Question about GE Profile Harmony DPGT750EC Electric Dryer

14 Answers

Dpgt750ec1pl no heat or air

My dryer has no heat or air coming from it.We thought since there was no heat it was the heating unit,that didnt fix it,then we realized that there was no air.WE have checked the everything that the dryer says to check.I ran a lqc test and the dryer said blower 0rpm,heating --,inlet thd 162f ok,outlet thd 63 ok, moisture 4.92v ok,inputv 255 --,memory ok,comm data ok.did a voltage test on thermistor and it was 200.Not sure what else to test or what is wrong.so please any help would be helpful.If there is further testing that can be done let me know.Thanks Rebecca email becca@netzero.com

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  • becca43843 Nov 06, 2008

    Is there anyway to test the blower motor to make sure before I fork out more money.Thanks REbecca

  • becca43843 Nov 06, 2008

    is there anyway to test the blower motor before I forkout more money?Thanks Rebecca

  • becca43843 Nov 06, 2008

    yes we can get to the blower we have the dryer already torn apart with the whole front off.

  • becca43843 Nov 06, 2008

    we have already done the troubleshooting on the dryer,and bought a new heat assembly.

  • becca43843 Nov 08, 2008

    there is no noise coming from it.we are going to have the blower motor tested before we buy a new one.Thanks

  • becca43843 Nov 11, 2008

    I had a electrician test the blower motor and there was nothing wrong with it.What else should be tested?

  • becca43843 Nov 11, 2008

    The heating element is new.We bought it thinking that was the problem.

  • becca43843 Nov 11, 2008

    All of that has been checked.had the blower motor tested,cleaned the vent.Ran lqc test,installed new heating element.The dryer had worked great earlier in the day,and then the last load didnt get hot or dry.And checked the vent and no air coming out of it.There was no noise or anything.

  • becca43843 Nov 20, 2008

    I did a dianostic on the dryer and it said the thermistor and blower and heating element.I have already bought thermistor and heating element didnt fix my problem.somone had told me how to test the blower can somone tell me again

  • becca43843 Dec 16, 2008

    Finally got dryer fixed.After buying new heating assembly,inlet thermistor,paying a tach and him telling me it was a inverter and he gave me model number and said if this didnt work contact GE and get main computer baord which is covered.Well his number for invertor board was main board which cost over 160 and was the computer covered thru Ge.So I fianlly bought the blower motor on ebay and guess what it fixed my problems after spending over 600.So it fixed and I now have a new heating assembly,inlet thermistor,2 main computer boards.I found out that the blower can show 14 ohms and still be bad.Hope this saves somone else from spending so much money.

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14 Answers

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You should be testing the timer/control board to make sure there is nothing wrong there , check the components that control the power to it

Posted on Nov 11, 2008

  • jason Nov 11, 2008

    a sensor near the heating , check that

  • jason Nov 21, 2008

    to test the blower motor you must first know what the voltage is for the motor , don't just hook it up to a 120v outlet , because that motor may not be rated for that and you would blow it for sure! let me know what the rating is on the motor and I'll tell you the best way to test it.



    electech

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  • GE Master
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Sorry for the silly questions but you note that theres no air coming form the machine, is hte motor runnin at all??? bescause if the motor runshte blower will spin. if hte motor not running at all , i would check for a bad thermal fuse, which would also account for a no heat issue

Posted on Nov 11, 2008

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You need a blower for ur dryer

Posted on Nov 11, 2008

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  • GE Master
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The technician normally test the blower motor, by accessing to the part, and energizing the motor, there must be also a fuse or a circuit breaker and the motor wirings, that must be checked.

You can find schematics and parts here, just enter your model number.

Posted on Nov 08, 2008

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  • Master
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Have you taken the unit apart to see if the heating coils is broken? If not, you should do so because there are many reasons for no heat. Let me know how you determined the element bad.

The model number you have submitted to us is incomplete or not correct for your unit. In order for us to provide you accurate information and supply you with the correct manufactures part numbers , we will need the complete model number, serial number and batch or series numbers (if applicable) found on a business card size metal/foil plate.

Posted on Nov 06, 2008

  • mohammed marika thambi
    mohammed marika thambi Nov 09, 2008






    (Click to enlarge)
    Grid is 1 inch square




    Item #


    1089101




    Price

    $134.75



    In Stock?


    Yes






    Motor asm - blower

  • mohammed marika thambi
    mohammed marika thambi Nov 11, 2008

    What is the water level in comparison to the heating element after it
    fills? Also, are you sure the spray arms are actually spinning,
    sometimes a pot handle or the way you load dishes keeps it from
    spinning. Sometimes the pump is not sending enough water up to the
    upper spray arms. Sometimes, the spray arm develops a hole on the
    underside
    remove teh spray arm and then the large cover...underneath this large
    cover is a screen filter. Check this to see if it is blocked with
    debris....Let us know what you find. How deep is the water in the
    machine after the fill cycle stops


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  • Master
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HI

) When this happens, something has interrupted the heat source. Run the dryer for a couple of minutes to see if it gets hot. Be sure you don't have the dial or controls on a non-heat setting, such as "Fluff" or "Wrinkle Control."

2) On an electric dryer, this may mean that the circuit breaker or fuse that controls the power has blown; reset or replace this. Be aware that a dryer may have two breakers or fuses. The motor will run when one works, but the heating element requires both.


3)) Most modern dryers have electronic ignition instead of a pilot light. If yours has electronic ignition and isn't heating, call a qualified repairperson.



Posted on Nov 06, 2008

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Have you checked the heating elements? and the limit switches

Posted on Nov 06, 2008

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  • Master
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Yes you can test the blower motor if you can trace the schematics and find which are the power wires. im assuming your unit is 110 volts. either way. you can unhook those two wires and run a separate wire to them then plug it to a 110 volts outlet. just be careful on handling live wires since they are dangerous and fatal. do it if you are confident enough to handle live 110 volts.

if they are 220 volts ac. i would suggest that you let a knowledgeable person to do the test.

tnx 4 using fixya,

drcool

Posted on Nov 06, 2008

  • francis rivero Nov 11, 2008

    hi,

    have you checked if after you use it and you want to run it again if you are closing the door tight?

    if the door switch is open, it will not run, no air and no heat will happen. please check the door that it is shut off completely and push the start button. the motor should run and you will have heat.

    tnx again 4 using fixya,

    drcool


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The blower wheel, which is usually plastic, may wear out over time. But if it's noisy, it may simply be clogged with lint. Clean the blower and test to see if the dryer is still noisy. If it is, you probably need to replace it.

Good luck..

Posted on Nov 06, 2008

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  • Master
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Hi,

Offhand, I suspect the blower. A remote possibility is the thermal fuse right on the back side of the blower housing.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information. Good luck and kind regards. Thank you for using FixYa.

Posted on Nov 06, 2008

  • Louie  Role
    Louie Role Nov 08, 2008

    Hi again,



    Any development(s) so far?

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Hi,

Please click on the below link go through the troubleshooting steps:

http://www.appliance411.com/faq/dryerheat.shtml

Posted on Nov 06, 2008

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"dryer said -> blower 0 RPM" the blower ain't turning. can you access the blower ?

Posted on Nov 06, 2008

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Hi
Electric heating elements, found in electric dryers, are self-contained units located in the back of the dryer. A defective heating element is frequently the source of no-heat or drying problems. Remove the back service panel to gain access to the elements.

The heating elements are located inside the heater ducts. If you think a heating element is faulty, test it with a volt-ohm-milliammeter (VOM) set to the RX1 scale. Disconnect the leads from the power terminals and clip one probe of the VOM to each terminal. The meter should read about 12 ohms. If the reading is higher than 20 ohms, the heater is faulty and should be replaced. Replace a faulty heater with a new one of the same type and electrical rating. A heater connected to a 115-volt line usually has an 8.4-ohm resistance; a heater connected to a 220-volt line usually has 11 ohms resistance.

The heater may also malfunction because it's grounded. To test for this, set the VOM to the RX1 scale and remove the leads to the heater. Clip one probe of the VOM to a heater terminal and touch the other probe to the heater housing. The meter needle should jump to a fairly high reading. If the needle flicks back and forth at a low reading, the heater is probably grounded and should be replaced. Here's how to replace the heater:

Step 1: Remove the back of the dryer. If necessary, also remove the cabinet top.

Step 2: Disconnect the leads and remove the screws that hold the duct in position. Then lift the entire heater unit out of the dryer.

Step 3: Remove the screws that hold the heating element in the duct.

Step 4: Slip the new heating element into the heating duct the same way the old one came out. Be careful not to damage the resistance coils. Replace the screws that hold the heating element in the duct, reconnect the leads, and screw the unit back into position.  

Posted on Nov 06, 2008

  • ABHISHEK.C
    ABHISHEK.C Nov 06, 2008

    An element becomes hot and glows like the filament in a lightbulb. Electric ignition systems are always sealed; you can't adjust or repair them. If an electric ignition device fails, call a professional service person for replacement.  


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You need to replace blower motor.
Take the screws off from behind the control area.
Lift off the control and you will find more screws that hold the top.
Take off the top and look for screws that hold on the front panel.
Take off the front panel.
Take out the drum but at the same time take off the belt and make sure you remember how it wraps around the pulleys.
You should be close enough to work your way into the blower motor area

Posted on Nov 06, 2008

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