I have installed a Kenmore Elite large capacity dishwasher which has been in service four years now. About six months ago the glasses and cups on the top rack come out with debris lodged and hardened on the inside bottom.
To address this we started rinsing off all the dishes and items placed in the washer even though for the first 3 1/2 years we did not. The glasses and cups still accumulated debris.
As we have a 5 year service contract with Sears we called for repair and the service man came out and changed some parts stating all would be OK. Well, it wasn't any better.
We then called again and another visit and still no change.
And finally a third time and yet a different serviceman later and still the same problem.
To test this situation we placed clean dishes in the bottome rack and clean and dried mugs and glasses in the top rack and ran through a full 95 minute cycle.
As was expected, examination of the cups and glasses showed that about half of them now had debris hardened on the inside bottom of them. Certainly in a condition that could NOT be used in good concience.
Therefore, before I contact Sears service again and get cranky, I was hoping someone here reading this will have some sort of idea of what might be causing this situation and what, if anything, can be done about it.
Thanks all.