Question about Amana DLE330RAW Electric Dryer

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Dle330raw blows fuse on heating el assembly. Acts as though the thermostat is stuck on..or is the sensor on this assembly not opening at its trigger temp?......

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Take a look at the heating element and see if it hasnt broken and shorted itself. It needs to be a full resistance run or it would draw too much current due to lack of resistance.

The unit should have a top and bottom thermal switch as well. You can disconnect them one at a time and see if the trouble goes away. You may just have an melted in the on condition thermal switch.

good luck and be careful. thats 110 going through those switches!

Posted on Oct 12, 2010

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Posted on Jan 02, 2017

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DLE330RAW amana dryer running too hot


The control thermostat on the blower housing is the one you need to change if it is getting too hot. It is taking too long to shut off the element. The only other thing it could be is a blocked vent making it overheat. The fuse is set for 350f the limit on the element is a 250 f one. I suspect the 250 f limit on the element is doing the drying not the control stat. Hence you getting overheat but not hot enough to blow the fuse.

Apr 13, 2013 | Amana DLE330RAW Electric Dryer

1 Answer

Propain gass dyer. runs but very little heat. replaced gas valve coils and no change. Now I believe I have to check limit switches, but not sure how to test..What about the RADIANT SENSOR? NEED...


Hi.

More than limit switches if burner is turning on but heating is poor you should check cycling themostat and then blower motor, lint filter and parts comprised in blower assembly.

When the problem is the high limit, there is no heat at all.
When the problem is radiant sensor, there is no heat at all.

Poor heating means either: defective cycling thermostat; clogged air ducts; defective blower system, problem with timer or temperature selector.

If the heating turns off in the middle of the cycle check also door switch.

Here Cycling thermostat:


10_22_2011_10_57_23_am.gif

The cycling thermostat is located in the blower assembly. Here removal instructions. Disconnect power first:

10_22_2011_11_00_07_am.gif

The thermostat can be tested using a multimeter. Set the multimeter on impedance (Ohms). Good thermostat will read about Ohms at room and will read open (infinity) at 150F.

Once in there also check the thermal fuse and check blower assembly. Remove lint and make sure blower is working. Thermal fuse is tested reading impedance across its two contacts. Remove fuse from circuit and touch with multimeter probes fuse's contacts (same for thermostat). If fuse is good it will read zero Ohms or very little impedance. a bad fuse reads infinity.

Check also the exhaust. Make sure there is no blockage.

Operations are illustrated from page 72 of service manual: Here the service manual.


10_22_2011_11_09_36_am.gif

About the flame sensor, that is a part that rarely fails. If the dryer ignites the radiant sensor is not responsible for the fault.
The radiant sensor is mounted in parallel with the coil.



When temperature is reached the sensor opens up allowing power to burner valve (valve 2). Testing the flame sensor like a thermostat is difficult because it opens up at high temp. I read volts while operating. I suggest users carrying only maintenance that can be performed with power off.

10_22_2011_11_18_01_am.gif

If the burner shuts down at random more than the sensor check the door switch. Run a cycle with door switch contacts jumped.

Start checking cycling thermostat and air ducts, those are problems that usually cause low heating.

Regards.

Ginko

Oct 21, 2011 | Maytag Neptune MDG5500AW Gas Dryer

1 Answer

Dryer is not heating. where is the heat sensor on DLE5001W


On a gas dryer the gas assembly is simply powered up by a sensor on the blower housing. If heat is called for from upstairs the power flows through the bimetal mounted on the blower housing. Here is a simple bi-metal: themobilian_2460.jpg
See the 4 wires? 2 of them wires operate a small heater inside the control. when it gets heated it shuts down faster for permapress and knits. Next to the control is a fuse on most models as seen here:
themobilian_2461.jpg
That fuse blows if the air temp exceeds 350f. That control thermostat at its hottest setting of cotton shuts down at 160f. It ramps back up at 105f. and continues to send power to the gas assembly till it feels 160f and then it shuts down. SOOO.. if we have a good fuse and a good thermostat 120 volts should get to the gas assembly if heat is needed. The gas assembly has a flame sensor which detects the heat bouncing off the ignitor. An ignitor to light off the gas, and a pair of holding coils. The whole gas assembly is energized at one. But them coils will not supply gas until the ignitor drops out if the circuit. To do so the flame sensor bi metal must shut down the power to the ignitor and that frees up the power to charge them coils and yank open the valve. The gas hits the ignitor and whoosh we have fire in the hole. It takes literally no time for the temp to reach 160 in the blower housing and so the power is removed from the gas assembly and the dryer tumbles onward absorbing the heat till the temp drops down to 105f and that control once again powers up the gas assembly. If your flame sensor is working and shutting down the ignitor and the heat works once or twice but quits then them solenoids are getting hot and quitting because they are old and weak. Replace em and party on.
themobilian_2462.jpgthemobilian_2463.jpgthemobilian_2464.jpg
themobilian_2465.jpg

Jun 18, 2011 | Whirlpool LGQ8000JQ Gas Dryer

1 Answer

Car seems to be heating up dont know if it can be a stuck or bad thermostat


thats a good possibility, though most thermostats get stuck open, not closed. check the coolant level to make sure its ok, a lot of times the water pump will go bad, and allow air to seep in causing air pockets, thus making the vehicle overheat, also is it blowing good heat?? might be heater core leaking.

Nov 29, 2010 | 2004 Jeep Grand Cherokee

1 Answer

Dryer will not heat up


Unlike electric dryers gas dryers will continue to run if the thermal fuse is blown. Usually some sort of air blockage will cause the thermal fuse to blow. The control thermostat powers up the gas assembly.cd79cfa.jpg It judges the drum temp as air passes over it on its way out the exhaust. It opens(quits sending electricity to the gas assembly) at 160f for cotton and closes(starts sending power to the gas assembly) again at 105f.
When the dryer is running and the timer is set for heat, the control thermostat is energised. It powers up the flame (ignitor) sensor, the ignitor, and the solenoids. The gas does not come out with those solenoids energised because the ignitor is using most of the power to get it lit. When the ignitor is glowing wide open the heat from it causes a bi-metal in the flame/ignitor sensor to bend and open the circuit to that ignitor. That kills power only to the ignitor. The resulting power surge causes the solenoids to yank open them flood gates and raw gas comes out onto that screaming hot ignitor. KAWOOOSHHHH Houston we has ignition. At this point the ignitor becomes a safety device. As long as the flame is washing through that ignitor the current keeps flowing to them solenoids and the gas keeps a coming. If for some reason their was no ignition the ignitor would cool down and shut off the solenoids. More here

Jul 25, 2010 | Whirlpool WED5520SQ Gas Dryer

3 Answers

I have no heat coming out of the vents. Blows


If the temperature is cold outdoors, this can be a symptom of a stuck open thermostat. With the thermostat stuck open the engine never gets warm, so it won't give good heat. It's not expensive to get a new one, and they are easy to replace, so take it in and have it checked. Another symptom of that is very low gas mileage in the cold weather.

Jan 09, 2010 | 2002 Saturn VUE

1 Answer

Teledyne lars hot water heater, thermostats are off but baseboards still pumping heat


Sounds as though the valve that feeds the baseboards is stuck open. Either that or the thermostat wires are somehow crossed, or the thermostat is stuck in the closed position. Check those things and I think you will have the problem solved...Lee

Nov 01, 2009 | Teledyne Laars HEAT EXCHANGER ASSEMBLY,...

1 Answer

Dle330raw not heating.replaced heating element was working on time dry then stopped, replaced thermostate. no heat at all now.


Check your blower, it may not be blowing hot air to your drum..You did not say if it was blowing or not.

Sep 26, 2009 | Amana DLE330RAW Electric Dryer

1 Answer

Dryer wont heat up it just blows cold air...whats the deal???????


Usually what fails in an electric dryer after years of good service that the heating element or elements fail and it often blows a fuse in the dryer when it does this. You need to remove covers and check the heating element with an ohm meter, Sometimes the element is visible and can be seen to be broken. If you can't see the break avoiding handling the element wire as the older it is the more fragile it gets. No point breaking one that isn't already broken. The thermostat that controls the drying temperature can also fail but that is less likely. Heating elements are like light bulbs. They have a fixed life and burn out after a number of hours. Don't forget to replace the fuse if it has one and its blown with the same size fuse.

Dec 31, 2008 | Whirlpool GEW9250 Electric Dryer

1 Answer

Carrier Gas Furnace


There is no pilot light, its electronic start now.
like your stove should be.
you can trigger the furnace by shorting out the correct combo on the thermostat but not advised unless you know the right ones.
be sure the power is on the the transformer that provides power to the thermostat.
though that may be contained within the furnace now days.
just check your fuse box and call a tech.

Jan 26, 2008 | Carrier XHB123D X/Y Series Heat/Cool Air...

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