Question about Miele 24 in. Incognito G843SCVi Built-In Dishwasher

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I've just moved into a house and my Miele dishwasher only runs a cold to luke warm wash, and doesn't dry the dishes properly.

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Your G843 heater pressure switch sounds faulty - the heater will not turn on unless it knows that there is water pressure in the unit - that is the function of this switch - it often goes bad due to the over dose of detergent - most Miele's only use about a table spoon of detergent. I Miele service repair is required to repair this problem

Posted on Nov 27, 2008

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Hi.
Because the dishwasher is slightly warming it indicates that the element is working, but not for long enough to heat the water to the setting. eg. 65oC. Most elements will either work at full potential or not at all, thats if the cable connections are in good condition.(no hot joints or burnt connections)
The time the element is on for is governed by the thermostat telling the timer (control board) what temperature is inside the unit. So a faulty thermostat thinks that the temperature is higher then what it actually is (eg 60oC when only 30oC) therfore turning off the element prematurely.
Also there is an over temperature cut off desinged as a failsafe to cut off the element if the temerature becomes too high (from a faulty thermostat also but this time working in the opposite to the above) cutting the element off also.
Another cause could be in the timer, but you can usually see a browning or burn mark around the terminals on the timer for the element but generally the timer will not progress through the cycle until the water temperature reaches the desired temperature.
Last possibility could be that there is not enough water in the machine from a faulty water valve.
All Miele dishwashers heat their own water no matter if hot or cold water is connected so the above answer is incorrect.
Hope this helps!

Posted on Oct 08, 2008

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Hi Shachr,

I'm Harvey the Master Plumber.

Your problem is: You've just moved into a house and your Miele dishwasher only runs a cold to luke warm wash, and doesn't dry the dishes properly.

The d/w uses water directly from the hot water heater. Your problem is common when the pipe length between the two is long. By the time the hot water gets to the d/w it's already filled with the cold water that was sitting in the pipes. Don't dispare! Since the d/w is next to the sink, the next time your d/w is ready to wash just run the hot water till it's hot at the faucet then turn the d/w on, instant hot water for the d/w.
As far as your drying problem, this is common as the d/w gets older. In my humble opinion it's not cost effective to repair. I would be glad it's still washing, but it does mean it's time to start putting a littlr bit away each week and when it fails just buy new.

Feel free contact me again!
Please give me a rating here at fixya.com before you sign off
Thank you,
Harvey your Master Plumber

Posted on Sep 15, 2008

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