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Turtleman1961 01-18-2013 06:52 PM

Whirlpool dryer won't start
I have a Whirlpool WGD5800SWO dryer that we have had for a few years now and it now will not start.

It has no power at all.

I have check these items all seem OK.

Push to Start Relay reads zero ohms.
Door switch reads zero ohms
Thermal fuse reads zero ohms
Operating thermostat reads zero ohms (thermostat heater reads 4.8K ohms)
Thermal cutoff read zero ohms
Hi limit thermostat reads zero ohms
Applied 110 V to motor and it spins freely
Door light works.

Not sure what check on the timer swich to verified that it working correctly. I do hear the swich time running but no power.

Please let me know what else to try.

Thanks Joe

Turtleman1961 01-18-2013 08:13 PM

It seems that switch four on timer switch should power up dryer. I think I should jumper T - W to power dryer. On back side of connection I get 120 V across T -W with timer going and when I push the push to start switch.

I think its the timer switch but not positive. It could still be the motor?


Turtleman1961 01-19-2013 07:14 AM

Timer Switch Part number is 3406725. On the plug side of Timer switch I get 120 volts across T -W when I engage the timer switch and engage the push to start switch. Not sure is the Timer Switch 4 is engaging. ANy other suggestions?

Thanks Joe

Turtleman1961 01-19-2013 02:53 PM

Timer Switch
Well it ended up being the timer switch....T - W was open.....Never did get a response for the forum....Thanks Anyway

trmorrisnd 03-23-2013 11:44 AM

That's just because you seem to know everything already.
I just went through this and the thermal fuse, door switch and start switch are the problem 99% of the time with a non starter.

Here is what I used to educate myself on testing those three things for most any electric Whirlpool/Kenmore Electric dryer when they will not start. Mine is a (WED4900XW1).

1) Door Switch Replacement (Part #3406107)
Door Switch Replacement (part #3406107) - Whirlpool/ Kenmore Electric Dryer Repair - YouTube
You can test/bypass the door switch by removing it and passing a wire through the two outer ports in the plug. If the dryer works now, then you know that the door switch was the problem. New part should cost $20-30.

2) Thermal Fuse Test (Part# 3392519)
Dryer Thermal Fuse Test - YouTube
Kenmore Whirlpool Dryer Won't Start - Easy Fix - YouTube
You can test/bypass the thermal fuse by pulling both wires off the fuse and connecting them. Alternately, an ohm meter should read 0 resistance when it is unplugged. New part should cost $15-25

3) Checking & Replacing the Starter Switch (Part #3398095, 10117655)
Start switch Whirlpool 29 inch electric or gas dryer - YouTube
This video does an excellent job of showing you how to test the starter switch by bypassing it, and also using an ohm meter to test the internal circuitry. Blue to Blue should have zero resistance when the button is depressed.
New part should cost $30-45

Repair Diagrams and Parts Lists:

Whirlpool Website:[WED4900XW]-1001611/WED4900XW/

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