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My dryer will not start a wire is not getting a meter read going form starter switch to motor?

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HI. The start switch may be the culprit here. Make sure that the wires are connected properly, and not loose or corroded, in anyway. If all is well with the wires, move on to the testing procedure for the start switch, itself.

Locate the start switch(Usually located in the control panel housing). it will have two or three wires connected to it. Label the wires and connections so that you can properly reconnect them later. The wires are connected with slip on connectors. Firmly pull the connectors off of the terminals (do not pull on the wire itself). You may need to use a pair of needle-nose pliers to remove the connectors. Inspect the connectors and the terminals for corrosion. If either is corroded they should be cleaned or replaced.

Use a multimeter to test for continuity. Set the meter to the ohms setting X1. For a two wire switch, touch one probe to each terminal. You should get a reading of infinity. With the probes still in place, press and hold the start switch, the reading should change to zero.

For a three wire switch, touch one probe to the terminal labeled NC (or CT1) and touch the other probe to the terminal labeled CO (or R1). You should get a reading of infinity. With the probes still in place, press and hold the start switch, the reading should change to zero.

If the switch fails either test, it should be replaced.

Posted on Nov 17, 2009

  • Michael Masters
    Michael Masters Nov 17, 2009

    Hi again. I would go ahead and test the door switch, as well. This is a common problem spot if the start switch is ok. Disregard this test if the start switch fails the test above.


    The door switch may be accessible without removing the front panel or cabinet. The switch is located in the front panel of the dryer, around the perimeter of the door opening. Inspect the switch to determine if it can be popped out or accessed by removing a fastening screw. If it cannot be accessed from the front, it will be necessary to open the dryer cabinet. When reaching into the dryer be careful of sharp edges on the cabinet and interior supports.

    Access varies by model, if your dryer has a lower front panel (kick plate) start there. It should lift up and off or it may be held in place with a few screws or snaps; it may also have a catch at the edges or center gap between the kick panel and main panel. To release the catch, push a putty knife, wrapped with masking tape, into the gap and push back the catch. The next easiest access point is the rear panel. The rear access panel is held in place with several screws along the outer edges. The last resort method of access is the removal of the entire front panel. The front panel supports the front of the drum and so removal is more difficult. Front panel removal varies. In general, access is gained by lifting the top (remove the lint trap screws first), removing the screws that secure the front panel, and detaching the panel from the drum.

    Locate the door switch, it typically has two wires connected to it. Label the wires and connections so that you can properly reconnect them later. The wires are connected with slip on connectors. Firmly pull the connectors off of the terminals (do not pull on the wire itself). You may need to use a pair of needle-nose pliers to remove the connectors. Inspect the connectors and the terminals for corrosion. If either is corroded they should be cleaned or replaced.

    Use a multimeter to test for continuity. Set the meter to the ohms setting X1. For a two wire switch, touch one probe to each terminal. You should get a reading of infinity. With the probes still in place, press and hold the switch, the reading should change to zero.

    If the switch does not test as described, it should be replaced.


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WED5600XW whirlpool dryers not starting


Hello Moezz;

My name is Peter. I am a retired field service appliance technical.

Unplug the dryer prior to the start of any work!

There are three areas that you need to check.

1.) Door Switch.

Open the dryer front door. In the upper left is a small pin that sticks out. Push the pin. Do you hear a click? If not you have a bad door switch. You need to remove the top cover to access the door switch. Having accessed the switch, remove the two contact wires. With a multi-meter set to the lowest ohms, put one meter lead on each contact, while pressing the switch in, the meter should read '0' if it is good. If you do not have a meter, join the two wire leads together and start the dryer. If it starts you have a bad switch.
25301680-yudzge0n2ugbkkaxty0c5tth-3-0.jpg
Part number W10411936 - $22.00

2.) Poor Air Flow
If you do not have good air flow the dryer will not start. On the back of your dryer is a hot air distribution manifold. It is held on with several screws. Remove these screws. Inspect the lower connection and check the blower wheel for obstructions.

3.) Thermal cut-off fuse.
On your burner funnel there is a fuse. You will need to remove the dryer front panel to access. You need to Ohm it out as described above.
25301680-yudzge0n2ugbkkaxty0c5tth-3-3.jpg
4.) Motor Pulley Start Switch.

On the end of your motor is a pulley. There is a lever arm switch that contacts the belt when you start the dryer. Move the lever arm. Do you hear a click? if not your have a bad starter switch.

Nov 30, 2014 | Dryers

1 Answer

No display on some of the cycles,whens set on cycle that timer lights up and i push start button, the dryer turns off


Start Switch

A faulty start switch will disable the dryer. To test the switch, access will have to be made within the control panel. Locate the start switch inside the control console. It will have two or three wires connected to it. Remove the wires by pulling at the connectors and taking them off the terminals.

Using a volt-ohm meter, test the terminals on the switch. Set the meter to "RX1" and touch a probe to each terminal. A reading of infinity should be seen. Next, while still holding the probes on the terminals, press the start switch. A reading of zero should be present.

If the switch does not pass either test, replace the switch with a new one.
Door Switch

If the door switch is faulty, the dryer will not run. To access the door switch, the top cover of the dryer must be removed. After the top is removed, open the dryer door and remove the two screws that hold the door switch on the dryer. Reach inside the dryer and remove the two wires off the door switch terminals and unsnap the door switch from the plastic mounting plate.

Set the ohm-meter to RX1 and touch each terminal with a probe. A reading of infinity should be seen. While still holding the terminal and probes together press the switch button. The reading should now be at zero.

Failure of either of those tests means the door switch needs to be replaced.
Drive Motor

The main drive motor could be faulty as well. It is located on the between the drum and the inside of the cabinet. Refer to the owners' manual for front cabinet removal and removal of the drum. To test the motor, disconnect the green ground wire and also the wiring harness from the motor.

Have the volt-ohm meter set to RX1. Place one probe on the white wire terminal and one on the brown wire terminal. A reading of between 28 and 40 ohms should be read. Next place probes on the white terminal and the blue terminal. This reading should be between 25 and 40 ohms. Finally place the probes on blue terminal and the brown terminal. The reading should now be between 58 and 70 ohms. Failure on any of those tests will require that the motor be replaced.

Jan 09, 2013 | Whirlpool Duet 7.0 Cu. Ft. Super Capacity...

1 Answer

I was out of town, came back, dryer will not start, no electricity going into the dryer but fuse is fine and plugged


You said fuse was fine do you mean your house fuse? Or do you have a breaker. Breakers do go bad and will reset but not have any elect flow thru them can be cked with a volt meter. Also use a volt meter on the voltage at the dryer. The easiest way is to remove the screw holding the shield over where the dryer wire enters the dryer. Make sure you have 220 volts across the two outside wires outside wires to center wire will show 110 v each. If you have voltage your door switch is bad or your motor switch which is mounted on the electric motor beside the motor pully you can ck the door switch with a ohm meter after you remove it. you can access the door switch by popping the top of the dryer loose first remove the screws at the dryer cleanout vent if it is on top if it is inside the dryer when you open the door its fine. The door switch is located on the top inside front of the door area. it is a on off switch only if it goes bad nothing works. You will need an ohm meter to ck it you can pickup one from any hardware store. Get a cheap one it will work fine. Read the directions with it. And respect electricity...

Aug 08, 2010 | Kenmore Elite HE4 Electric Dryer

1 Answer

My Admiral LNC8764A71 gas dryer is dead. I replaced the thermal fuse but that didn't work. I reset my circuit breaker and the unit is still dead. The light inside the drum is not coming on, I think that...


First a simple check.

As you just open or just close the door do you hear a click? If the door switch is stuck in the open position the light will always be on and the dryer will not start. Item 8 (kit)

http://www.appliancepartspros.com/partsearch/frame_diagram.aspx?diagram_id=678084&pkw_=basket&model_id=46747&NewWindow=1


Also check the belt safety switch back by the motor. If the belt is worn or the switch is out of adjustment same result... no start. (yours may not have this switch..... )

The start circuit is from the timer to the start switch to the door switch to the motor switch. All form an interlock circuit and each must be functioning for the dryer to start.

On a gas dryer this expensive thermostat can also cause the problem....

http://www.appliancepartspros.com/part_details.aspx?part_id=4055834&rdr=%2fpartsearch%2fmodel.aspx%3fmodel_id%3d46747%26diagram_id%3d680266

CHECK it with a meter... it should read like a solid wire. I.e Continuity. Make sure to test it...

There are 2 thermal fuses...

http://www.repairclinic.com/SSPartDetail.aspx?s=t-LNC8764A71-%3d%3dec278i3344&PartID=3344

This should get you going.

After that the only other possibilites are the timer and the motor / motor switch.

Thanks for using FixYa.

Kelly

Mar 01, 2010 | Maytag Dryers

1 Answer

Kenmore electric dryer model number 86860100 dryer not heating.....cleaned out vents not the problem....everything else seems to work.. I had seen in the past it glow in back of the dryer so I turned out...


hello there:
Testing with an ohm meter checking on a dryer....
These are the places that pass voltage to the heater elements on an electric dryer. In order to check a dryer for no heat, here is a list of places to check. Remember to always unplug the appliance before starting testing with an ohm meter. Always remove wires from the part you are testing with an ohm meter ( write down what goes where first before removing any wires ).
Meter testing and usage tips.
1. Power supply-check power supply at terminal block where cord enters the dryer. Should read 240V. If you read 240V here, tested with a volt meter, unplug dryer and test components with ohm meter.
2. Thermostats-Cycle and safety thermostats-read them with an ohm meter. Should show continuity . How common thermostats work.
3.Timer-The timer has a set of contacts that pass voltage to the heaters. If you can not determine by wiring picture what they are, check across the two terminals with the largest wires on them. The heater wires are almost twice as large as the others. You should read continuity with timer in heat mode.
4. Thermal fuses-In recent years the makers of dryers are using thermal fuses to let you know something is wrong with your dryer. They are generally non resetting and have to be replaced. The thermal fuses are located on the heater element housing and should read continuity if read with an ohm meter. Most blown thermal fuses are the result of vent/air flow problems or a grounded heating element.
5. Selector Switches-Read the wiring picture and determine which switch is closed. You should read continuity across closed switches.
6. Safety Switch on Motor-There is a safety switch on motor to insure that heaters can not come on unless motor is running. It is normally open when the motor is idle/not running, and closes when motor runs. In order to check with an ohm meter, remove the two large wires on motor switch and make them electrically safe. Tape them. Plug the dryer in and start motor. Check continuity across the terminals on the motor switch you removed the heavy wires from. If it is ok you should read continuity. Remember that the smaller wires in a dryer carry the 120V and the large wires carry 240V. There is no voltage on these two terminals with wires removed. It is ok to test with ohm meter.
7. Heat elements-Test heater element with an ohm meter. You will read continuity across a good element 8-12 OHMS

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1 Answer

The dryer is not heating


Hello there here is a list of things to check
Testing with an ohm meter checking on a dryer....
These are the places that pass voltage to the heater elements on an electric dryer. In order to check a dryer for no heat, here is a list of places to check. Remember to always unplug the appliance before starting testing with an ohm meter. Always remove wires from the part you are testing with an ohm meter ( write down what goes where first before removing any wires ).
Meter testing and usage tips.
1. Power supply-check power supply at terminal block where cord enters the dryer. Should read 240V. If you read 240V here, tested with a volt meter, unplug dryer and test components with ohm meter.
2. Thermostats-Cycle and safety thermostats-read them with an ohm meter. Should show continuity . How common thermostats work.
3.Timer-The timer has a set of contacts that pass voltage to the heaters. If you can not determine by wiring picture what they are, check across the two terminals with the largest wires on them. The heater wires are almost twice as large as the others. You should read continuity with timer in heat mode.
4. Thermal fuses-In recent years the makers of dryers are using thermal fuses to let you know something is wrong with your dryer. They are generally non resetting and have to be replaced. The thermal fuses are located on the heater element housing and should read continuity if read with an ohm meter. Most blown thermal fuses are the result of vent/air flow problems or a grounded heating element.
5. Selector Switches-Read the wiring picture and determine which switch is closed. You should read continuity across closed switches.
6. Safety Switch on Motor-There is a safety switch on motor to insure that heaters can not come on unless motor is running. It is normally open when the motor is idle/not running, and closes when motor runs. In order to check with an ohm meter, remove the two large wires on motor switch and make them electrically safe. Tape them. Plug the dryer in and start motor. Check continuity across the terminals on the motor switch you removed the heavy wires from. If it is ok you should read continuity. Remember that the smaller wires in a dryer carry the 120V and the large wires carry 240V. There is no voltage on these two terminals with wires removed. It is ok to test with ohm meter.
7. Heat elements-Test heater element with an ohm meter. You will read continuity across a good element ( 8-12 ohms is an average element ).
But darn it, I don't have a Ohm Meter....
To check the thermal fuse - You can bypass the thermal fuse (just connect the 2 wires together) for testing purposes only. To check the thermal cut-out - You can bypass the thermal cut-out (just connect the 2 wires together) for testing purposes only.
To check the thermostats for continuity - - You can bypass the thermostat (just connect the 2 wires together) for testing purposes only.
To check the Element: Try removing element and physically looking at the element wire for a break in the wire.

How to take apart information for GE style dryers
How to take apart information for Inglis - Whirlpool - Kenmore dryers
How to take apart information for Maytag dryers
How to take apart information for Frigidaire and White Westinghouse


Jan 09, 2010 | Dryers

1 Answer

Whirlpool Model LER7646AWO Drum doesn't turn. Timer works, and start button "hums" when pushed. Motor shaft turns freely in either direction. Belt is in good shape.


Unplug the dryer. Open the control console.Mark and remove the wires from the start switch.
Using a volt meter set for continuity,touch meter leads to R1 and R2 while pushing the switch. No reading is a bad switch.
Touch meter leads to R2 and CT1. No reading is a bad switch.
If the switch checks out good the start windings in the motor are bad.

Dec 22, 2009 | Whirlpool Dryers

1 Answer

Kitchenaid superba dryer won't heat Where is the heater fuse located?


Q - My electric dryer runs but will not heat, what could stop my dryer from heating?
A - Things that could stop a electric dryer from heating:
- house fuse or breaker ( needs two of them ), heating element, burnt wire, thermostat(s), thermal fuse ( not all models ), motor heat switch, timer, selector switch, burnt power cord/plug.
A ohm meter test for these parts is here.
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.
Meter testing and usage tips.
1. Power supply-check power supply at terminal block where cord enters the dryer. Should read 240V. If you read 240V here, tested with a volt meter, unplug dryer and test components with ohm meter.
2. Thermostats-Cycle and safety thermostats-read them with an ohm meter. Should show continuity . How common thermostats work.
3.Timer-The timer has a set of contacts that pass voltage to the heaters. If you can not determine by wiring picture what they are, check across the two terminals with the largest wires on them. The heater wires are almost twice as large as the others. You should read continuity with timer in heat mode.
4. Thermal fuses-In recent years the makers of dryers are using thermal fuses to let you know something is wrong with your dryer. They are generally non resetting and have to be replaced. The thermal fuses are located on the heater element housing and should read continuity if read with an ohm meter. Most blown thermal fuses are the result of vent/air flow problems or a grounded heating element.
5. Selector Switches-Read the wiring picture and determine which switch is closed. You should read continuity across closed switches.
6. Safety Switch on Motor-There is a safety switch on motor to insure that heaters can not come on unless motor is running. It is normally open when the motor is idle/not running, and closes when motor runs. In order to check with an ohm meter, remove the two large wires on motor switch and make them electrically safe. Tape them. Plug the dryer in and start motor. Check continuity across the terminals on the motor switch you removed the heavy wires from. If it is ok you should read continuity. Remember that the smaller wires in a dryer carry the 120V and the large wires carry 240V. There is no voltage on these two terminals with wires removed. It is ok to test with ohm meter.
7. Heat elements-Test heater element with an ohm meter. You will read continuityacross a good element ( 8-12 ohms is an average element ).
But darn it, I don't have a Ohm Meter....
To check the thermal fuse  - You can bypass the thermal fuse (just connect the 2 wires together) for testing purposes only.To check the thermal cut-out  - You can bypass the thermal cut-out (just connect the 2 wires together) for testing purposes only.
To check the thermostats for continuity -  - You can bypass the thermostat (just connect the 2 wires together) for testing purposes only.
To check the Element: Try removing element and physically looking at the element wire for a break in the wire.

How to take apart information for GE style dryers
How to take apart information for Inglis - Whirlpool - Kenmore dryers
How to take apart information for Maytag dryers
How to take apart information for Frigidaire and White Westinghouse
How to take apart information for Admiral, Norge, Magic Chef and Crosley

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