Question about Whirlpool LER4634J Electric Dryer

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Lights on but the dryer wont turn on

Jumped the wires on main switch to test switch, still wont start

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You more than likely have a bad door switch.

Posted on Dec 19, 2008

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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...

Tip

Whirlpool Dryer Various Test Procedures - Part 1


TEST #1 Supply Connections
This test should only be done after confirming proper voltage at the outlet.
1. Unplug dryer or disconnect power.
2. Remove the cover plate from the back of the dryer.
3. Check that the power cord is firmly connected to the dryer’s wire harness.
4. Access the machine control electronics without disconnecting any wiring to the control board.
5. With an ohmmeter, check for continuity between the neutral (N) terminal of the plug and P8-3 (white wire) on the machine control board. If there is continuity, go to step 6. If there is no continuity, disconnect the white wire of the harness from the power cord. Test the continuity of the power cord neutral wire . If an open circuit is found,
replace the power cord. Otherwise, go to step 6.
6. In a similar way, check the continuity between the L1 terminal of the plug and P9- 2 (black wire) on the control board. If there is continuity, go to step 8. If there is no continuity, check the continuity of the power cord for power cord’s L1 wire. If an open circuit is found, replace the power cord. Otherwise, go to step 7.
7. Replace the main harness.
8. Visually check that the P5 connector is inserted all the way into the machine control electronics.
9. Visually check that the user interface assembly is properly inserted into the front console.
10. If both visual checks pass, replace the user interface assembly.
11. Plug in dryer or reconnect power.
12. Perform the Console Buttons and Indicators Diagnostic test to verify repair.
13. 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.

TEST #2 Machine Control Power Check
This test is used to determine if power is present at the machine control electronics.
NOTE: The drum light is controlled by the machine control on all models.
1. Plug in dryer or reconnect power.
2. Open the door.If the drum light illuminates, then power is present at the machine control, and it is functional. Go to TEST #6. If the drum light fails to illuminate, do not assume the machine control electronics needs replacement. Several conditions may cause the drum light not to illuminate, including a bad bulb. If the drum light does not illuminate, go to TEST #1.

TEST #3 Drive Motor Circuit
This test will check the wiring to the motor and the motor itself. The following items are part of this motor system:
Harness/connection Belt/belt switch Drive motor Centrifugal switch Door switch Machine control electronics
1. Unplug dryer or disconnect power.
2. Access the machine control electronics and measure the resistance across P8-4 and P9-1.
If resistance across P8-4 and P9-1 is in the range of 1 to 6 ohms, replace the machine control electronics.
Otherwise, go to step 3.
3. Check the wiring and components in the path between these measurement points by referring to the appropriate wiring diagram and strip circuit in Section 7.
4. Check the belt switch and drive motor. Access the belt switch and drive motor by removing the front panel/drum assembly. Slowly remove the drum belt from the spring-loaded belt switch tension pulley, gently letting the belt pulley down.
5. Remove the white connector from the drive motor switch.
6. Check for the resistance values of the motor’s Main and Start winding coils. NOTE: Main and Start winding coils must be checked at the motor.WINDING RESISTANCE ω CONTACT POINTS OF MEASUREMENT
MAIN 1.4–2.6 Blue wire in back at pin 4 and bare copper wire on pin 5 of black drive motor switch
START 1.4–2.8 Blue wire in back at pin 4 and bare copper wire on pin 3 of black drive motor switch. If the resistance at the motor is correct, there is an open circuit between the motor and machine control electronics.
Check for failed belt switch. If the Start winding resistance is much greater than 4 ohms, replace the motor.
7. Check the belt switch by measuring resistance between the two blue wires while pushing up the belt switch tension pulley.If the resistance reading goes from infinity to a few ohms as pulley arm closes the switch, belt switch is OK. If not, replace the belt switch. If belt switch is OK and there is still an open circuit, check and repair the wiring harness.
8. Door switch problems can be uncovered in the Door Switch Diagnostic Test; however, if this was not done, the following can be done without applying power to the dryer. Connect an ohmmeter across P8-3 (neutral, white wire) and P8-4 (door, tan wire).With the door properly closed, the ohmmeter should indicate a closed circuit
(0–2 ohms). If not, replace the door switch assembly.

on Apr 11, 2009 | Whirlpool LER4634J Electric Dryer

1 Answer

I have a Kenmore 500 model # 110.68532700, sometimes it would work and run for about ten minutes then shut off, after about 10-15 mins you could run it again, sometime it would run fine tell the clothes...


see this possibles causes:
see the diagram attached
1) Test the main start switch for open 2) Test the switch door for open 3) Test any coonector for loose wires, or broken wires, or burn .4) Motor defective repair

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Jun 09, 2012 | Kenmore 500 6952 Dryer

1 Answer

Power to outlet dryer dosent run?


hello click this link http://www.youtube.com/user/RepairClinic?v=1obHbwPfw9s&feature=pyv&ad=5644620461&kw=dryer%20thermal%20fuse this is a video on how to replace the thermal fuse in a maytag dryer which is one of the main reasons why a dryer when there is power to the outlet wont run. You can test the fuse by performing a continuity test with a multimeter or if you do not have a mulitmeter you can briefly connect the two wires that go to the fuse and then press the start button. You will also have to jump the door switch as well in order to get the unit to start. You would do this by taking a piece of wire and stripping both ends and connecting from one connection to the other. If you have any further questions or find that the thermal fuse is functioning properly message me back for further diagnosis. And if you do require further diagnosis please message me back the model number of your unit as well. Thanks again
Rick

Sep 24, 2011 | Maytag Dryers

1 Answer

Electric dryer wont start. Door switch turns light on/off. Timer is heard ticking. Press start... nothing. Tried bypassing all parts in the back.. Thermostat, thermal fuse... still nothing. Could it...


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

Aug 27, 2011 | Kenmore 62602 Electric Dryer

1 Answer

My whirlpool elec dryer will not turn on. I tested the door switch which is working properly. we turned the dryer on and it started than stopped and wont turn on again.


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

Apr 16, 2011 | Whirlpool Dryers

1 Answer

Dryer doesn't turn on. Replaced the power switch


Power switch? Do you mean push to start switch? To see if you have a bad push to start 1st unplug. Open back top panel. Only do this test if you hae two wires going to the push to start switch. Wear gloves so you dont kill yourself. seriously. If you do have two wire then disconnect from push to start. Make sure they are not touching anything!!! Plug machine in. Tunr timer to 60 minutes. Touch wire together then pull apart. If machine kick on replace push to start. If not put everything back the way it was. Jump out door switch. If door switch is jump and still dont work then check motor test. Check harness on motor. If has a capacitor need to check with a cap. tester. You need a service manual to test wheather you have a bad motor. The manual will show you how to properly test a motor (each lead has ohms valve and you have to know what they are to test)

Mar 25, 2010 | Whirlpool LEQ7030KQ Electric Dryer

1 Answer

Dryer will not turn on


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 going bad...

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

Dryer Repair - The
Dryer is not Turning

Dryer Repair - The
dryer will not start


heatman101
////////////,.

Mar 04, 2010 | Crosley CDE6000 Electric Dryer

2 Answers

Gas dryer runs but no fame to heat it up


You have a bad thermo switch, unplug, open back of dryer, switches are quarter size round and two wires hooked to them, also on is thin and 2" long sually white with two wires ooked to it. Check these with a tester, just like you test a fuse, from one side to the other. When you find the bad one, jump from one side to the other, plug dryer in and see if it works, it will if switch is bad. Then replace bad one. Do not leave jumped, if dryer overheats it will not shut off and could cause a fire. Jumping is just for test only.

Jul 17, 2009 | Dryers

1 Answer

Kenmore dryer model 64602 wont turn on???


Check the thermal fuse on the rear of the dryer.
Remove the rear panel. The thermal fuse is 1 and 1/2 inches long by 1/2 inch wide. White in color and located just left of the dryer exhaust vent. 2 purple wires. Jump the wires together and start the dryer. If it runs, replace the thermal fuse.

May 25, 2009 | Kenmore 73952 Gas Dryer

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