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caposto

Member Since 12 Feb 2012
Offline Last Active Jan 04 2014 08:46 PM

#259801 Miele dishwasher gets stuck in wash and rinse cycles

Posted by caposto on 02 July 2013 - 06:30 PM

I wanted to close the loop on this post to maybe help someone else.  So I had this dishwasher sitting in my garage for the past year and a half unable to diagnose or repair it.  I pulled it out recently to make one last attempt.  I ended up finding another door mounted temp sensor and swapped it out, but same symptom - It wouldn't advance through the full cycle.  A couple of calls to Miele and they said either the door mount temp sensor was bad or the control board was bad.  Not willing to give up, I ended up finding a thermometer I had with a remote sensor I could put into the dishwasher as it ran.  The thermometer revealed it was only getting up to 122 degree F max.  Since the temp setting says 150 degrees, it wasn't getting hot enough to trigger the door mounted sensor.

 

The heating element is a silver tube running up the left side and there is a surface mounted sensor half way up the tube with two wires running to it.  I bypassed this sensor thinking it might be bad and ran it again.  Same symptoms and still only getting to 122 degrees max.  I believe this sensor is a override circuit breaker type sensor that will shut the heater off if it gets too hot.  Looking further, there is another sensor/resistor at the bottom of the tube towards the inside of the dishwasher with another two wires going to it.  I bypassed this one and re-ran and it heated up to 150 degrees and ran through the complete cycle.  Bingo!  This sensor/resistor is bad.  I believe this controls the temp setting because when I re-ran again on the 130 degree setting, it still heated up to 150 degrees.  The machine will run fine with this sensor bypassed and I will just be losing the 130 degree setting.  Not a big deal for me, but I'll find a new sensor/resistor and replace.

 

Hope this helps someone else.





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