Question about GE Profile Harmony DPGT750EC Electric Dryer

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Blower motor inop. good power going to the motor. where can I get a maintenance manual? also looking for a blower motor part number and where i can order one.

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  • Bob Small Feb 19, 2009

    I have the same problem. Really, intermittant blowing.



    The thing to try FIRST is to check for error codes:

    Turn on the Dryer, If not on the home screen, press 'home' on key panel. press and hold "my cycles" and "back" together for three (3) seconds. If there are any codes it will say "Errors Recorded"



    One comment I found elsewhere was to unplug the dryer and let the compuer in it 'reset' - I think after 3 minutes or so - but I let mine go 10. Plug it in and see...

  • karam4kren Mar 08, 2009

    Same problem, Unpluged dryer to remove top and scematic, Found this site on the web, pluged back in after about 10 min and now works. Computer must have reset.

  • basisgod Mar 09, 2009

    blower does not work,no heat. the sears service man put in new thermostats and new board, still nothing. 

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Posted on Mar 04, 2009

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Dryer will not start. Heater element comes on full. Door switch ok. Drum will turn manually.


Not sure about your unit but I believe that it has a thermal fuse (start fuse) located near the blower wheel,ohm it out to see if its good.

Jul 31, 2015 | Dryers

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

I dropped a pen down the lint catcher. When I started it, there was a grinding sound and then it stopped.


Hi kjbrayton...
ALWAYS UNPLUG THE DRYER BEFORE YOU DO ANY WORK ON IT.
The pen is being ground up by the blower fan.
It has probably jammed your fan blades or is going to shear the blades off if it is not removed.
Remove the back of the dryer and look for the blower tube/ blower housing...there will be a few screws to remove then remove the tin piece and it will expose the blower motor wheel.
Remove the pen, reassemble and your good to go.
FREE ANSWER...Please Rate Me.

May 14, 2011 | Dryers

1 Answer

Our Whirlpool dryer model #LER7646AQ0 will not start. Door switch checks for power with a power tester. Put new start switch in and still doesn't work. Do I need to use Ohm tester or will power tester...


This problem is commonly caused by a blown thermal fuse located on the blower housing. The thermal fuse is wired in series with the motor and the motor activates a centrifugal switch for the heating element when it runs. These setup makes the dryer fail to start and the heating element not to turn on if the thermal fuse is blown. The dryer seems to no work at all. Verify the condition of the thermal fuse by bypassing it and starting the dryer.

Disconnect power then access and bypass the thermal fuse on the blower housing. The blower housing is located on the rear left bottom of the dryer cabinet. Remove the rear panel to access the blower housing and so the thermal fuse.

jahn27_41.jpg

Bypass the thermal fuse by disconnecting the wires and connecting them together. Insulate them properly and plug the dryer back in. The thermal fuse is indeed blown and needs to be replaced along with the cycling thermostat if the dryer starts. Do not use the dryer with the thermal fuse bypassed due to fire hazards.


The thermal fuse and cycling thermostat are part numbers 3392519 and 3387134, respectively.

Jan 11, 2011 | Dryers

1 Answer

Kenmore 80 series dryer heats fine had power but stopped during drying process now wont even turn on the heat was hotter than normal only ran about a min and when i start it made a roaring sound when...


could be a few things going on here....first we need to get unit back up and going ...there is a thermal fuse on this unit ...you need to gain access to inside and you will see a white plastic looking limit device this is called a high heat thermal cutoff.. it has 2 wires going to it and yiu need to test it with a meter if it is opened then it is bad... once you get unit going check the blower assembly make sure wheel is free turning and blower wheel not damaged/also look at belt assembly it is possible the belt has failed but the blower is attached to motor so it should still be exhausting...also do the routine checks such as look at the venting for obstructions (bird nest in outside outlet,excess lint build up ,and kinked vent hose.) hope this helps you out good luck

Jan 08, 2011 | Kenmore 700 6972 Dryer

2 Answers

Maytag Bravos dryer heats but does not blow air out the vent.


Since you did not provide a model number I picked a similar model for reference using this model number: MDE5721TQO (there are at least 40 different model numbers but the blowers are all the same) You blower is driven directly by the motor so unless the blower itself has come apart or the drive spline in the blower has failed in some way you more than likely have a major build up of lint in your dryer.

You can look here to see the blower location http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5133558&diagram_id=1301439#d1301439

You can turn the motor by hand and see if the blower is turning by losening the housing screws for the blower while using a flashlight. If the blower is turning then you need to find out where the blockage of lint has built up and remove it. I would startt around the lint filter. NOTE The drum will also turn.if you rotate the motor pulley. Just make sure the unit is unplugged while you attempt this. If you do locate the blockage I have found that a well bent into a U shaped METAL coat hanger works well. Do NOT poke any sharp objects into the air ducting areas of your dryer while trying to find any blockages and avoid the heating element area with anything metal or sharp. A vacuum crevice tool works great during this task. Good luck and I do hope you are able to locate the problem based on the information here.

Jan 11, 2010 | Maytag Bravos 7.0 Cu. Ft. Electric Dryer

2 Answers

Not drying clothes completely


Check for a build up of lint in the exhaust duct, an excessive build up will block air flow.

Also 220VAC electric dryers use different legs of the electrical supply. (two 110VAC legs tied via a common neutral make 220 VAC) One 110VAC leg runs the motor and controls while the other supplies power to the heater.

It is possible that one side of the 220VAC has a blown fuse and is not supplying power to the heater element.

Other possibilities:

Blown out heater - requires replacement

There is a safety switch attached to the shaft of the motor. THis switch relys on centrifical force to close and is intened to kill the power to the heater if the motor and its attached blower stop turning.

If the motor is not turning fast enough of the switch is worn then it is possible that power to the heater circuit is not being completed. It doesn't take must of a speed reduction to cause a problem. Lint build up on the drum bearings can cause enough drag to slow the drum slightly. Combined with a worn/dirty switch and the switch fails to operate.

Finally there is a blower attached to the motor shaft. The blower is made of plastic and somtimes the blower comes loose on the shaft. Usually you hear a rattling sound or sounds after the dryer drum stops as the loose spinning blower spins to a stop. ( A tight blower stops with the dryer drum) A loose blower doesn't move enough air and causes your dryer to run longer.

Jul 19, 2009 | Estate Dryers

1 Answer

Blower wheel loose on shaft of motor on maytag dryer


GO TO www.repairclinic.com and enter the model number look for your blower wheel item 1245880 it looks as if there is a flat side on it. this may help ya Good luck

Apr 09, 2009 | Dryers

2 Answers

Dryer will not move but power good


Motor If the dryer motor only hums when you press the Start button, the motor may be burned out. Here's how to test the dryer motor:

  • Remove the belt.

  • Check for obstructions in the blower fan housing.

  • Manually rotate the shaft of the motor.

If the motor is very stiff, or impossible to rotate manually, and the blower fan housing is clear, you need to replace the motor.

If the motor rotates freely, run the motor momentarily with the belt removed and the blower in place. If the motor runs fine with the belt removed, there may be a problem with the idler pulley or the clothes drum. Try to rotate the drum by hand. If it is very difficult to move, correct any problem with the rollers or pulley, and then reassemble the dryer and try it again.

If the motor hums but doesn't rotate on its own even with the belt removed--yet you can turn it freely by hand--you usually need to replace the motor or the motor start capacitor.

Oct 05, 2008 | Samsung 7.3 Cu. Ft. Super Capacity...

1 Answer

INTERMITTENT DRYING


Hi Dave,
I have recently had the pleasure of dealing with a couple of these and let me tell ya they can be a problem to trouble shoot. In most cases from my studies of this machine you can have one of two problems. One the blower motor is going bad and it will stop when it gets hot. When the blower motor stops the heat shuts off. Then when the blower motor cools enough it will start back. Unfortunatley it is usually to far through the cycle to still get the cloths dry. Possibility two is the blower motor controller. It is less expensive than the blower motor. I would recommend you replace the controller and see if the problem is solved. If the problem remains you will need the blower motor. I do have both parts on hand and I can give you prices and part numbers. Just send me your model and I will be glad to help.. Thanks and I hope you get back to wearing dry cloths soon.:-P Mike
Mca0824@aol.com

Apr 30, 2008 | GE Profile Harmony DPGT750EC Electric...

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