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Kitchenaid Dishdrawer DD603  Rate Topic 
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 Posted: Sat Jan 5th, 2008 09:44 am
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whirled1
Senior Apprentice Appliantologist


Joined: Fri Dec 28th, 2007
Location: Beantown, Massachusetts USA
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My Kitchenaid DD603 (Model KUDD01DPPA0 - made by Fischer & Paykel) BOTTOM DRAWER has a "Fill Fault" error code on it. (HEAVY & RINSE lights on)

The user manual is of little help. And while the supplied tech sheet does give a bit more information regarding the error and possible solutions, only a couple of the solutions seem to apply and I would like to know how to verify what the possibilities might be.

From the Tech Sheet:

Fill Failure
- Water Supply Valve Turned Off
Turn on water supply valve.

-Inlet Valve Failed
1. Unplug dishwasher or disconnect power.
2. Check resistance of inlet valve coil, replace
if necessary.

-Low Water Pressure
Water pressure must be above 4.3 psi.

-Spray Arm Not In Place
Put spray arm back in proper location.

-Obstructed Inlet Hose Or Inlet Valve
Clear obstructions.

-Bad Wiring Or Connections
1. Unplug dishwasher or disconnect power.
2. Check wiring and connectors to controller.

-Machine Is Siphoning
Check drain hose installation.

-Impeller Is Slipping On Rotor
Replace rotor and impeller assembly.

Possibilities have me leaning to the fill valve soleniod. I have removed the bottom drawer and can see no indication of a blocked or kinked hose.

The drain lines are installed correctly and the drawer drains well. The spray arm does work.

The top drawer is seemingly working just fine. We have EXCELLENT water pressure in the house here in Somerville. (having just renovated my 1883 victorian, I have a 1" main going to 3/4" lines to each unit in my house)

Testing both drawers - the bottom drawer fills at a -much- slower rate.

I have tested the OHM reading of the valves - at the valve - (tech sheet says to test at the CONTROL BOARD - and I DO get a low reading for BOTH valves) but this is at the valve and I am not sure if it is correct. 65-75 OHM is correct - my reading is 63 for bottom valve and 64.5 for top. Seems like this might be my issue but I'm not sure if I need to measure at board or it is OK to measure at the valve directly.

There IS evidence of a past water leak on the floor pan. This is NOT a leak error though. BUT how can I test the board to be sure that it is not the culprit either.

Thanks for the help. A thousand blessings on your beer fund.

Attachment: KADDerror.JPG (Downloaded 38 times)

Last edited on Sat Jan 5th, 2008 09:51 am by whirled1

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 Posted: Sat Jan 5th, 2008 11:47 am
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jeffhoward



Joined: Sat Jul 30th, 2005
Location: Warriors Mark, Pennsylvania USA
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Try this.  Remove the wires from the lower fill valve.  Remove the wires from the upper fill valve and place them on the lower fill valve.  Close the upper drawer and start a cycle on it.  If you get water in the lower drawer you know the fill valve itself is OK and the problem is probably the board. 

Another way to check it, but I'm not sure how easy it would be or if even possible, would be to make a "suicide" cord out of an old lamp cord.  In other words, apply 110v directly to the fill valve and see if water starts flowing.  The only problem with this is that I think these valves have the really small connectors which would  be hard to get wires onto and also, I'm not 100% positive they are 110v solenoids.  I pulled down the tech sheet for your DW but it does not indicate what voltage these valves are.

The resistance readings sound good so I'm doubting the valve is bad.  I would look for obstruction or kinking of the fill tube when the drawer is closed.  I doubt siphoning is an issue since the upper drawer works and you would at least hear water coming into the lower one but it would drain out as the unit is running.

 



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Divers do it deeper stay down longer and come up wetter.
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 Posted: Sun Jan 6th, 2008 09:24 am
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Samurai Appliance Repair Man
Fermented Grand Master of Appliantology


Joined: Mon Mar 21st, 2005
Location: Otterville, New Hampshire USA
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And here's that service manual.



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