Tip & How-To about Dryers

Dryer not working at all

Dryer not working at all? Usually this is due to a thermal fuse being blown. To check for a blownthermal fuse:

1. MOST IMPORTANT, unplug dryer.

2. If this is an oldermodel, pry up front of top cover of dryer using a flat head screwdriver. Cover should be hinged on back side of dryer.

3. Lift up coverand look towards back of dryer near heating element (coils). 4. Youshould find a small metal part mounted near the heaterand about the size of a bottle cap with two wires plugged into it.

5.Take a multimeter and set it to read continuity (the horseshoe symbol).It should read "ovrflo". Test the meter by touching the meter probetips together - the reading should change to zero or close to zero. If so, the meter is reading correctly. Many meters will also beep.

6. Take the multimeter test probes (2) and touch one probe to each plug on theback of the fuse at the same time - make sure to touch the bare metalplugs where the wires are attached.

7. If the meter reading changes tozero again, the fuse is good and this is not the problem. If not, thefuse is blown and probably is the problem.

8. If the fuse is blown,unplug the wires from the fuse and remove the fuse - may need a flathead screw driver and needle nose pliers to help remove the fuse.

9.Again, repeat steps 6 and 7 to verify if the fuse is blown. The metershould read about 0 if the fuse is good, if it still reads "ovrflo"then it needs to be replaced.

10. Get on the internet and do a searchwith the brand and model number / serial number of your dryer to getthe thermal fuse part number.

11. Do another search for applianceparts stores in your area and start calling to see who has the part.Could also give band / model number to parts store to see if they havethe part.

12. Go get and install the new fuse. Make sure to mount thefuse just as the original was mounted and remember to reconnect thewires to the fuse.

13. Push down the dryer top cover, should pop inplace.

14. BEFORE YOU RESTART THE DRYER, CHECK THE EXHAUST DUCTS AND EXHAUST HOSE FROM YOUR DRYER ALL THE WAY TO WHERE IT EXHAUSTS OUTSIDE OF THE HOUSE. THERE IS LIKELY A BLOCKAGE OF LINT SOMEWHERE IN THE LINE.THIS IS WHY YOUR DRYER OVERHEATED AND YOUR THERMAL FUSE BLEW IN THE FIRST PLACE. IF YOU DON'T SEE A BLOCKAGE, AND YOU HAVE AN ELECTRIC LEAF BLOWER, HOOK IT UP WHERE THE DRYER CONNECTS TO THE EXHAUST HOSE AND THOROUGHLY BLOW OUT THE EXHAUST LINE TO OUTSIDE THE HOUSE.

15. Once satisfied the exhaust is clear, plug the dryer back in and start it up.

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Sensor light comes on when you push the start button but does not start spinning


This is a problem commonly caused by a blown thermal fuse due to a faulty thermistor or cycling thermostat depending on the model of the dryer. The thermal fuse is located on the blower housing and wired in series with the motor. The motor cannot therefore run when the thermal fuse blows open and no dryer functions works.

Unplug the dryer then remove the bottom panel and the lint duct and check continuity of the thermal fuse. You can also bypass the thermal fuse for troubleshooting purposes. Check for blocked lint filter and restricted vent system if the thermal fuse is indeed blown then replace it including the thermistor/cycling thermostat. Click on the link below for detailed troubleshooting of this common problem.

Kenmore Elite and Whirlpool Duet Dryers Not Starting

Jul 19, 2011 | Whirlpool GEW9250 Electric Dryer

0 Answers

Usually this is due to a thermal fuse being blown. To check for a blown thermal fuse: 1. MOST IMPORTANT, unplug dryer. 2. If this is an older model, pry up front of top cover of dryer using a flat head screw driver. Cover should be hinged on back side of dryer. 3. Lift up cover and look towards back of dryer near heating element (coils). 4. You should find a small metal part mounted near the heater and about the size of a bottle cap with two wires plugged into it. 5. Take a multimeter and set it to read continuity (the horseshoe symbol). It should read "ovrflo". 6. Test the meter by touching the meter probe tips together - the reading should change to zero or close to zero. If so, the meter is reading correctly. Many meters will also beep. 6. Take the multimeter test probes (2) and touch one probe to each plug on the back of the fuse at the same time - make sure to touch the bare metal plugs where the wires are attached. 7. If the meter reading changes to zero again, the fuse is good and this is not the problem. If not, the fuse is blown and probably is the problem. 8. If the fuse is blown, unplug the wires from the fuse and remove the fuse - may need a flat head screw driver and needle nose pliers to help remove the fuse. 9. Again, repeat steps 6 and 7 to verify if the fuse is blown. The meter should read about 0 if the fuse is good, if it still reads "ovrflo" then it needs to be replaced. 10. Get on the internet and do a search with the brand and model number / serial number of your dryer to get the thermal fuse part number. 11. Do another search for appliance parts stores in your area and start calling to see who has the part. Could also give band / model number to parts store to see if they have the part. 12. Go get and install the new fuse. Make sure to mount the fuse just as the original was mounted and remember to reconnect the wires to the fuse. 13. Push down the dryer top cover, should pop in place. 14. BEFORE YOU RESTART THE DRYER, CHECK THE EXHAUST DUCTS AND EXHAUST HOSE FROM YOUR DRYER ALL THE WAY TO WHERE IT EXHAUSTS OUTSIDE OF THE HOUSE. THERE IS LIKELY A BLOCKAGE OF LINT SOMEWHERE IN THE LINE. THIS IS WHY YOUR DRYER OVERHEATED AND YOUR THERMAL FUSE BLEW IN THE FIRST PLACE. IF YOU DON'T SEE A BLOCKAGE, AND YOU HAVE AN ELECTRIC LEAF BLOWER, HOOK IT UP WHERE THE DRYER CONNECTS TO THE EXHAUST HOSE AND THOROUGHLY BLOW OUT THE EXHAUST LINE TO OUTSIDE THE HOUSE. 14. Once you are satisfied the exhaust is clear, plug the dryer back in and start it up.

Apr 25, 2010 | Dryers

1 Answer

dryer won't start


This usually caused by a blown thermal fuse on the blower housing located behind the rear access panel. This thermal fuse is wired in series with the motor and if it blows, power to the motor is terminated and the motor cannot run. No dryer function works when the motor cannot run.

Unplug the dryer or disconnect power then remove the rear access panel. Locate the thermal fuse then bypass it for troubleshooting purposes.

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Bypass the thermal fuse by disconnecting the wires and joining it together. Insulate properly and plug the dryer back in. The thermal fuse is indeed blown and needs to be replaced if the dryer starts. Do not use the dryer with the thermal fuse bypassed due to fire hazards.

Clean the lint filter and make sure the vent system is not restricted then replace the thermal fuse including the cycling thermostat (thermistor for other models) as a standard operating procedure and preventive measure. The thermal fuse usually cuts out due to a failed cycling thermostat(thermistor for other models).

Jul 19, 2011 | Roper REX3614KW Electric Dryer

1 Answer

cabrio electic dryer has power but will not run


There is a thermal fuse wired in series with the motor and if it is blown, power to the motor is cut and cannot. No dryer function works when the motor cannot run. The thermal fuse usually blows due to a failed exhaust thermistor. Check for clogged lint filter and/or restricted vent system then replace both the thermal fuse and the thermistor if the thermal fuse is found blown open. This is a DIY repair which only requires very minimal effort with a screwdriver.

Disconnect power then remove the back panel and locate the thermal fuse and the thermal fuse on the blower housing.
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Click on the link below for some troubleshooting information before replacing the thermal fuse and the thermistor.

Kenmore and Whirlpool Dryers Not Starting

Jun 17, 2011 | Whirlpool WED7300XW Dryer

1 Answer

clothes are not drying, not heating up


It could be a bad heating element, but most of the time I find that a thermal fuse has blown. Find someone with a basic knowledge of electricity, unplug it and find the thermal fuses (usually 1-3 of them in the housing that directs the air from the blower to the drum. Unhook them one at a time and check them for continuity. Replace any that are open. If you find a blown thermal fuse, check the dryer and the pipe leading outside for lint buildup as this is often what blows them.

Nov 17, 2009 | Maytag Neptune MDG5500AW Gas Dryer

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