Thread Number: 81938  /  Tag: Vintage Dishwashers
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Post# 1059585   2/4/2020 at 14:40 (1,152 days old) by 1hdflstf (Cambridge)        

So i am a new home owner and i have a kd57a that came with the house i hooked it up but just hums and sounds like its working but its not. I feel like its not pumping water to rotate washing arm is there any kind of flow chart as to what the order of .operation is

Post# 1059588 , Reply# 1   2/4/2020 at 15:10 (1,152 days old) by RP2813 (Sannazay)        

rp2813's profile picture

Maybe this will help:


Post# 1059645 , Reply# 2   2/5/2020 at 09:08 (1,151 days old) by stevet (West Melbourne, FL)        
Just Humming?

You do not mention if what you hear is the actual pump motor running or not. If the pump is, in fact, running but you hear no water splashing around, is the water turned on to the machine or in the house itself?

Check and see what is actually happening and let us know so we can be of further help to you.

If the motor is running,you can pour a few quarts of water into the tub and see if the pump is working and also, check below for any leaks from the pump seal. Since you say you are in a new home, the machine may have sat idle for a long time and may have developed some leaks.

Post# 1059690 , Reply# 3   2/5/2020 at 20:36 (1,151 days old) by 1hdflstf (Cambridge)        

ok guys i have done some work on the old girl. she pump sprays and drains and drys but i think i have a timer issue possibly. if i manually rotate knob it does it thing. if i start at a full cycle it starts and fills but dial doesn't seem like it is advancing. i hear it click from time to time but doesn't drain. if i manually rotate it it drains. could i have a bad thermal switch that powers timer motor?

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