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Neptune dryer over heating

I have changed my thermal fuse quite a few times now but it keeps on blowing....can it be the heater coil....please help!

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  • 169 Answers

Check all the air flow vents and make sure they are not clogged. Check on each side of the fan, the incoming and exhaust air all the way to the outside of the home.

Posted on Jan 22, 2013

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Posted on Jan 02, 2017

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VOTIT
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SOURCE: Gas Dryer quit heating today

Just click below;

If your dryer doesn't heat, check these:

Igniter
Gas valve coils
Thermal fuse

Hope it may help you;

Regards;
VOTIT

Posted on Jan 28, 2009

  • 132 Answers

SOURCE: thermal fuse keeps blowing

Good Afternoon,
Unless there is something restricting the ventilation I think you are having a problem with the heating coil staying on too long. If that is the case, one or more heating sensors are bad. Let me know if this helps and thank you for using FixYa!

Posted on Mar 27, 2009

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Sears 417.80042990 keeps blowing thermal fuse


Did you clean out the lint filter at the front, heat is the enemy. Clean out all lint from front, if you are handy, get around back and remove all lint and dust by blowing compressed air.

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My Neptune spines and timer works, just no heat, does not dry my clothes.


Hi dandsgarcia..


Here are a few things to check:
ALWAYS UNPLUG YOUR DRYER BEFORE ATTEMPTING TO DO ANY WORK ON IT.
Check to make sure you are getting full 220 Volt power to the dryer, if you are then:
Check your Wiring
Often the main wiring connection from the house, at the dryer, burns and the connection breaks. If this has happened to your dryer, you need to replace the power cord and the terminal block inside the dryer to which the wire is attached.
Check the Door Switch
If the door switch or the door-switch actuator is defective, the dryer won't work and you need to replace the failed component. The switch is inside the dryer main housing near the door frame. Sometimes you need to raise or open the top or front of the dryer to reach the switch. Check for continuity you should have none with door open, and should have a reading when closed. If not replace the door switch.
Check to make sure you heating problem is not a lint build up in the discharge hose or the dryer,as this condition can cause heater/thermistor problems such as overheating of the heating coil leading to failure of the coil and burnout of the thermostat/thermistor due to overheat.
Remove the back/or front just under the door of the machine and try to locate the air duct going from the blower to the drum. Normally inside/outside the air duct you will find the heating coil and the thermostats/thermistors. Once you have located the heating coil, remove the two wires from it and check the coil with an ohm meter across the two terminals of the coil.
You should read continuity across the terminals, if not you will need to replace the coil as it is faulty.
If the heating coil is ok, then:
You can check the thermostat/thermistor/thermal fuse one at a time by removing the two wires and taping them together with electrical tape.
If the coil heats up then replace the thermostat/thermistor/thermal fuse as it is faulty.
If you have an ohm meter then you can test the thermostat/thermistor/thermal fuse,
then you do not have to tape the wires together as described above.
To test your thermostat/thermistor/thermal fuse remove the wires from the thermostat/thermistor/thermal fuse and check for continuity, if you DO NOT have continuity then replace the thermostat/thermistor/thermal fuse.
DO NOT LEAVE THE WIRES TAPED TOGETHER AFTER THE TEST AS THIS COULD CAUSE A FIRE BECAUSE YOU HAVE REMOVED THE SAFETY.
Check your blower wheel to make sure it is secure to the shaft and not plugged with lint,socks,etc.
If the thermal fuse overheats the dryer will not operate. It's located on the blower housing. It cannot be reset.
You can test it with an Ohm meter or continuity checker, remove both wires from the thermal fuse and put the test probes to each of the ends of the thermal fuse, if no continuity then replace the thermal fuse.
A vent clogged with lint can cause it to overheat.
Right after replacing a dryer element, always run the dryer on 'air fluff' / 'no heat', and go outside to verify there's plenty of air coming out your vent system.
If the vent's clogged, that new element can burn out very quickly.
For video and pictures on how to replace a generic element go to the following website:
davesrepair.com/DIYhelp/DIYreplacingWPLdryels.htm
Please take time to rate me

Sep 05, 2011 | Maytag Neptune MDE7500AY Electric Dryer

1 Answer

Dryer air is not getting hot. All other functions still work.


There are several things that can prevent a dryer from not heating.. Unplug Power Before checking.
Electric Models
1- Power- Your dryer runs on 220volts. 110 runs the entire dryer and 110 runs just the element. Your breaker may have half tripped. Check to see if you are getting the correct amount of power by using a ohm meter. Also check the power cord for burn marks on the plugin and the cord itself.
2- The thermal fuse can prevent this from heating. The thermal fuse is a sensor on the blower housing the measures the temperature of the air. There is a cycling thermistat near the thermal fuse. If the dryer temp gets over 190-220 degrees the thermal fuse will blow to cut power to the element to prevent fire. You can test this by using a continuity tester.
3- High limit and/or thermal cutoff. These are both sensors on the heating element housing. Thermal cutoff is at the top and the high limit is near the bottom above the heating element connectors. Test these with a continuity tester.
4- Heating element- Just below the high limit on the heater housing. Test for continuity.
5- Motor- The motor has to reach a certain rpm to activate a sinfrigrial switch inside the motor. If the rpm is not reached it will not allow current to go to the element.
6- Timer- Make sure you are trying this on timed dry. Sometimes people use air fluff and forget to change it back. The timer could also not be sending current to the heater.

Gas models
1- Electric ignitor- Inside the flame tunnel inside of dryer near where gas line hooks up. Usually if it glows than it is still good but check to see if it is sending and amp signal to the heat coils.
2- Heater coils are two valves that open up when the ignitor send signal saying the ignitor can ignite the gas. Heat coils will not open to send gas if it does not receive a signal from the ignotor. They look like two round disk with two wires running from ignitor.
3- Flame sensor- Change if you change the heater coils. The flame sensor could not be detecting the flame inside so it shuts down the ignitor.
4- Motor- See above
5- Timer See above

If you have any further questions or need further assistance please feel free to comment me back

Jul 28, 2011 | Kenmore 63942 Dryer

2 Answers

My maytag neptune dryer doesn't blow any hot air


on top of the heating element on the left side there is a white 2connector part, that is the heater thermal fuse. disconnect the dryer power cord and one wire of the thermal fuse and use a meter to find out if you have continuity to it. if not replace it. also check for burn wires at heating element. also test heating element by disconnecting one wire and using an ohm meter test it at 2 therminals. it shoul measure 10-12 ohms.

Feb 14, 2011 | Maytag Neptune MDE5500AY Electric Dryer

2 Answers

My Neptune dryer mdg5500awgg wont heat up. Any suggestions?


I am providing some links courtesy of www.repairclinic.com that will assist you in the diagnose/repair of your dryer.

Firstly, ascertain that you have made a positive heat selection on the control panel switch, then proceed onward.

Parts breakdown/disassembly procedures:
http://www.repairclinic.com/Dryer-Gas-Maytag-Style-Appliance-Diagram

If your dryer doesn't heat, check these:

Igniter
Gas valve coils
Thermal fuse
Igniter Modern gas dryers use an electric igniter to ignite the gas from the gas valve. When it's working properly, the igniter glows bright orange. When it burns out, the dryer tumbles but there's no heat because the gas can't ignite. When the igniter burns out, you need to replace it. If the igniter is held by a tension bracket, you very well may need to replace the bracket too.

The igniter is inside the dryer housing, near the bottom front, usually in a cone-shaped metal tube (the force cone). It's about 2 inches long. It's mounted to the far end of the burner tube, and it has two wires attached to it--or to the tension bracket, if there is one.

Gas valve coils Watch the igniter. Does it glow bright orange, then shut off without igniting the gas? (When the gas ignites there's a large blue flame.) If so, there may be defective coils on the gas valve. Mounted on the top of modern gas valves, there are black electrical coils. The coils, when energized, open the gas valve. If one or more of the coils are defective, the valve doesn't open and the gas cannot ignite. Because it's often difficult to properly test the coils, it's usually best to replace both (all) of them at the same time.

Thermal fuse On many dryers, there's a thermal fuse (a heat-sensitive fuse that blows if the dryer overheats) mounted to the exhaust duct inside the back cover panel. The fuse is about an inch long. It's usually embedded in black resin and mounted in a white plastic housing.

If the fuse has blown, it has no continuity. When this happens, your dryer either just stops heating, or it doesn't work at all. Be sure to inspect the venting/heating system before replacing the fuse to put the dryer back into operation. (You can't re-set this type of fuse.)



1. Gas Valve Coils image:
http://www.repairclinic.com/SSPartDetail.aspx?s=t-mdg5500awg-%3d%3di3479&PartID=3479

2. Ignitor image:
http://www.repairclinic.com/SSPartDetail.aspx?s=t-mdg5500awg-%3d%3di3018&PartID=3018

3. Thermal Fuse image:
http://www.repairclinic.com/SSPartDetail.aspx?s=t-mdg5500awg-%3d%3di516650&PartID=516650

Aug 26, 2009 | Maytag Neptune MDG5500AW Gas Dryer

1 Answer

Electric Maytag Neptune Dryer not heating up.


If the dryer won't heat up, the problem is typically either a blown thermal fuse or a faulty heating element. The thermal fuse is located just inside the back of the dryer on or near the exhaust duct. It is about one inch long. The thermal fuse and heating element can be tested using an ohm meter or multimeter. These components should have continuity. If either does not, that component is faulty. There is no telling if the moving around of the machine caused the problem or if the timing of the problem was coincidental. Sure hope this helps ya and best wishes.

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1 Answer

Maytag MDG5500 - heat goes off after several minutes


Q - My gas dryer will not heat, what could stop my dryer from heating?
A - Things that could stop a gas dryer from heating:
- glow bar igniter, thermal fuse ( not all models ), coils on the gas valve, gas valve, thermostats,motor heat switch, timer, selector switch, sensor.
A page for checking gas dryers is here.

Mar 07, 2009 | Maytag Neptune MDG5500AW Gas Dryer

2 Answers

Blown thermal fuses


I would think not. The MAIN cause of that fuse blowing is lint build up. Turn the dryer on and put your hand on the outside of the vent duct. Is the air blowing hard? If so, you will probaly be ok, if not maybe your blower wheel needs to be replaced...

Dec 15, 2007 | Whirlpool LER5636P Electric Dryer

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