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Customer Questions and Answers for Assy- by Samsung

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    • Part Number: AP4209074
    • MFG Part Number: DC97-03716C
    • Made by: Samsung
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For Samsung Assy- (Part Number: AP4209074)

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Looking at part #ap4209074 pressure switch. I suspect it is faulty. I am checking about 20 ohm resistance between the two outside terminals but applying pressure to the line that connects to the diaphram I can hear movement in the switch but there is no switching taking place. No resistance change nor any continuity between the center pole and either of the outside terminals. Question how do you check this switch? I am having erratic operation of the drain pump and the pump is fine. Caught between ordering a complete control board or making sure this switch is the problem. Thanks.

Ronald for Model Number samsung wf306law/xaa

ANSWER Hi. Verify board output voltage on CN 3 : pins # 6 (org) & # 7 (Vio) and Connector CN 3 : # 6 (org) & # 8 (pnk). Voltage output is 2.5 VDC Board output. Resistance : CN 3 : Pin # 8 (pink) & CN7 pin 7 (Violet). 22-24 ohms. The symptoms mentioned allows me to believe the pressure switch part # 34001324 is bad. Rattling loose internal parts. Otherwise. Thank You. 

Answered by AppliancePartsPros.com   |   Thursday, November 15, 2012

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