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A dishwasher is designed to perform three functions: 1) fill, 2) circulate and 3) drain. If these
three things are accomplished properly, yet there is some type of performance problem, most
likely it is related to one or more of the following factors:
1. The water conditions (hardness and temperature).
2. The detergent and rinse additive usage.
3. The way the user operates and loads the dishwasher.
For example very hard water (over 15 grains per gallon) will make it practically impossible
to get excellent results from any dishwasher. Similarly, the amount of detergent used will have
an effect on the results as will the loading procedures.
It is relatively easy and always a good idea to check the mechanical operation of the
dishwasher before assuming it is being used incorrectly, if everything is operating properly, then
the source of the problem could be in its usage.
Sometimes it is not easy to isolate the other factors which could contribute to poor
dishwashing performance. Take a close look at each of the elements listed above. In the
dishwasher’s usage will yield improved results. The information on the following pages will
help you identify and solve these non-mechanical problems.
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