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Dryer not heating

Dryer not heating

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Thread: Dryer not heating

  1. #1
    Join Date
    Nov 2013
    Location
    Maine
    Posts
    13

    Default Dryer not heating

    Hi Jeff,
    well I got home from work today and there's what looked like a heating coil on my kitchen table. Wife says that my brother-in-law wants me to test it as he says that his clothes dryer won't heat. I tested the coil and it reads 12 ohms, I suspect that this is OK. I would sooner think that it is a bad thermostat or could have lost one phase of the 240 volts. I know that you are going to want the type of dryer and the model number and I can get that, but right out of the gate, what would you expect to find? She also did say that the drum does turn, but no heat.

    Thanks

  2. #2
    Join Date
    Feb 2012
    Location
    Welland Ontario
    Posts
    405

    Default

    I think you are correct.
    Operation Overlord.

  3. #3
    Join Date
    Feb 2012
    Location
    Canada
    Posts
    2,413

    Default

    Hi,

    I tested the coil and it reads 12 ohms, I suspect that this is OK.
    That does sound ok.

    the drum does turn, but no heat
    A copy:

    Q - My electric dryer runs but will not heat, what could stop my dryer from heating ?

    A- Things that could stop a electric dryer from heating:

    - house fuse or breaker ( needs 2! )... - heating element ... - burnt wire ... - thermostats ... thermal fuse ( not all models )... - motor heat switch ... - timer ... - selector switch ... - burnt power cord/plug ...

    Test With Ohmmeter | Appliance Aid

    I know that you are going to want the type of dryer and the model number and I can get that
    Great

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid

  4. #4
    Join Date
    Nov 2013
    Location
    Maine
    Posts
    13

    Default

    OK, this is where we are at......I went over to my brother-in-law's earlier today. He showed me a burnt dryer cord male end and he had the cover off of the dryer receptacle and the black side was toast. He had a new receptacle and dryer cord, so I installed that without hesitation. After I got that in, I checked to be sure I had 120 VAC on each side and that either one was going to ground, which they weren't. I proceeded to try starting the dryer and it tripped both the dryer breaker as well as the main breaker. WOW I thought. I then went and tried to check the thermal units that I found in the blower lines that are in line with the 240 VAC that is required to run the heating element and those "appear" to have continuity, however I didn't think to check these to see if they are going to ground or not at that time, I guess that would be my next move. There has to be a logical reason why this is shorting to ground, I just don't know why yet.

    Thoughts or suggestions?

    Thanks

    I forgot to mention, this is a Kenmore Series 600 model number: 110.67622600, which I believe is a Whirlpool made machine.
    Last edited by toni1595; 02-19-2017 at 03:49 PM. Reason: Omitted information

  5. #5
    Join Date
    Feb 2012
    Location
    Welland Ontario
    Posts
    405

    Default

    Check for short between the hot terminals on the plug to ground and to neutral. Possibly the cord was installed wrong?
    Operation Overlord.

  6. #6
    Join Date
    Feb 2012
    Location
    Canada
    Posts
    2,413

    Default

    He had a new receptacle and dryer cord, so I installed that without hesitation. After I got that in, I checked to be sure I had 120 VAC on each side and that either one was going to ground, which they weren't. I proceeded to try starting the dryer and it tripped both the dryer breaker as well as the main breaker.
    Dryer not heating-220voltdryer-jpg

    Dryer not heating-dryer_outlet-jpg

    Dryer not heating-ldr-cord-4-wire-jpg

    Dryer not heating-recepticalwiringhelp-jpg

    Possibly the cord was installed wrong?
    I tend to agree, something was installed incorrectly.

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid

  7. #7
    Join Date
    Nov 2013
    Location
    Maine
    Posts
    13

    Default

    No, that can't be it. Like I said, I checked both hots and it was 120 VAC on each to neutral and 240 VAC across both. It was fine until you started the dryer.

    I went back over today and tried to look at it logically. I figured that whatever component is going to ground, I could unplug until it goes away. I went through just about everything that I could access from the back side except the main drive motor and it ended up being the timer motor. As long as I unplugged the red and black leads to that, everything was good, as soon as I plugged them back in, that left lead on the power cord was reading about I MEG to ground. I even kept the timer motor unplugged and flipped on the breaker and everything was good.

    Question is now, is this worth repairing. I'd say it does have some age on it by the looks.

    Thanks

  8. #8
    Join Date
    Feb 2012
    Location
    Canada
    Posts
    2,413

    Default

    Is the timer motor shorted to ground?
    I have never seen a timer motor cause a dead short and take out the main breaker.
    110.67622600 timer comes up as...

    Dryer not heating-timer-wp3976576-00612657-jpg Dryer timer

    As long as I unplugged the red and black leads to that
    Looks motor more likes Black and White/black to the timer motor.

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid

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