Question about Whirlpool LGR8648 Gas Dryer

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Whirlpool LGR8648 gas dryer no heat

Hello jsrock, came across your postings in trying to find help after my wife called in terror that dryer is not drying.

The History...two days ago, we did a minor DYI in the laudry room - painting walls and putting up cabinets. In total respect to the omnipotent dryer, we only moved the dryer forward by 3-4 inches in order to paint behind the wall and gingerly pushed it to its original spot, well, maybe a bit more snug than before.

The Problem - not sure if the dryer didn't like our choice of wall color but it will not dry. It tumbles, makes its usual sound, but no dry clothes.

What to do ? - I know for a fact that the gas valve is on the "on" position as the valve is in the same direction as the pipeline. The outside vent opening did have minor lint blockage but not enought to render the the dyer heatless.

Should I ..... -
1) Clean the outside vent opening so it's free of lint
2) Unhook the exhaust vent duct behind the dryer to make sure it is free of lint or other undesireables
3) Dunno what else

Please help or reply to german.fung@us.hsbc.com

I thank you and my dirty laundry also thanks you.

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After a lengthy process of replacing the igniter and gas coils the problem still wasn't fixed, so the process of elimination by going over the schemadics of wires I traced the problem to the Thermal fuse located on the back of the dryer. It is a ceramic peice about 1'' 1/4 long connected with two blues wires.

Problem solved after replacing the thermal fuse

Posted on Oct 29, 2009

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If this is a gas dryer, the first thing I would do is verify that your igniter is working. If you can see inside the dryer (under the drum where the burner assembly is), there should be an orange glow coming from the igniter after you start it. In simple theory a gas dryer works like this:

1. Press the start button, dryer drum begins to tumble, igniter begins to glow.
2. Once the igniter reaches a specific current level (as determined by the type igniter you have), the gas safety valves open and you have ignition.

Typically, the common fail item is the igniter. They simply wear out with age. I would recommend reviewing the following link to learn a little more:

http://www.fixya.com/support/r401858-replacing_oven_igniter_gas_range

I know the link is for replacing an igniter on a gas range, but the type of igniter and theory of how it operates is essentially the same. It is common to have an igniter STILL glow, but not ignite, because it has become weak and will not draw enough current.

Another problem associated with no ignition are the gas coils on the burner assembly. Your dryer should have two of them. One is the pilot position coil (3 terminals), while the other is called the main coil (2 terminals). If one of these coils is defective, it is recommended that BOTH be replaced.

Searspartsdirect.com has an excellent exploded view illustration of the parts I've discussed here. Just type in your COMPLETE model number and look under the "Burner Assembly" heading. The igniter is listed as item number 4 (part #279311) and the coils are listed as items number 13 (part #694540) and 14 (part #694539).

I hope you find this information helpful. Let me know if you require additional assistance.

Posted on Sep 23, 2008

  • Jeff Rockwell
    Jeff Rockwell Sep 23, 2008

    PS I don't think your choice in paint color had anything to do with your problem. Dryers are color blind :o).

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