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Whirlpool Dryer,model# lgr8648pwo, serial # ms0804177. Dryer is not getting hot. ignitor has been replaced. when i replaced the ignitor, the dryer briefly got hot (20 seconds) then it went cold again.what do you think the problem is?

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The coils on the gas valve are more than likley the problem they come in a set replace them both.

Posted on Sep 10, 2010


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Posted on Jan 02, 2017


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I have a whirlpool LGR8648pwo. Runs not heat and timer doesnt move. I found a 4 prong sensor in the back of the unit. 2 prongs have continuity and the other 2 dont. Is that bad.

If no heat at all i suspect this part HERE. This is the fuse. It kills power to the gas assembly if junk gets into the filter housing and cause an overheat condition. On electric models this same fuse kills the whole dryer. On gas models it just kills the gas. If that is good the next thing to check is the flame detection sensor mounted out side of the burner chamber. It's job is to power up the ignitor. If it is open no power can get to the ignitor. If it is good then the next thing to check is the ignitor. If the ignitor is good AND you are getting power from that control klixon you mentioned with the 4 wires on it AND you can get a little heat at first but then none at all them coils need to be replaced. Here is my home video:

Dec 09, 2012 | Whirlpool LGR8648 Gas Dryer

3 Answers

Whirlpool dryer(LGQ9557HQ0), ignitor ignites but flame does not light

mounted on top of the gas vavlve is black electrical coils when energized it opens the gas valve,if one of the coils are defective it wont open and let the gas thru,its hard to test the coils so most repairmen just replace them all

Jul 07, 2008 | Whirlpool Dryers

1 Answer

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)

Jun 04, 2012 | Whirlpool LGR8648 Gas Dryer

1 Answer

Whirlpool lgr8648pwo is not drying clothes in the dryer, not hot enough.


the link below has several videos that explain how to repair your dryer.

Mar 07, 2011 | Dryers

1 Answer

I have a Whirlpool Dryer. Model No.GGQ9800LW1. Dryer runs but does not get hot. I have replaced Flame sensor and the ignitor. what could it be?

Hello & Welcome to FixYa

As you have already replaced both flame sensor and ignitor & the problem is not solved so the problem is with the thermal fuse/thermostat going bad. Both these parts can be checked with a voltmeter for continuity. Please get back to me if you have any other questions.


Dec 02, 2010 | Dryers

1 Answer

I replaced the igniter and thermal fuse and dryer

The thermal fuse should only be replaced if the dryer will not start
If it starts the thermal fuse is good.
If you touched the ignitor with your fingers it may have blown out.
Open the dryer and check for voltage to the ignitor through the ignitor wires while the dryer is on.
If you have no voltage check the hi-limit thermostat for continuity as well as the operating thermostat.
Check the flame sensor for continuity while it is cold.
If you have power to the ignitor place a clamp on amp meter on one ignitor wire and turn the dryer on.
If you read 3 amps or less the ignitor is bad.
If it reads the amps or more the gas valve coils are bad.

Jan 17, 2010 | Whirlpool Dryers

1 Answer

Not heating up Gas Dryer

Modern gas dryers do not have a pilot light. They have an electronic ignitor (glow or spark). A glow ignitor turns on several seconds before the gas turns on and should get orange hot. A spark ignitor should make a clicking or buzzing noise.

Most likely the ignitor is bad but you can check it fairly easily to make certain. The best instructions I have found are at

If it is the ignitor it can be replaced with a few hand tools. Remove the bad ignitor. Write down the make, model, and serial # of your dryer. Call your local appliance parts store to see if they have one it stock before driving over there.

Dec 22, 2009 | Whirlpool Dryers

1 Answer

My dryer doesnt heat.

hi there,

check the ignitor and the coils on the burner assy.

Sep 30, 2008 | Whirlpool LEQ8000JQ Electric Dryer

2 Answers

Gas dryer not heating up

Flash, did you check the thermal fuse in the back? On a gas dryer the drum will still turn if it's blown. check out the picture and post back.

Mar 29, 2007 | Whirlpool LGR3624JQ Gas Dryer

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