Thread Number: 71623  /  Tag: Modern Dishwashers
KA KDFE104DWH1 DW Failure
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Post# 947694   7/11/2017 at 14:35 by DADoES (TX, U.S. of A.)        

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RJ bought the machine of subject last year on "open-box" at Lowe's or Home Depot, whichever.  Sold as "special order customer didn't pick up."  Serial is June 2015 so yeah, it's two years old now.  Indications are it was never used, but I assume the warranty is no longer valid.  Clean inside, had detergent and rinse aid samples, energy tag hanger intact.  Front leg bracket was bent, probably from having been moved around the store.  Aimed for use in his 3rd rental property, which occupants are to move in Mon 7/17.

The wash motor doesn't run.  It fills, drains, no circulation.  Diagnostic Test cycle ... fills, detergent dispenser opens, element heats, no circulation, drains at the end, beeps and shuts off. Presumably bad board or bad motor.  No fault codes, assuming I'm not missing something.  Tech sheet says the Clean light indicates codes by number of flashes ... it doesn't flash anything.  No loose wires beneath, nothing cracked/damaged.





Post# 947724 , Reply# 1   7/11/2017 at 18:08 by Rolls_rapide (Scotland, UK)        

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Maybe the pump impeller seal has seized up.

I think Bosch models had problems with the 'carbon face seal' on the impeller shaft seizing up when not used for a long period of time. The solution for the user, was to pour hot water into the sump. Though I believe I read a Bosch service bulletin somewhere, which had a modified carbon face seal with a slightly smaller surface area, to combat the problem.


Post# 947728 , Reply# 2   7/11/2017 at 19:38 by DADoES (TX, U.S. of A.)        

dadoes's profile picture
 
I checked the board fuses per the tech sheet, passed, assuming I'm doing it correctly.  Also checked the motor for continuity (via the leads disconnected from the board), passed.  I have cataract surgery tomorrow and next Wed so am diverted from further attention to it.  RJ has opted to call a local service guy.  The new renters can survive without a dishwasher for a few days if need be.


Post# 949247 , Reply# 3   7/21/2017 at 08:52 by jeff_adelphi (Adelphi, Maryland, USA)        
Should be under warranty,

jeff_adelphi's profile picture
The warranty starts when the machine is first sold, if you have a proof of purchase it should be covered.




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