Thread Number: 73355  /  Tag: Vintage Dishwashers
KitchenAid by Hobart - Runs Hot Water Down the Drain
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Post# 968913   11/19/2017 at 11:12 by cjhsa (Grand Rapids)        

No more squirty/sudsy/washy.... I can see the water going in from the side of the now open to the world (since my old fridge failed) dishwasher. But I can also hear the water being sucked straight down the drain (and the drain gets warm). I had a mouse get in there and was electrocuted on some contacts, but they don't seem to be drain solenoid contacts, too high up. Not sure what they are exactly.

Is this now scrap? I have to admit I've never seen one of those central control boxes before, which appears to be a combination of relays and a music box (cam).

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Post# 968914 , Reply# 1   11/19/2017 at 11:14 by cjhsa (Grand Rapids)        

You'll have to turn your head clockwise or screen counter clockwise to see the mouse pic properly. Sorry, at least it's clear.

Post# 968923 , Reply# 2   11/19/2017 at 13:18 by Tomturbomatic (Beltsville, MD)        

The drain valve is probably shorted open.

Post# 968948 , Reply# 3   11/19/2017 at 16:59 by Gyrafoam (Roanoke, VA)        

Really nice machine. Will clean circles around most of the junk on the market today------ once it is operating properly.

Post# 968959 , Reply# 4   11/19/2017 at 17:56 by cjhsa (Grand Rapids)        

So how do you fix a shorted out drain valve?

Post# 968967 , Reply# 5   11/19/2017 at 18:45 by Tomturbomatic (Beltsville, MD)        

I would start by disconnecting the power from the machine and then removing the mouse. Reconnect the power then see what happens.

Post# 969063 , Reply# 6   11/20/2017 at 08:24 by cjhsa (Grand Rapids)        

Did that. Cleaned contacts with a toothbrush. No luck.

Post# 982770 , Reply# 7   2/14/2018 at 09:59 by cjhsa (Grand Rapids)        

Well, I will be opening the place up again soon. Wondering if anyone has any other suggestions for how to fix this thing? Should I just buy a new/used one off of Craigslist?

Post# 982781 , Reply# 8   2/14/2018 at 13:53 by eronie (Flushing Michigan)        

Something is in the drain valve keeping it from closing. Open it up could be a bit of glass toothpick etc. Easy fix.

Post# 982802 , Reply# 9   2/14/2018 at 15:49 by speedqueen (Harrison Twp, Michigan)        

speedqueen's profile picture
Get some clip leads and a volt meter and find out if the solenoid is truly energized or that something is just sticking the valve open.

If the drain solenoid is getting line voltage during the fill, you have an electrical problem, if not, you have a mechanical problem like eronie suggested.

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