Questions and Answers for Whirlpool 338906 Flame Sensor page 2

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My Whirlpool dryer will not get hot and I was told to replace either the heating element, coils, thermostat or the heating sensor. I have replaced the both coils and the heating element and I still don't have any heat. Which part do you think I should try next? Any suggestions?

Tanzy for Model Number LGR6848AN0

Answer Hello Tanzy, You will want to check the thermal fuse for continuity. If the thermal fuse does not have continuity then it is bad and needs replaced. Check the flame sensor for continuity as well. No continuity means it is bad and needs to be replaced. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html

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While drying cloths this past weekend I noticed that the timer would not advance in auto mode, as well as not advancing the cloths would not dry. The timer does work in timed mode but still does not dry the cloths completely. I read through some forums and checked to make sure the vent path is clean and clear. The lint trap has been cleaned as well. I checked to make sure the igniter worked and it does. With the front cover of the dryer off I turned the dryer on and saw the igniter glow and the flame came on for a brief minute and shut off. As I ran the dryer for a few minutes to observe, the flame would continue to come on for a brief moment and then shut off. Any suggestions or advice would be greatly appreciated

Shiloh A for Model Number mdg3758aww

Answer Hello Shiloh, What you should do first is to disconnect vent from back of unit and run with a load in the dryer. On a normal size load it should dry in approximately 35 to 40 minutes. If it does then you have a venting issue that is causing the no heat issue. If it doesn' then you want to check the blower wheel to make sure that the blower wheel is not clogged with lint. If this checks ok then you will want to look for a weak Hi limit thermostat or cycling thermostat. If these both are good then the coils on the gas valve would be defective. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html

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I do not have any heat in my gas dryer. Is there an easy way to check if the flame sensor is broken or the heating coil?

John for Model Number whirlpool 073237-8714-5371-2

Answer Hello John. You will need to test the thermostats and the flame sensor and make sure they are good. They should read closed for continuity. Also, check the igniter and make sure it is getting hot enough to light the gas. Here is a link on how to use a multi-meter for the testing procedures. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html

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My flame sensor 338906 has two wires, white and blue. which one goes to which connector on the unit. The top tab is long and goes the length of the sensor. The short tab is just long enough for the connector to attach. I think the blue goes to the long one and the white to the short one. I just am not 100% sure.

Armand for Model Number Whirlpool gas dryer LG8861XWQ

Answer Hello Armand, The flame sensor should be marked with possibly a 1 and 2 or FS1 FS2. The white goes to the 2 terminal which should be the small and the blue goes to the 1 terminal large.

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no flame replaced ignitor repirman looked at and all he said was it needed a sensor and the only thing called a sensor is the flame sensor will that flame sensor cause the ignitor not to glow i sure hope so because i bought one and going to install later today if this dont work do you have any other ideas

Bob for Model Number 11072822100

Answer Bob, Yes, a flame sensor 338906 with an "open" circuit, would keep the igniter from glowing. Since you've replaced the igniter, you shouldn't have an issue, and the other possibility would be no voltage to the gas valve, or a faulty set of gas valve coils, but these aren't that common an issue. Thanks

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Both wires to the flame sensor are blue, which one goes where?

Brad for Model Number LG8219W2

Answer Hello Brad, The flame sensor is either open or closed so the two wires cannot be crossed. It doesn't matter which terminal you put the wires on since the circuit doesn't care which way the current flows through its' contacts.

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Dryer only heats for 10 minutes and will not relight on any setting. It has a new ignitor and new thermostat and all other sensors check out to your specs. Any ideas? I'm thinking the flame sensor, but it checks out ok when cold.

Scott for Model Number ngd4500vq gas

Answer Hello Scott, Based on the information provided, it appears that your secondary coil 279834 for your gas valve is bad. When the unit first comes on the main coil and secondary coil kick in. When it gets going the main cuts out and the secondary is supposed to keep unit going. When this coil is bad it will not allow the unit to reignite.

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I have a maytag Neptune gas dryer. The dryer was heating up once, but wouldn't reignite. I replaced the gas valves - same issue. Replaced the thermostat - same problem. Replaced the control panel - problem worsened as the dryer no longer heated once. Replaced the flame sensor - still won't heat even once. Replaced the igniter - it sparked a lot and the metal fell off (faulty igniter?). Any other suggestions?

Sam

Answer Hello Sam, Of course I am working with the handicap of no model number, but I would guess that if the ignitor fell off, it was faulty. You need to replace the ignitor and the coils on the safety valve. If this doesn't correct the issue, the gas valve has failed.

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The flame on the dryer lights with a small flame but goes after after a minute or two. The dryer works but has no heat on any cycle. have no idea what part it could be. I'd appreciate your advice.

John for Model Number LGR4634JQ2

Answer Hello John. You will need to test the thermostats and the flame sensor and make sure they are good. They should read closed for continuity. Also, check the igniter and make sure it is getting hot enough to light the gas. Here is a link on how to use a multi-meter for the testing procedures. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html

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My dryer is not heating up. I checked my flame sensor and my hi limit thermostat I found out my flame sensor is bad but my hi limit thermostat is good. To be able to make sure my flame sensor is bad, do I have to hook up my dryer to the gas line?

Chris for Model Number 110.7693269276932

Answer Hello Chris. No, the flame sensor 338906 should read closed on the unit with or without gas. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html

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