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Anonymous Posted on Apr 26, 2012

Can I bypass the thermal fuse on a gas dryer - Whirlpool LGB6300 Gas Dryer

5 Related Answers

Anonymous

  • 2071 Answers
  • Posted on Jan 28, 2009

SOURCE: Gas Dryer quit heating today

Just click below;

If your dryer doesn't heat, check these:

Igniter
Gas valve coils
Thermal fuse

Hope it may help you;

Regards;
VOTIT

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Anonymous

  • 6784 Answers
  • Posted on Mar 09, 2009

SOURCE: keep blowing fuses

hi, make sure you are using a time delay fuse and not a regular fuse. this may be the reason why the fuse keeps blowing out on your dryer.

Anonymous

  • 5911 Answers
  • Posted on Sep 14, 2009

SOURCE: dryer will not heat, checked and changed thermal fuse and no heat

The igniter is located on the burner assemly inside the dryer cabinet under the dryer drum. You can view it by removing the lower toe panel directly below the dryer door. This is accomplished by inserting a putty knife along the seam where the dryer front meets the toe panel. About two inches in from each side is a retaining clip that you must push down with the the putty knife, while pulling out on the toe panel. Repeat this on the opposite side and the pane will come free.

The way the ignition system on your dryer is supposed to work is like this:

1. Press the start button.
2. The igniter on the burner assembly begins to glow.
3. Once the igniter reaches the required current potential, the gas safety valve opens.
4. Gas is introduced into the manifold and you have ignition.

NOTE: It can take roughly 30 – 90 seconds from the time you press start to the time it takes for the gas to ignite.

This is a built in safety feature that prevents free flowing gas from entering the dryer cabinet without ignition. Such a situation could lead to an explosion.

There are two basic types of igniters:

Carborundum (Cylindrical in shape) – needs to produce 2.5 to 3.0 amps for the gas safety valve to work.
Norton2.gif (Rectangular in shape) – needs to produce 3.2 to 3.7 amps2.gif for the gas safety valve to work.

I believe your dryer takes the Norton type igniter. The part number is 279311 and can be purchased at pcappliancerepair.com for about $22. NOTE: Just because your current igniter may still glow, does not mean it is good. Igniters will wear out with age and the current potential will decrease to the point where it no longer will open the gas safety valve.

Now...another cause of poor heating quality and longer dry times is poorly istalled, kinked, or clogged dryer exhaust ventilation ducting. If you have not checked the dryer ducting from where it exits the dryer to the point where it leaves your home, now may be a good time to do so. A dryer needs proper ventilation in order to dry efficiently.

You can easily replace the igniter by performing the following steps:

1. UNPLUG the dryer and remove the lint screen from inside the dryer door.
2. Insert a putty knife along the front seaam where the top panel of the dryer meets the dryer front. Locate the retaining clips and push down while lifting on the top panel. The dryer top will lift up.
3. Unplug the door switch connector plug and any ground wire that may be installed on the casing and disconnect the door hinge springs.
4. Locate and remove the dryer chute that covers the blower fan assembly and disconnect the auto dry sensor plug.
5. Hold the door closed and locate the four screws that hold the front panel in place. There should be one screw on each side at the top and at the bottom.
6. With the door shut, lean against the front panel and remove the four screws. Once removed, hold the top of the drum as you pull the front panel away and remove.
You should now have complete access to the dryer interior. You do not have to remove the drum, but if you have to for better access, release the belt tension on the drum. While the tension is released, remove the belt from the drive motor pulley. Leave the belt wrapped around the drum and lift the entire drum with it to remove from the cabinet. You now have full access to the burner assembly to replace the igniter. All you should have to do is disconnect the connector plug and a couple of mounting screws.

Once you have the igniter installed, you need to re-install the drum and belt by following these steps:

1. With the belt still looped around the dryer drum (grooved side facing the drum - try to line the belt up with the wear marks already on the drum from the belt) lift the drum with the belt and insert the back rim of the drum onto the support rollers in the rear of the dryer first.

2. With the drum resting on the rollers, slowly turn the drum clockwise until the rollers seat into the rear drum groove. You should feel the drum drop into place once it seats correctly.

3. Hold the drum in place (you can do this by resting it against your shoulder so you have both hands free). Loop the belt over the drive motor shaft first.

4. Then, with the tensioner in your right hand, pull the wheel to the right and place the belt on the idler wheel with your left hand.

5. Release the tensioner and the idler wheel will tighten up the drive belt against the drum.

If this does not explain it well enough, you can also verify by going to repairclinic.com. Click on the Repair Help link and look for the "Dryer Belt Diagrams" link under the Special Features section on the next page. Look for Whirlpool and refer to diagram K.

Once you have the belt installed, re-install the dryer front panel by lifting the front of the drum slightly and placing the drum support wheels under the drum. Lift the entire front panel with drum in place and insert the front panel in the side panels. Hold the door shut so it doesn't fly open and line up the screw holes on the bottom edge of the front panel and then align the top. Reinstall the door springs, the auto dry sensor plug, the dryer chute that covers the blower fan housing, followed by the door switch connector plug and ground wire. Lower the top panel back in place.

I know this is rather lengthy, so take your time and read thoroughly. This is not a difficult repair at all. If you still have questions, please let me know. I hope you find this helpful.

TheMobilian

Dan Webster

  • 8221 Answers
  • Posted on Feb 05, 2010

SOURCE: WP leq7030kq1 electtric dryer. Won't start, push

If the thermal fuse is ok then the door switch or door switch actuator maybe.

If you need further help, reach me via phone at https://www.6ya.com/expert/dan_73bbd84fe1d95b61

Anonymous

  • 185 Answers
  • Posted on Mar 27, 2010

SOURCE: Dryer will not start. thermal fuse ohms thru as

Try first by jumping out the door switch. then push the push to start button.
if still dont go on jump out the push to start button.
i replaced one not to long ago.
if still wont start it will be the motor or the timer.
Timer usually you can hear it running making a clock like sound. motor you have to ohm it out and see if it is good. a service manual will have the correct ohms with blk to white, to red, to blue etc. i dont have em
its only in the book. you can do the door sw. and push to start yourself. but sfter that you must decide to i want to spend $300 FIXING THIS ONE OR $300 ON A NEW ONE???

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1answer

Dryer wont heat up

You will have to remove the back panel to access this part. Be sure that you unplug the machine before starting. Once the back panel has been taken off and placed aside the thermal switch will be located on the left lower side near the blower housing . It will be thin and long and located near the cycling thermostat that has for prongs on it. On certain machines, the thermal fuse is located in the front. To access this you must remove the kickplate, which can be done by pushing the clips, one on each side jsut above the top of the kickplate, in between the top and abottom portion. The part numbers are the same for either style dryer. To test this part you can either take the wires off it and tie them together then plug the machine back in and see if it heats, or you can use amultimeter and check to see if there is continuity, if there is its good, if not, bad. The thermal fuse will usually be white, and if located in the back, be thin and long with two wires on it, left and right. If in the bottom front, it will be front center on the exhaust duct. In some cases the ignitor or the gas coils will go bad. Here is a good process of elimination.
1)Verify that the thermal fuse is good. If you don't have a meter bypass it and turn the machine on. If heats, thermal fuse is bad, if not leave connected and continue
2)When the dryer starts and thermal fuse bypassed, the ignitor should start to get hot and glow, if your thermal fuse is in the back you are going to have to have to the top of the dryer up to see down inside near the front for the glow. You can do this by taking the lint trap out and removing the two screws and popping the top up. If the ignitor comes on more than likely the gas coils are bad and if it doesn't the ignitior is bad. (this is while the thermal fuse is bypassed so the ignitor has power to it regardless)

If you need further help, I’m available over the phone at https://www.6ya.com/expert/jason_4570d45317834dd3

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I have a Whirlpool Gas Dryer Model LGR8648PWO that will not heat

You will have to remove the back panel to access this part. Be sure that you unplug the machine before starting. Once the back panel has been taken off and placed aside the thermal switch will be located on the left lower side near the blower housing . It will be thin and long and located near the cycling thermostat that has for prongs on it. On certain machines, the thermal fuse is located in the front. To access this you must remove the kickplate, which can be done by pushing the clips, one on each side jsut above the top of the kickplate, in between the top and abottom portion. The part numbers are the same for either style dryer. To test this part you can either take the wires off it and tie them together then plug the machine back in and see if it heats, or you can use amultimeter and check to see if there is continuity, if there is its good, if not, bad. The thermal fuse will usually be white, and if located in the back, be thin and long with two wires on it, left and right. If in the bottom front, it will be front center on the exhaust duct. In some cases the ignitor or the gas coils will go bad. Here is a good process of elimination.
1)Verify that the thermal fuse is good. If you don't have a meter bypass it and turn the machine on. If heats, thermal fuse is bad, if not leave connected and continue
2)When the dryer starts and thermal fuse bypassed, the ignitor should start to get hot and glow, if your thermal fuse is in the back you are going to have to have to the top of the dryer up to see down inside near the front for the glow. You can do this by taking the lint trap out and removing the two screws and popping the top up. If the ignitor comes on more than likely the gas coils are bad and if it doesn't the ignitior is bad. (this is while the thermal fuse is bypassed so the ignitor has power to it regardless)

If you need further help, I’m available over the phone at https://www.6ya.com/expert/jason_4570d45317834dd3

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1answer

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You will have to remove the back panel to access this part. Be sure that you unplug the machine before starting. Once the back panel has been taken off and placed aside the thermal switch will be located on the left lower side near the blower housing . It will be thin and long and located near the cycling thermostat that has for prongs on it. On certain machines, the thermal fuse is located in the front. To access this you must remove the kickplate, which can be done by pushing the clips, one on each side jsut above the top of the kickplate, in between the top and abottom portion. The part numbers are the same for either style dryer. To test this part you can either take the wires off it and tie them together then plug the machine back in and see if it heats, or you can use amultimeter and check to see if there is continuity, if there is its good, if not, bad. The thermal fuse will usually be white, and if located in the back, be thin and long with two wires on it, left and right. If in the bottom front, it will be front center on the exhaust duct. In some cases the ignitor or the gas coils will go bad. Here is a good process of elimination.
1)Verify that the thermal fuse is good. If you don't have a meter bypass it and turn the machine on. If heats, thermal fuse is bad, if not leave connected and continue
2)When the dryer starts and thermal fuse bypassed, the ignitor should start to get hot and glow, if your thermal fuse is in the back you are going to have to have to the top of the dryer up to see down inside near the front for the glow. You can do this by taking the lint trap out and removing the two screws and popping the top up. If the ignitor comes on more than likely the gas coils are bad and if it doesn't the ignitior is bad. (this is while the thermal fuse is bypassed so the ignitor has power to it regardless)

If you need further help, I’m available over the phone at https://www.6ya.com/expert/jason_4570d45317834dd3

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Kitchenaid gas dryer model # kgys750jq does not heat up

You will have to remove the back panel to access this part. Be sure that you unplug the machine before starting. Once the back panel has been taken off and placed aside the thermal switch will be located on the left lower side near the blower housing . It will be thin and long and located near the cycling thermostat that has for prongs on it. On certain machines, the thermal fuse is located in the front. To access this you must remove the kickplate, which can be done by pushing the clips, one on each side jsut above the top of the kickplate, in between the top and abottom portion. The part numbers are the same for either style dryer. To test this part you can either take the wires off it and tie them together then plug the machine back in and see if it heats, or you can use amultimeter and check to see if there is continuity, if there is its good, if not, bad. The thermal fuse will usually be white, and if located in the back, be thin and long with two wires on it, left and right. If in the bottom front, it will be front center on the exhaust duct. In some cases the ignitor or the gas coils will go bad. Here is a good process of elimination.
1)Verify that the thermal fuse is good. If you don't have a meter bypass it and turn the machine on. If heats, thermal fuse is bad, if not leave connected and continue
2)When the dryer starts and thermal fuse bypassed, the ignitor should start to get hot and glow, if your thermal fuse is in the back you are going to have to have to the top of the dryer up to see down inside near the front for the glow. You can do this by taking the lint trap out and removing the two screws and popping the top up. If the ignitor comes on more than likely the gas coils are bad and if it doesn't the ignitior is bad. (this is while the thermal fuse is bypassed so the ignitor has power to it regardless)

If you need further help, I’m available over the phone at https://www.6ya.com/expert/jason_4570d45317834dd3

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Dryer tumbles, but does not heat

You will have to remove the back panel to access this part. Be sure that you unplug the machine before starting. Once the back panel has been taken off and placed aside the thermal switch will be located on the left lower side near the blower housing . It will be thin and long and located near the cycling thermostat that has for prongs on it. On certain machines, the thermal fuse is located in the front. To access this you must remove the kickplate, which can be done by pushing the clips, one on each side jsut above the top of the kickplate, in between the top and abottom portion. The part numbers are the same for either style dryer. To test this part you can either take the wires off it and tie them together then plug the machine back in and see if it heats, or you can use amultimeter and check to see if there is continuity, if there is its good, if not, bad. The thermal fuse will usually be white, and if located in the back, be thin and long with two wires on it, left and right. If in the bottom front, it will be front center on the exhaust duct. In some cases the ignitor or the gas coils will go bad. Here is a good process of elimination.
1)Verify that the thermal fuse is good. If you don't have a meter bypass it and turn the machine on. If heats, thermal fuse is bad, if not leave connected and continue
2)When the dryer starts and thermal fuse bypassed, the ignitor should start to get hot and glow, if your thermal fuse is in the back you are going to have to have to the top of the dryer up to see down inside near the front for the glow. You can do this by taking the lint trap out and removing the two screws and popping the top up. If the ignitor comes on more than likely the gas coils are bad and if it doesn't the ignitior is bad. (this is while the thermal fuse is bypassed so the ignitor has power to it regardless)

If you need further help, I’m available over the phone at https://www.6ya.com/expert/jason_4570d45317834dd3

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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.

jahn27_444.jpg

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).
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Our Whirlpool dryer model #LER7646AQ0 will not start. Door switch checks for power with a power tester. Put new start switch in and still doesn't work. Do I need to use Ohm tester or will power tester...

This problem is commonly caused by a blown thermal fuse located on the blower housing. The thermal fuse is wired in series with the motor and the motor activates a centrifugal switch for the heating element when it runs. These setup makes the dryer fail to start and the heating element not to turn on if the thermal fuse is blown. The dryer seems to no work at all. Verify the condition of the thermal fuse by bypassing it and starting the dryer.

Disconnect power then access and bypass the thermal fuse on the blower housing. The blower housing is located on the rear left bottom of the dryer cabinet. Remove the rear panel to access the blower housing and so the thermal fuse.

jahn27_41.jpg

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


The thermal fuse and cycling thermostat are part numbers 3392519 and 3387134, respectively.
Jan 11, 2011 • Dryers
7helpful
1answer

I have Model # LER5636EQ3 dryer it all of a sudden quit working in the middle of a drying cycle. I Checked fuses in house all OK. Checked to see if other cycles worked will not start or make a sound at...

This problem is commonly caused by a blown thermal fuse located on the blower housing. The thermal fuse is wired in series with the motor and the motor activates a centrifugal switch for the heating element when it runs. These setup makes the dryer fail to start and the heating element not to turn on if the thermal fuse is blown. The dryer seems to no work at all. Verify the condition of the thermal fuse by bypassing it and starting the dryer.

Disconnect power then access and bypass the thermal fuse on the blower housing. The blower housing is located on the rear left bottom of the dryer cabinet. Remove the rear panel to access the blower housing and so the thermal fuse.

jahn27_41.jpg

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


The thermal fuse and cycling thermostat are part numbers 3392519 and 3387134, respectively.
0helpful
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Motor won't spin, belt is good, drums turns by hand, tested 1 thermal fuse and had no continuity with multimeter and the 2nd one did. Not sure how to test motor. 1 trouble code displayed 02, or motor...

if you thermal fuse is gone then the dryer will not start(you can bypass the fuse by taping the wires together and test it, then buy a new fuse as if left bypassed it will cause a fire), it is recommended to change both. Here is a picture hope it helps Tim:

http://www.applianceaid.com/pictools/thermalfuse&stat.JPG
2helpful
1answer

Will not start

The problem is likely a blown thermal fuse.Disconnect power then access and bypass the thermal fuse on the blower housing. The blower housing is located on the front left bottom of the dryer cabinet if the dryer has the lint filter on the front or at the rear left bottom if the lint filter is located on the top of the cabinet.
jahn27_40.jpg
Dryers with lint filter on the front.

jahn27_41.jpg
Dryers with lint filter on the top.

Bypass the thermal fuse by disconnecting the wires and connecting them together. Insulate them 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.
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