasher
Jul 21, 2009 | Whirlpool 24 in. DU1100XTP Built-in...
Dec 24, 2008 | Bosch 24 in. SHU66C02 / SHU66C06 Built-in...
Sep 06, 2008 | Kenmore 24 in. 16009 Built-in Dishwasher
230 people viewed this question
Usually answered in minutes!