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Dryer not drying - Kenmoore 110.72812101

Dryer not drying - Kenmoore 110.72812101

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Thread: Dryer not drying - Kenmoore 110.72812101

  1. #1
    Join Date
    Jul 2013
    Posts
    7

    Default Dryer not drying - Kenmoore 110.72812101

    Runs, but was producing no heat most of the time and now there is no heat at all. Tried all heat settings.




    I tested high limit thermostat, operating themostat, thermal fuse: all tested closed.

    I tested the timer switch and found the following differences when compared to diagram:

    TIMED-REGULAR: BK-BU=closed, BU-V=closed
    TIMED-REGULAR: T-W=open
    TIMED-SOFT/LOW HEAT: T-W=open

    Replace timer switch?

    <edit> I think I just found in error in my testing. Does the buzzer have an affect on the above results? Looks like it might from the diagram. Mine was off during testing.
    Attached Thumbnails Attached Thumbnails Dryer not drying - Kenmoore 110.72812101-20130719194131885189_5795_zps20b151b2-jpeg  
    Last edited by bmwpower; 07-19-2013 at 09:55 PM.

  2. #2
    Join Date
    Feb 2012
    Location
    Canada
    Posts
    2,330

    Default

    Hi,

    Sears site is down, this is a gas dryer?

    Runs, but was producing no heat most of the time and now there is no heat at all.
    Is the ignitor coming on? Heating once or twice and then stop heating has often been the coils on the gas valve....but we generally start with "is the ignitor coming on or not" as the best place to start.
    http://www.applianceaid.com/gas-drye...leshooting.php
    http://www.applianceaid.com/gas-drye...oting.php#fuse

    I think I just found in error in my testing. Does the buzzer have an affect on the above results?
    Ignore the buzzer for now.

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

  3. #3
    Join Date
    Jul 2013
    Posts
    7

    Default

    Quote Originally Posted by jeff1 View Post
    Hi,

    Sears site is down, this is a gas dryer?



    Is the ignitor coming on? Heating once or twice and then stop heating has often been the coils on the gas valve....but we generally start with "is the ignitor coming on or not" as the best place to start.
    http://www.applianceaid.com/gas-drye...leshooting.php
    http://www.applianceaid.com/gas-drye...oting.php#fuse



    Ignore the buzzer for now.

    jeff.
    Yep, gas dryer.

    Checked. Continuity on each of the 2 coils.
    Continuity on the igniter and radiant sensor.
    I can see the igniter working by peering through the back of the unit. Igniter kicks on, heat comes on for first cycle and then stops. Igniter cycles again, but no heat.
    Last edited by bmwpower; 07-20-2013 at 10:05 AM.

  4. #4
    Join Date
    Feb 2012
    Location
    Canada
    Posts
    2,330

    Default

    I can see the igniter working by peering through the back of the unit. Igniter kicks on, heat comes on for first cycle and then stops. Igniter cycles again, but no heat.
    Problem - Gas flame comes on first few times then quits and igniter keeps cycling on and off but never lets the gas go.

    Answer ( most common ) - Replace the coils on the Gas Valve.

    Dryer not drying - Kenmoore 110.72812101-00928757-jpg Gas burner valve solenoids. Kit contains both the two wire and three wire solenoids

    The coils on the gas valve are very bad for working once or twice and then quitting. Once cooled down they will ohm ok, time to ohm them is when the heat quits and the ignitor is going on and off with no flame.

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

  5. #5
    Join Date
    Jul 2013
    Posts
    7

    Default

    Yup. That was it. Thanks Jeff!

  6. #6
    Join Date
    Feb 2012
    Location
    Canada
    Posts
    2,330

    Default

    Thankx for the update
    That helps others!

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

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