If your dishwasher door won't lock, it could be a problem with the latch adjustment or the door seal. Some latches are designed to be adjustable, and yours may be set too tightly. Look at the owner's manual for specific instructions or follow these basic steps for adjusting the latch:
1. Spray WD-40 or other lubricant onto the latch.
2. Slowly open and close the door several times, noticing whether the door hits the strike plate (the metal plate on the top of the dishwasher frame). Use a hammer to lightly tap the strike plate to move it as needed.
3. If possible, adjust the depth of your latch by unscrewing the latch assembly using a screwdriver and reseating it. Work with the adjustment until it latches correctly.
Note: If your latch is permanently fixed, have a qualified professional address the problem.
The door seal-also called a gasket-can also cause problems if you have a brand new dishwasher or door seal. The good news is that the door seal will mold to the door's shape over the first week or so. Operating your dishwasher with the highest level of heat will help this process happen more quickly. Because the material is pliable, and because heat will soften it, it will seal to the door more securely after those first few loads.
On the flip side, an old door seal can also keep your door from closing correctly. Check the seal for signs of warping or damage. If the seal needs replacing, arrange for service, or consider doing it yourself. In most models, it's a relatively easy DIY project. See
Dishwasher gasket replacement for step-by-step instructions.
For more troubleshooting steps, see
Dishwasher door repair. I hope this helps!
Good luck. Apparently it is a software problem with the dishwasher. I have a brand new Dacor dishwasher and it has the same problem. They have sent 2 service men to repair it and they were unable to do so. I am in the process of PLEADING with Dacor to take the faulty machine back. So far they are refusing. Clearly they do not stand behind their products or customers.
I had the same problem and three servicemen came out and still could not fix the problem. I pleaded with Dacor, right up to the president but not luck. They would not replace the dishwasher. DACOR DOES NOT STAND BEHIND ITS PRODUCTS. Their dishwashers are very poor quality. My retailer finally helped me and got a MIELE. This is the best dishwasher I have ever seen. Worked like a charm since day 1. You should not have a brand new $2000 Dacor dishwasher repaired. I have told everyone I know about my experience and advised to run the other way from Dacor.
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