Thermador Dishwashers - Recent Questions, Troubleshooting & Support
Glasses etched and spotted in Thermador dishwasher soft water
I have spent a 50 year career in catering using dishwashers and seen all the damage that can cause. Etching is caused by using too much detergent. They tend to be based on Caustic Potash. Use as little as you can get away with. Rinse aids don't normally cause spotting, but having the water too hot can. If you are having problems, change the detergents and lower the temperature. You can also try Calgon water softener, but only a little. Also make sure filters are clean and run a liming solution through the machine once every 6 month. Before I retired, I was manager of a Toronto Airport business class lounge, and we washed thousands of plates and glasses a day 5:00am to 11:30pm. We descaled every week.
7/12/2023 5:07:00 AM •
Thermador...
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Answered
on Jul 12, 2023
Thermador dishwasher DWU244, error code "F" does not run?
f code is a fill fault problem to much or to little water to determine the problem is to hit cancel drain buttons on the front of the machine and wait for cl on the display turn off machine and wait 30 seconds turn back on and the first thing you will hear is the drain motor turn on for 15 sec then you should hear the water filling into the machine if you dont hear water filing then check to see if the valve under the sink is open to allow water to fill machine
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