Question about Whirlpool GEW9878LW Electric Dryer

2 Answers

Only runs when start button is pushed

Whirlpool GEW9879PW dryer. The motor runs only when the PTS button is depressed, like so many others. I followed the tech sheet tests, read the forums and replaced the Electronic Control Assembly (part # 3976623) even though the old one had no visible damage. It didn't help. The timer, heater and door switch work normally when the button is depressed. The thermal fuse has continuity and there is no vent blockage. I tested the motor relay (part # 3405281) by switching wires with the heater relay (same part #) and that didn't help either. I have ordered a new motor relay anyway just to be sure. What am I missing? Thanks

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  • pa_sull May 23, 2009

    I was hoping for possible repair suggestions prior to giving up on the dryer.

  • pa_sull May 23, 2009

    The circuit board I replaced is located behind the left side of the control panel, next to the timer. The dryer is 7 years old.

  • pa_sull May 24, 2009

    Thanks for the advice. The timer connections and tests as explained on the tech sheet look good. The sheet shows a Pluggable Drive Motor Switch with connections to the Start Winding and Main Winding. I haven't accessed it yet but it seems like another possibility.

  • pa_sull Jun 05, 2009

    I just wanted to post the solution to my dryer's problem. It was not the $90 Electronic Control Assembly. It was the $10 (on ebay) Heater relay. Wish I had tried that first.

  • pa_sull Jun 05, 2009

    Correction, it was the motor relay.

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  • Master
  • 1,136 Answers

Hi, If the dryer only runs while the start button is engadged, the motor has a start winding going bad

Posted on May 23, 2009

  • Victor
    Victor May 23, 2009

    Looking at your model #, Where is the board located that you changed? I do not see it. The motor cost is around $95.00. How old is the dryer?

  • Victor
    Victor May 23, 2009

    That's not a real old dryer.. Was just wondering on the cost of repair but it will probably be worth a motor. The only other paossibility would be in the timer. My resorces don't show a wire diagram to tell howto test the timer.

    the timer is easy to take apart and check if there are any burnt contacts.

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  • Master
  • 2,004 Answers

This product has always been reported to have a short life good condition span. Factory defects has always been the case.

Try another product for optimal satisfaction.

Posted on May 23, 2009

  • Onifade Adewunmi
    Onifade Adewunmi May 23, 2009

    I just told you I used the same product and I seem not to make sense to you.



    Okay. Cheers.



    Murphybanton

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1 Answer

The start switch start the dryer but shuts itself when we release the button


Several different components could be preventing your dryer from continuing to run when the start button is released. The wiring diagram and other technical information for your dryer are shown in the image below. When the start (PTS or Push To Start) button is pushed, the PTS contact is closed and voltage is supplied to the drive motor. Start voltage is also sensed through the blue/black wire that is connected to the P1-5 Start Sense pin on the control board. When the control board senses the start voltage, it normally applies 48 volts DC voltage through the Pink/Black wire to the motor relay to hold the contact closed between the two blue wires attached to the motor relay that supplies normal run voltage to the drive motor. With the start button taped down, the motor continues to run since it gets voltage through the closed start button. Since the motor stops running when the start button is released, it indicates that you have one of these 3 failures:
Broken or disconnected Start Sense wire.

Failed electronic control board that is not sending the 48 volts DC voltage through the motor relay Failed motor relay. Wiring failure between the components.
Since the motor relay and the heater relay are both exactly the same part, you could unplug the dryer and switch the motor and heater relay to see if the dryer will stay running. If it does, then you just need to order and replace the bad relay.

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I CHANGED DRUM SUPPORT ROLLERS AND PUT BACK TOGETHER AN IT WILL NOT START


Suggest the following.
  • Check drum light. No light defective door switch. Light yes one leg of 220 circuit OK.
  • Be very sure motor doesn't start when you set to run. Belt may be off the motor and motor is very quite. Fix belt. Motor may be stuck or failed listen to hear if it is buzzing
  • When pressing start button listen for distinctive run relay activation. If when the start button is depressed I would expect to here the relay.
  • Motor run circuit relatively simple. The drum motor and blower are one assembly.

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1 Answer

Thermal fuse failure


If the relay sticks, that will cause overheating and the thermal fuse to blow.

Feb 27, 2017 | Whirlpool Dryers

1 Answer

Kenmore Elite Gas Dryer starts/runs/drys only w PTS held on?


push to start button needs replacing,sometimes you can jump that out if you have another switch that starts the dryer when you close the door

Jan 15, 2013 | Kenmore 73952 Gas Dryer

1 Answer

I have a kenmore elite dryer. the push to start button starts the dryer but unless you hold the button down it will not keep running. I have replaced the PTS button and it has not made a differance....


Hi,

There can be many reasons why your dryer will not start or turn...

The most common causes are the belt breaking or jumping off, or the motor goingbad...

Here are a couple of tips that I wrote will help you to figure out why yourdryer will not run...

Dryer Repair - The Dryer is not Turning

Dryer Repair - The dryer will not start


heatman101

May 06, 2011 | Kenmore Dryers

1 Answer

Push to start switch seems like it lost its spring effect- could that be the problem for a no start- model len2000kq1


The push-to-start switch rarely causes the dryer not to start. It doesn't necessarily mean that the PTS is out if the dryer doesn't start. What usually causes this problem is the thermal fuse blown. The thermal fuse, located on the blower housing along with the cycling thermostat, is wired in series with the dryer motor. Power to the motor is then terminated and it cannot run when the thermal fuse blows either due to a restricted duct or malfunctioning thermostat. Make sure the vents and ducts are clear. Click on the link below for the detailed troubleshooting and repair. The thermal fuse and cycling thermostat are part numbers 3392519 and 3387134, respectively.

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Feb 22, 2011 | Whirlpool Dryers

1 Answer

When pts switch is pushed dryer comes momentarily and then shuts off. I've already replaced electronic control assembly and ran diagnostic test, everything seems OK, If I hold pts in dryer runs fine



Hi,

There can be many reasons why your dryer will not start or turn...

The most common causes are the belt breaking or jumping off, or the motor going bad...

Here are a couple of tips that I wrote will help you to figure out why your dryer will not run...

Dryer Repair - The
Dryer is not Turning

Dryer Repair - The
dryer will not start


heatman101

Jan 05, 2011 | Kenmore 73952 Gas Dryer

1 Answer

Runs when PTS held but shuts off when released/no heat


No problem at all.The motor has a start and run winding.Your run winding is bad.The reason you have no heat is the run winding has to run to close the contacts on the motor switch.Replace the motor ,both problems solved. Hope this helps Please rate my response :)

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Whirlpool Dryer won't run.


Tremal fuse. $21. Thanks for the help. Lance

Apr 01, 2009 | Whirlpool Dryers

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Dryer will not start


Make sure there is 240V at the electrical outlet.
Check the thermal fuse, PTS (push to start) switch, drive motor and timer.
If these are ok, please let me know and I will try to help.
Good luck!

Feb 21, 2009 | Whirlpool Dryers

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