Question about Whirlpool LGR5636L Gas Dryer

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Whirlpool dryer ignighter replaced still wont heat

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  • Whirlpool Master
  • 8,220 Answers

The gas dryer assembly consists of a sensor, a ignitor, and a pair of solenoids. The flame sensor must have continuity when cold to fire up the ignitor. The ignitor must be hot and out of the circuit so that power can open them coils. So how do they do it? The control themostat is mounted very near the blower and filter housing. As the air passes by it on the way outside it judges air temp. When the temp drops below 105f the control powers up the gas assembly. The sensor, the ignitor, and the coils are all energized. The ignitor is wired cleverly so that while it is being powered by the flame sensor it takes up most of the energy required to open the coils. Once it gets heated up to ignition temp the bimetal inside the black box (sensor) shuts down power to the ignitor. It is so hot it is now a therm sensor itself. Full power goes to them coils and they can now open the valve. As the flame is ignited the 3rd wire on the holding coil is kept open by the heat from the ignitor which becomes a themo generator. Fascinating isn't it? My home movie:



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Posted on Dec 05, 2012

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Posted on Jan 02, 2017

Master_Tech
  • 770 Answers

SOURCE: burner wont light

there is a heat sensor with a little window mounted on the side of the round tube it maybe bad it closes when the ignt glows red

Posted on Jan 26, 2008

  • 67 Answers

SOURCE: whirlpool gas dryer is not

If your dryer seems to run forever, it could be because of a clogged vent or internal ductwork. Your dryer may have an automatic cycle that turns off the dryer when the clothes are dry. It does this with a special thermostat or moisture-sensing system.

Normally, this is what happens during an automatic cycle:

  • The thermostat tells the dryer to heat until the interior of the dryer reaches a pre-set temperature--say 135 degrees.

  • When the dryer reaches the pre-set temperature, the thermostat tells the timer to begin advancing. (If there's a moisture sensor, the timer advances only if the moisture content of the clothing is low enough.)

  • The timer advances until the interior cools, then the thermostat tells the timer to stop advancing, and tells the dryer to start heating again.

This cycle continues until the clothes are dry. But…if the vent is clogged, the dryer may never reach the proper operating temperature, so it doesn't send the signal to the timer and the dryer continues to run indefinitely, even if the clothes are completely dry. To fix the problem, clean the vent and/or internal ductwork.

if this helps please give me a fix ya vote

Posted on Jul 15, 2008

jtate9
  • 68 Answers

SOURCE: burner wont light

If you have replaced the igniter and the thermacouple. Your next item is the gas valve. This is not that hard to change out, but is probably the most expensive part on the dryer.


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Posted on Aug 04, 2008

  • 13 Answers

SOURCE: dryer still wont heat

you could remove and bench test the theromostat. my kenmore would not complete the circut to heat at all with a faulty thermostat. Just use a jumper wire to bypass it and test it THERE WILL BE NO SHUT OFF COULD HEAT UP TOO MUCH IF LEFT RUNNING.

Posted on Dec 19, 2008

  • 512 Answers

SOURCE: whirlpool dryer wont heat>replace igniter >

Bad thermo switch located behind back cover in area of duct work. 1/4"x2" white in color, two wires connected to it. Stops ignition from firing.

Posted on Jun 07, 2010

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