Model #31AS230-729 Mtd snowthrower, gas

  • Auger/fuel Tank/wheels
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  • Handle/chute
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Question and Answers


no heat in gas dryer


It's never a good time to have a dryer fail and I can understand wanting to know what could have failed.

Since it does not heat all then there could be one of several possible component failures:

1. Timer (inside console)

2. Thermal fuse (key#59)

3. Operating thermostat (key#42)

4. High limit thermostat (key#43)

5. Flame Sensor (key#48)

6. Motor centrifugal switch (part of motor)

7. Igniter (key#4)

Disconnect the power cord and remove the lower access panel.

I added an image showing the location of all the parts except the timer and motor. The timer and motor centrifugal switch is not likely the failure.

Remove the lower access panel and then start the dryer to see if the glow bar igniter will glow. If the ignitor glows and fades off without any burner ignition, replace both solenoid coils (key#13 and 14) mounted on top of the gas valve.

If the igniter is not glowing then you will need to disconnect the ignitor (key#4) harness plug and check the igniter for continuity using an ohm meter.

If the igniter measures continuity then you will need to check each component connected in series between the timer and the gas valve assembly. You must disconnect at least one wire from the component before you check it for continuity. Whichever component measures open or no continuity, replace that component.

If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website: Sears Home Services .

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Joey S -
Sears Technician
November 08, 2010

Gas Clothes Dryer


Thank you for your question and I understand your concern.

If the dryer will not at least start and run when the push to start is pressed, then I suspect it could have a faulty push to start switch but not too likely.  I added an image below of the wiring diagram. I traced the voltage supply to the motor in black and blue. When the timer is turned on, terminals BK and BU must close in order to complete the voltage supply to the push to start switch. When the push to start is pressed, it completes a momentary path of voltage directly to the motor and it should at least start and run unless the timer contacts BK and BU are not closing or if the belt is broken or has derailed. If the belt breaks or derails, the belt switch will open and break the voltage supply to the motor.

Also, if the door switch is faulty and it's not closing the white wire to the blue wire, the dryer will not start.

The voltage supply should be checked across the blue wire connected at the timer and the blue wire connected to the evenheat control board when the timer is set.  If you do not measure 120 volts, measure across the blue wire at the timer and the white wire connected to P2-1 or P2-2. If 120 volts is measured, the door switch is likely faulty.

NOTE: I do not recommend making voltage measurements unless you have experience and feel safe and confident in doing so; otherwise I suggest calling a service technician to diagnose and repair your dryer. 

I hope this is helpful. If I may be of further assistance as more details become available, please reply to this post. 

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Joey S -
Sears Technician
July 23, 2013