Thread Number: 66416  /  Tag: Modern Dishwashers
Code 6-4
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Post# 890288   7/21/2016 at 12:18 (2,833 days old) by Fltcoils (South Bend, Indiana)        

My brother's KUDS30IXBL1 has had difficulty filling after the first garbage flush cycle for about a year. He's been resetting it with the circuit breaker.

It finally became ineffective and when he prompted for codes he got a 6-4, 6-2, and 6-1 (newest to oldest).

He is puzzled because it does fill and flush just fine during the test cycle. He gets 1075 ohms for the coil on the fill valve. The overfill switch works fine. I suggested the fill valve coil may open up as it warms during use. Any opinions ?

He says:

"Float moves freely, when up, switch loses continuity (it opens).
I assume F9 is good since pump empties the water during diag test, and it measures 0.2 ohms.
When drain hose is disconnected from sink drain and filled with water, water does not drain back into dishwasher.
I doubt there is any debris clogging the emulsifier, as I rinse dishes thoroughly before loading.
No problem with suds. When starting the diagnostic program, it gives a readout of previous errors. There were three previous errors. 6 - 1, 6-2, 2-1.

I am inclined to pitch this thing. I see where a couple of wires must have been hot because they melted the black coating on the inside door panel. Wires look okay though."




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Post# 890290 , Reply# 1   7/21/2016 at 12:26 (2,833 days old) by RevvinKevin (Tinseltown - Shakey Town - La-La Land)        

This post has been removed by the member who posted it.



Post# 890355 , Reply# 2   7/21/2016 at 19:44 (2,832 days old) by fltcoils (South Bend, Indiana)        

I am sorry to report my brother has given up on the nachine.

Thank you anyhow.


Post# 890378 , Reply# 3   7/21/2016 at 23:34 (2,832 days old) by combo52 (50 Year Repair Tech Beltsville,Md)        
DW Problem

combo52's profile picture

It may just be a bad inlet valve coil.

 

The wiring did not get hot and melt into the insulation, but rather the tar like insulation melts slightly and sticks to the wiring, all of this style DWs do the same thing.



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