Question about Amana NED7200TW Electric Dryer

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Model LG8219W2 On initial start up igniter turns on and flame is ok, after heats up and cycles the flame does not reignite,I can see the igniter glow red but flame does not return. the igniter contiues to cycle on and off but no flame, only on the first start up. Paul

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HI. This will essentially be an issue that concerns the gas valve coils. With that said, I will post below a complete burner assembly procedure that will help you isolate the culprit. I'm sure that the coils will fail the test, but to be safe, follow the procedure to confirm.

Gas valve/Burner testing procedure:

On the gas valve are one or two coils (solenoids) used to open and close the valve to control the flow of gas. If a coil fails, gas will not flow and the dryer will have no heat.

The easiest way to diagnose a problem in the burner assembly is to observe the burner operation. Remove the small access panel at the bottom, front of the dryer, select a high temperature setting and start the appliance. Watch the burner assembly, shortly after starting the dryer the ignitor should begin to glow. Next you should hear the click of the gas valve coil and a flame should ignite. The flame should be mostly blue and it should remain on for a minute or more.

If the ignitor glows for several seconds (up to 15 seconds) and then goes out, the problem is probably the coils (solenoids). If the ignitor glows and stays on, then the problem is usually the flame sensor. If it ignites and then quickly goes out, it is most likely a problem with inadequate air flow.Test the coil for resistance using a multimeter. Set the multimeter to the ohms setting X10. Place a probe on each terminal. The multimeter should change from a reading of infinity to roughly 1300 ohms (+/- 150 ohms) when the probes touch the terminals. If the reading is infinity or substantially different from 1300 ohms, the solenoid should be replaced.

Click Here to access a exploded diagram of the burner assembly. The affected coils will be labeled number 15 and 10. The actual coil and valve assembly will be labeled number 11 and the burner will be labeled number 9

Posted on Aug 22, 2010

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Posted on Jan 02, 2017

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Tractorman44 thanks but misunderdstood husband! When thermostat turned up the fan comes on before flames ignites. Plenum heats and furnace runs.


If the fan comes on first, then the flame ignites, it USUALLY indicates there is a problem in the ignition process of the furnace. Most new manufacturers have the adjustable 'time off' sequence for the blower, and most initiate a call for the blower to run within a pre-determined amount of time AFTER a call for heat has been established. ALSO, and this is where I think the problem is, the ignition sequence starts immediately upon a call for heat. If there is a heat ignition failure, it will attempt a restart. USUALLY, they allow 5 restarts within a certain timeframe then the circuit board locks out the heat sequence until it is reset by cycling the power or cycling the thermostat manually.

What I think is happening with yours it that your ignition sequence is experiencing a 'flame failure' upon a call for heat....then it re-establishes the ignition sequence, which takes another 30 to 45 seconds. During this time, the blower automatically starts (because the allotted time has expired) and blows COLD air because of the initial flame failure. In the meantime the ignition sequence establishes a flame on the second or possibly the third try and then you feel the warm air.

IF this is the case, ultimately what will happen is that the furnace will continue to experience 'flame failure' and eventually fail to the point of 'flame failure lockout' and you will have no heat, but the fan could possibly run continuously.

At any rate, without being able to be there to troubleshoot and test components physically, this is just a calculated and reasonably reasonable guess. What it is telling you is that you probably need to contact a reputable, reliable service organization to give your furnace a good going over before it lets you down on a good cooooold night!!!

I hope this helps you understand the basics of what happens within the system and bear in mind, this is a 'generic' sequence and possibly NOT the exact sequence of your particular furnace.

Oct 01, 2015 | Heating & Cooling

1 Answer

How do I test continuity on the sensors?


if it ignites then it's not the sensor,all you do with the meter is whatever part you're checking remove at least one of the wires,then put one lead on one side of the part and the other on the other side where the wire connects,set the meter on like 20k ohms,if the 1 stays there the part is bad if you get any other reading other than 1 the part is good,if it ignites for the first or second time check the gas coils on top of the gas valve,when the coils are starting to fail they will work fine until they heat up and then no flame,then when they cool down they could work again or you have a bad gas valve,sometimes when the gas valve is bad it will chatter and be noisy and might ignite or not,you can try tapping on the valve when the ignitor starts to glow to see if it lites but like i say if it's igniting the sensor is good there's no gas, i believe when the sensor is bad the ignitor will sit there and glow for a long time without any flame if the sensor is good the ignitor will glow for like 10 seconds and go out if there's no gas coming in from a bad gas valve or bad gas coils but it's getting no gas,hope this helps you out and if you have any other questions open the door to dryer and send the full model number so i can help you out better

Oct 21, 2017 | Dryers

1 Answer

Dryer heats for 5 minutes then no heat, but keeps tumbling


Perhaps the flame sensor is not working. If it does not sense heat, it will shut off the gas. You might go online and search for a manual to help you troubleshoot, or go to:
http://www.repairclinic.com/
for troubleshooting help and parts. I hope this is of help to you.

Jan 16, 2014 | Dryers

1 Answer

I have a Maytag Model PGR5710BDW gas range. The bake igniter lights up and the gas ignites after 2 minutes or so. Then the flame goes out after a few seconds and then reignites and this cycle repeats ...


Hello,

Yes it is the igniter its weak and can not stay within normal range to stay on allowing the flame to stay on.

The part number for that igniter is 74007498 it can be purchased at your local appliance parts store on online at
searspartsdirect.com
repairclinic.com
apwagner.com
apdepot.com
partselect.com

GENE

Aug 27, 2011 | Maytag PGR5710 Performa Gas Kitchen Range

1 Answer

Burner ignites and runs for for several minutes (normal), my or may not reignite later. Unsure if it is not calling for heat or not reigniting. Vent is clean as a whistle. Normally use sensor dry vs timed...


Hello,

Depending on your brand and model down on the bottom of the front panel is a piece you can take off and look in and see the burner asm. If at first you see the glow of the igniter, followed by a flame then once the flame cuts off a few minutes later the igniter glows but no flame, the coils that open the gas valve wont open to allow gas flow when they are warm, and need to be replaced.

Gene

Aug 11, 2011 | Dryers

2 Answers

Rheem powervent ignites then goes out, electronic ignition.


Sounds like a bad thermocouple. This part sends a millivolt signal to keep the gas valve open but shuts it off when it cools - or if something goes wrong with the ignighter - to prevent fires. It's easy to replace and not super expensive. See your local Rheem dealer.

Aug 13, 2009 | Water Heaters

1 Answer

Kenmore gas dryer not heating up


ck/replace the 2 black coils on valve they will sometimes fail after 1st start up slight chance it may be flame sensor mounted on side of burner to ck remove the 2 wires and short together temporaily if flame stays on and reignites ckd vent system first bad flame may cause sensor to shut it off if flame/vent ok replace sensor

Nov 27, 2008 | Dryers

1 Answer

Maytag Gas Dryer - Flame starts and then turns off 5 seconds into cycle


HI thanks for your question. the coils on the gas valve are faulty . common problem with gas dryers , replace the coils thanks the appliance doc. please rate my answer. thanks

Oct 11, 2008 | Maytag Dryers

1 Answer

Kenmore 72602100 gas dryer runs but no heat


gas dryers would have an igniter to start the flame. check it first to see if its still ok. be carefull in handling them, they are very fragile. check also for availability of gas. could have a closed valve.

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