Question about Whirlpool LGB6000KQ Gas Dryer

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Dryer does not get hot

Look a manual/ignitor

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Start with the thermal fuse, remove back check switches with a tester to see if power goes through them. I an guessing it is the one on the dryer duct behind back panel. It is small rectangular with two wires attached to it. If dryer overheats this fuse will pop needs to be replaced. Also vacuum out all of dryer and venting, clogged venting will cause dryer to over heat and cause problem you have. Part is around $6-8. Go to www.appliancepartspros.com they have all parts you need. also a schematic of your dryer showing where all parts are located.

Posted on May 08, 2010

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Power from the control Klixon mounted on the blower housing energizes the gas valve assembly when the temp is below 105f and the dryer is set for heat. If that control is open then no power is applied and no heat. If a restriction causes the dryer to exceed 350 for some reason then the fuse next to the control Klixon melts. No power will get to the gas assembly but the dryer will run. On that gas assembly is an ignitor/flame detect sensor, an ignitor, and a pair of solenoids that open the gas valve. The flame sensor must have continuity. If it is open then no power will get to the ignitor. If the ignitor is broken you will also have nothing. The coils will not open the valve without a change in the resistance of the circuit. One of them coils has 3 wires and the other has 2. The sequence of gas valve operation is the flame sensor bi-metal has to open when the temp exceeds 1800f. this kills the power to the ignitor and flips the 3 wire coil so that the ignitor is now a thermocouple and the coils will yank open the gas valve. As long as that ignitor stays hot then the gas will continue to flow out the valve. If for some off reason the gas were not to ignite the ignitor would coold down and shut off the gas and that is your builtin safety. So what goes wrong? Blown thermal fuse, open control Klixon, open flame detect/sensor, open ignitor, or Intermittent coils,(the coils will get hot and quit with age.
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Maytag dryer service manual and more HERE

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1 Answer

Just hooked up my gas dryer. worked great thru 5 loads and then quit heating,help!


What did you do move it from one place to another place? You may have shifted the lint around and cause a limit to get tripped.
Here is the manual and more

A gas dryer has a burner assembly consisting of an ignitor, 2 coils, and a flame sensor. The ignitor does 2 functions. It lights the fire and confirms the fire is on like a thermocouple. When it is heated it holds in the coil. If the glowbar is not lit then the coils will not open. The ignitor must be heated to allow that. So if the ignitor and flame sensor is fine and the dryer works when cool but stops heating when hot I would say you need to replace the solenoids.

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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.
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1 Answer

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1 Answer

Dryer doesnt blow hot air.


I find that quite often the ignitor is out of alignment or the glass window is covered with lint.
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There are two common styles of ignitors, glow ignitors and spark ignitors. The ignitor ignites the gas either by heating up and glowing, or by sparking. If the ignitor fails, the dryer will not heat.

The easiest way to check the ignitor is to observe it. Remove the small access panel in front, select a high temperature setting and start the dryer. Watch the burner assembly, shortly after starting the dryer the ignitor should begin to glow or spark. If you see it glow or spark, then the ignitor is working.

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2 Answers

Dryer won't get hot


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Aug 12, 2009 | Dryers

1 Answer

No Heat


Hello
Welcome to Fixya


Remove the vent line from the rear and try the dryer.
If it heats then that means there is a clog or kink in the vent line blocking the vent air from exiting which will stop the dryer from getting hot!
If not then it's another one of these problems.

Defective Ignitor (Gas Only)
When heated the ignitor used on your gas dryer must obtain a specific high temperature
in order to activate the flame sensor. This ignitor is fragile and susceptible to cracking.
A hairline fracture that is barely visible to the naked eye is enough to change
the resistance of the ignitor to a point that is will not work properly.
You can test the resistance of your ignitor. You should get a reading of 50-400 ohms of
resistance.

If the ignitor gets hot and then goes off after about 10-15 seconds and there is
no ignition, the problem is probably not the ignitor. It is most likely the gas valve
coils that are defective.

If the ignitor comes on and stays on, it is the flame sensor that is defective.

If the ignitor is not getting hot it could also be one of the thermostats that is defective.
The power for the ignitor is passed from the timer, through all of the thermostats,
limit switches and fuses to the ignitor. So if you are not getting power to the ignitor
during ignition, you should check the continuity of the individual thermostats and fuses.
DRYER DOES NOT HEAT



Defective Gas Valve Coil (Gas Dryer Only)

If the gas dryer will light once but will not relight until it cools down, it is likely the gas valve coils are faulty. These coils loose some strength when subjected to heat. When they become old, the addition of heat may be enough to prevent them from opening the gas valve when hot. However the coils still work when when cool.

An easy way to diagnose the coils when the burner is not lighting, watch the ignitor. If the the ignitor glows for 10 to 15 seconds but no flame is created, then the coils are faulty. If the ignitor is not glowing the problem is elsewhere.

Recent Customer Symptoms:
The dryer burner doesn't always come on when starting. If the burner does come on, once it goes off if won't come on again until the dryer cools down.



Defective Flame Sensor (Gas Dryer Only)
The flame sensor's job is to monitor the ignitor for sufficient heat
to ignite the gas. A properly operating flame sensor will pass a
continuity check under room temperature.

Common Symptoms
If the flame sensor is defective in the open position,
the ignitor will not get hot when the dryer is started.
However, if it is defective in the closed position the ignitor
will get hot, but the flame sensor will not allow the flame to ignite.
In this case, the ignitor will usually stay hot for a long period of
time.



Defective Thermostat
The thermostats are responsible for maintaining the proper temperature
in the dryer. Check the exhaust temperature of the dyer and if the
temperature is above 150 degrees, you will most likely need to change
the operating thermostat.

The thermostat can also fail in the opposite mode.
It can prevent the element from heating at all.
A failed continuity check at room temperature will verify this condition.

There are some special thermostats that are single pole double throw.
These thermostats are often used to control the timer when set to the
Automatic Dry cycle. If the dryer timer will advance in the Timed Dry
cycle but not the Automatic Dry cycle, then the thermostat could be the
problem.


Defective Thermal Fuse
The thermal fuse is in series with one leg of power to the motor.
If the fuse is open (no continuity) the motor will not run.

Location:
The thermal fuse is located in different locations according
to the model and brand of dryer.

Solution:
Check the thermal fuse for continuity with a volt/ohm meter.
If it is open, it will need to be replaced






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Jan 25, 2009 | Kenmore 73952 Gas Dryer

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