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Testing a whirlpool 3398095 start switch.

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How do I test the start switch on my whirlpool dryer, part number 3398095. Related Models Whirlpool  LEC7848DQ0  ELECTRIC DRYER

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Old 02-24-2011, 09:56 AM
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Default Testing a whirlpool 3398095 start switch.
Model Number: LEC7848DQ0   Brand: Whirlpool   Age: 5 - 10 years   

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How do I test the start switch on my whirlpool dryer, part number 3398095.


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  #2 (permalink)  
Old 02-24-2011, 10:16 AM
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Here are your parts
Replacement parts for WHIRLPOOL LEC7848DQ0 | AppliancePartsPros.com

See the attachment for the wiring diagram

As you can see from the wiring diagram it is a relay and not a switch,

So contacts R1 to R2 should be 0 ohms when it is pushed in.

If it is OK the next thing to check would be the thermal fuse (Item 7 in Section 3)
Should also be 0 ohms.
If blown (infinite ohms) be sure to check/clean your vent system before replacing as this is the most common cause of it blowing.
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File Type: pdf LEC7848.pdf (43.0 KB, 228 views)
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Old 08-05-2012, 09:18 PM
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Default Further Clarification Needed

Which terminals are R1 and R2? Is that the Blue to Blue in the schematic, or Blue to Pink/Black? Blue to Blue I have continuity, but any blue wire to pink does not have continuity. Thanks for your help.
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Old 08-08-2012, 01:46 AM
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I am not 100% sure but I believe Blue to Blue is R1 and R2, so you should have 0 ohms when the button is pressed. Infinite ohms when not presses.

A Blue to Pink/Black will then be the coil. Use a higher meter scale to check this (200 Kohms).
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