How many sensors to test dryer door switch, one or two?

Ok, when I open the door to test the dryer switch, there is a button that the door pushes when it's closed and there is also a slot where the" male" part of the latch goes into the "female"part. The "male part being on the door and "female" attached to face of dryer. Do both have sensors or just the push button? Which when I push , seems to click.,

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Greg Smith

Contributor 8 Answers
Posted on Aug 16, 2017

Greg Smith

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The female is the switch! you can pop the top off and check with electric tester on ohms, make sure you unplug the drye
check the breaker make sure you have 220 volts a in the outlet !

5 Related Answers

john gagnon

943 Answers
Posted on Dec 16, 2008

SOURCE: won't start

Hi check the thermal fuse at the rear of the dryer It looks like this

Carmen Mikulic

415 Answers
Posted on Dec 17, 2008

SOURCE: Maytag Epic dryer won't start

hi there,

if it beeps it means that the keypad is sending a signal to the control board to start it but it doesn't. since the control board sends a signal to the motor to start the dryer to spin. does the dryer hum?

Anonymous

334 Answers
Posted on Oct 20, 2009

SOURCE: my maytag dryer heating element gets hot but motor will not run

Sounds like you have something shorted out.

The element issue could be a contact fused shut.
With both problems I would be looking for wires melted together, or a relay/sequencer welded shut melted etc.

You do have a potential fire hazzard here. If after removing the panel you cannot locate the problem, do not run the unit.

Android Man

278 Answers
Posted on Feb 15, 2011

SOURCE: Hello all, My MDE7500AYW Maytag Neptune

looking at schematics looks like you main control board is the faulty part. you have done a very good job of tracing the voltages from the source. been that all voltages are present and door switch is good the part left is the control board. here is the part# 33002886. you can find it at sears website or service center.

good luck to you.

Anonymous

43501 Answers
Posted on May 20, 2011

SOURCE: when we push the button

Hi,

There can be many reasons why your dryer will not start or turn...

The most common causes are the belt breaking or jumping off, or the motor goingbad...

Here are a couple of tips that I wrote will help you to figure out why yourdryer will not run...

Dryer Repair - The Dryer is not Turning

Dryer Repair - The dryer will not start

heatman101

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0helpful

2answers

Dryer wont start no errors

Electric dryer no start does nothing
Check dryer Terminal block prongs both outside prongs should give combined 220, and 110 each if u check 1 outside & 1 center (ground) prong. Also check house electrical outlet for full voltage.

CHECK THERMAL SHUT OFF THERMOSTAT USUALLY LOCATED ON THE BLOWER. for OHMS or resistance with a meter. Should show a closed circuit. Ohms WHEN THIS FUSE BLOWS IT WILL SHUT DOWN EVERYTHING.

NEXT Test the PUSH start switch with meter for OHMS. Should show OHMS when pushed in or on start, and no ohms or infinity when in off position.

If you hear a humming/clicking sound from motor area you more than likely have a bad motor.
Try this test out to see if u have weak windings or relay/capacitor on motor.
Open the dryer door and turn by hand the drum while machine is on ON position. And you or someone else presses the door engagement switch in. If it starts up then u have bad windings
Another thing to checkis the belt safety switch. With a multi meter.
Especially if u just replaced the belt. The belt safety switch is attached to the Tensioner and motor. IT LOOKS LIKE A DOOR SWITCH SOMEWHAT a little black pc of plastic with 2 prongs going into it. Sits at bottom of motor. Under the Tensioner. Attach meter clips to the 2 prongs on switch, Then when the little white push button is pressed in it should show continuity and none when released.

Lastly check ur DOOR SWITCH for continuity with a meter when the button is pushed in the (on/Door closed position,) it may have gone bad.

https://www.youtube.com/watch?v=MhVUEhngZMg

https://www.youtube.com/watch?v=9xD7lCXJ0ZM

https://www.youtube.com/watch?v=sTRP6kHqAFs

Hey GOD IS GOOD !!!! WHICH IS WHY MY ADVICE IS FREE

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Mar 15, 2014 • Bosch Nexxt WTMC 6500 Gas Dryer

tip

Whirlpool Dryer Various Test Procedures - Part 3

TEST #5 Moisture Sensor
NOTE: This test is started with the machine completely assembled.This test is performed when an automatic cycle
stops too soon, or runs much longer than expected. NOTE: Dryer will shut down automatically after 2-1/2 hours.
The following items are part of this system: Harness/connection, Metal sensor strips, Machine control electronics
1. Activate the diagnostic test mode and advance past saved fault codes.
2. Open the dryer door. If a continuous beep tone is heard and an alphanumeric number is displayed on the console as soon as the door is opened, a short circuit exists in the moisture sensor system. If this doesn’t happen, go to step 3. Otherwise, go to step 4. NOTE: Over drying may be caused by a short circuit in the sensor system.
3. Locate the two metal sensor strips on the inside of the dryer. Bridge these strips with a wet cloth or finger.
If a continuous beep tone is heard and a software revision number is displayed on the console, the sensor passes the test. Go to step 8. If not, continue with step 4.
4. Access the moisture sensor wires: Remove the lint screen. Remove the two wires holding the lint screen to the top. Remove the four screws from bottom of the duct in rear. Remove the duct from the dryer to access
the moisture sensor.Disconnect the sensor connector.
5. Access the machine control electronics. Remove the connector P13 from the circuit board. Check the main
harness connections between the sensor connector and machine control for a short or open circuit. Replace the main harness if necessary. If the harness is okay, continue with step 6.
6. Measure the resistance across the outermost contacts of the sensor connector that includes the two MOVs. Sensor Harness with MOVs (Metal Oxide Varistors) Sensor Connector Sensor Blower Housing Disconnect sensor connector. If a small resistance is measured, check for debris across moisture strips inside of the drum; clean if debris is present. If debris is not present, replace sensor harness with MOVs. Otherwise go to step 7.
7. Measure the resistance across each of the outermost contacts and the center terminal (ground connection).
If a resistance less than infinity is measured, replace the sensor harness with MOVs.
8. If moisture sensor diagnostic test passes, check the thermistor: Perform TEST #4a. If the problem persists after replacing the moisture sensor, harness with MOVs and thermistor, replace the machine control electronics.

TEST #6 Buttons and Indicators
This test is performed when any of the following situations occurs during the Console Buttons and Indicators Diagnostic Test:
None of the indicators light up No beep sound is heard
Some buttons do not light indicators None of the indicators light up:
1. See Diagnostic Guide/Before Servicing.
2. Perform TEST #1 to verify supply connections.
3. Perform TEST #2.
4. Visually check that the P5 connector is inserted all the way into the machine control electronics.
5. Visually check the user interface assembly connections.
6. If both visual checks pass, replace the user interface assembly.
7. Plug in dryer or reconnect power.
8. Perform the Console Buttons and Indicators Diagnostic test to verify repair.
9. If indicators still do not light, the machine control electronics has failed: Unplug dryer or disconnect power.
Replace the machine control electronics. Plug in dryer or reconnect power. Perform the Console Buttons and Indicators Diagnostic test to verify repair.
No beep sound is heard:
1. Visually check that the P5 connector is inserted all the way into the machine control electronics. If visual check passes, replace the user interface assembly.
2. Plug in dryer or reconnect power.
3. Perform the Console Buttons and Indicators Diagnostic test to verify repair.
4. If replacing the user interface assembly failed: Unplug dryer or disconnect power. Replace the machine control electronics. Plug in dryer or reconnect power. Perform the Console Buttons and Indicators Diagnostic test to verify repair.
Some buttons do not light indicators:
1. Visually check the user interface assembly connections. If visual check passes, replace the user interface assembly.
2. Plug in dryer or reconnect power.
3. Perform the Console Buttons and Indicators Diagnostics test to verify repair.

TEST #7 Door Switch
Activate the diagnostic test mode and perform the Door Switch Diagnostic test.
Functionality is verified with a beep each time the door is closed and opened, and a number and letter appears in the display (i.e., 0E, 09). If any of the above conditions are not met: Unplug dryer or disconnect power.
Check that the wires between the door switch and machine control electronics are connected. If the connections are OK, replace the door switch assembly and retest. If the door switch assembly has been replaced and dryer still does not start, replace the machine control electronics.

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on Apr 11, 2009 • Whirlpool LER4634J Electric Dryer

1helpful

2answers

When hitting start button, it sometimes buzzes, but fails to start. Can sometimes wait for a little while and try again, and it starts. When it buzzes, it will only buzz for a few seconds and then nothing.

it is either the door switch or start switch, this website will show you how to test both, Good Luck Tim:

http://www.partselect.com/dryer+dryer-wont-start+repair.htm

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Apr 16, 2011 • Whirlpool LER4634J Electric Dryer

1helpful

1answer

Nothing happens when I push the start button to dry a load of clothes. I have checked the circuit breakers and the plug in and the door is securely closed.

There is a micro switch on the door to stop the dryer when you open the door during normal operation. Unplug the dryer and locate the switch by visually inspecting around were the door contacts the dryer and identify if you can remove the switch without opening the dryer top. If you cannot remove the switch from the front try to access the switch by lifting the top of the dryer cover off. Unplug one of the wires and touch the wire connector you removed to the other connector on the switch using electrical tape to insulate and hold it in place. Plug the dryer in and see if it works. If it does you need to order and replace the switch. If it does not the start switch could be bad and you will need to test it with an Ohm Meter which will be the safest way to test the switch.

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Jan 21, 2010 • Whirlpool LEB6200 Electric Dryer

0helpful

1answer

Kenmore mod 110 87870110 gas dryer- at first push

the vent could be plugged and unit is going into thermal overheat if it works in timed dry properly then the moistier sensor is faulty.

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Dec 01, 2009 • Kenmore Dryers

0helpful

1answer

Its plug in..when you push the button its never run

check the door pressure switch to see if its working. you can use a ohm meter for this test. you can also check by removing and inspecting the switch wires for lose fit. if the door pressure switch checks out ok, replace the start switch.

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May 29, 2009 • Whirlpool Dryers

1helpful

1answer

Must hold start button to run. no heat

disconnect power and remove lid. Test the door switch w a volt meter do so opening and closing the door not pushing switch if circuit stays open try pushing switch with finger. If pushing closes circuit then adjust switch.If circuit stays open replace switch. If switch operates with no problems then it is the motor. Check all connections and vacuum lint from motor
How old is this dryer?

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Dec 30, 2008 • Kenmore Dryers

1helpful

1answer

Dryer stpped working

with power disconnected
if any wire disconnected before any test, reconnect & test dryer, reconnect wires after each test
disconnect wires from start button and test, conduct when pushed, no conduct when release
if fail replace start button test dryer
disconnect wires from door switch and test, conduct when pushed, no conduct when release
if fail replace door switch test dryer
follow leads from start button to relay(relay is first device connected to start button), and make sure all wires connected at both ends. If any wires disconnected, test dryer
locate thermostats and thermal fuses on fan housing and ducts
individually disconnect wires from each and test. conduct good, no conduct fail
replace any failed thermal fuse or thermostat test dryer
if all prior test OK
replace relay, test dryer

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Oct 10, 2008 • Magic Chef CYE4000AWW Electric Dryer

0helpful

1answer

Kenmore Dryer repair

Check the thermal fuse it in on the dryer exh duct you have to remove the back first it is white looks like a bullet you can jumper it and test the unit if you dont have a meter

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Sep 05, 2008 • Kenmore Dryers

0helpful

1answer

Whirlpool Calypso Dryer Electrical Problem

Problem resolved. Although the membrane control panel passed the diagnostic test, it was defective. Probably a low voltage conductor went to ground, allowing the buttons to operate but throwing the control board into error mode.

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Oct 08, 2007 • Dryers

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