Have Bocsh SMU 2046 UC diswasher. Aprox. 11 years old Has always worked well. Recwntly is not cleaning at 100% as before. Seems to run through cycle as normal and sort of cleans but leaves stains in coffee cups and flatware seems filmy, sometimes a little guk left on dishes, all uncharacteristic of past performance. Tried a thermometer during cycle and water temp is around 151 F during wash, 136 F at rince. and 154 F at dry time. Have checked arms for cloging and are free wheeling. What's left to look at except sort of cleaned dishes ? Any insight to this problem would be greatly appreciateg.Gerald
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