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Customer Questions and Answers for Assy-Sensor Pressure by Whirlpool

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    • Part Number: AP4044328
    • MFG Part Number: 34001324
    • Made by: Whirlpool
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For Whirlpool Assy-Sensor Pressure (Part Number: AP4044328)

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Hi - like many others, I had a few ND errors that went away on reset before it basically stopped pumping for good. Cleaned the filter, took all the hoses off, drained fine, all the hoses appear to be fine (no debris, no kinks), no debris in the filter, etc. Replaced the pump and continue to have the same problem. When in rinse & spin mode, sometimes, it will pump out the 1st 1/2 gallon or so of water before it stops, gives a few clicks, and then sits there for 15 minutes before giving the ND error again. I noticed a few others mentioned the pressure sensor, is that a likely next item to try, or do you have any other suggestions? Thanks for the help!

Randy K for Model Number WF448AAW/XAA

ANSWER Randy, You will want to check the wiring harness, the connector to the pump to make sure that it is ok. If these things check ok then you could eliminate the water level sensor by doing the following: to check Voltage Connector CN7 Pin 6 (Pink) and CN7 Pin 5 (Orange) and connector CN 7 Pin 7 (Violet) and CN7 Pin 5(Orange). Operating voltage at no water in the drum for test one and test 2 operating resistance Power off. To check resistance Connector CN 7 Pin 6 (Pink) and CN7 Pin 7 (Violet), Test 1 should read 2.5vdc and test 2 should be between 22-24ohms. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html 

Answered by AppliancePartsPros.com   |   Tuesday, April 16, 2013

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