Whirlpool Dryer LGR7646EQ3 - Auto Dry is not working
We have a ten year-old Whirlpool dryer that is suddenly no longer working on the auto dry. Instead of shutting off when the clothes are dry, it just...keeps...drying... (we had a load go almost ten hours, thank goodness my husband happened to notice it was still going! I was distracted by our two little 'uns). The timed dry seems to work just fine. I have read a bit about cleaning the moisture sensors; trouble is, I cannot seem to find them inside the drum. Any suggestions? Thanks!
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Re: Whirlpool Dryer LGR7646EQ3 - Auto Dry is not working
I went over the part list and I didnt see a sensor, if it is there it will be two silver wire bars either on the back bulk head or at front right just below the door, possibly your timer has gone south too.
The only item I saw was a dryer cycling thermostat that shuts off heat when a certain temp is reached, here is a link; http://www.repairclinic.com/SmartSearch/SSPartDetail.aspx?PartID=2893&PPStack=1
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This is very rare on a gas dryer but I have seen it. If you have already replaced all that other stuff I would say it has to be inside the timer. On one I worked on once I could remove that orange wire and the dryer would function ok so I ordered a new timer, they sent me a bad timer. Same problem. I finally got a working timer after going through a bunch of mess. That fixed it. So if all the other components are working it very well could be the timer.
i belive you should check the vent hose from the dryer all the way to where it exits the house... that's usually the problem when dryers aren't drying as well as they shoud... lint wil start to cake on the walls of the vent and either create a complete block or slow the air down enough to keep it from circulating like it should
There is a humidity sensor which acts as an auto cutoff switch in most driers, as your load auto dries , it senses the change in humidty and kicks the power off. It is often shaped like a flying saucer with wire terminals on the wings. That is likely your culprit, generally located close to the element. Based on your description, I would start there. Also test a load on timed dry, but it sounds like that's your problem. Remember to unplug before looking under the hood. Post back if you need further info
This is caused by the dryer vent being blocked and not allowing the moist air to be removed from the dryer. To confirm this. Dry a load of close in a timed dry setting. Set the time on a specific time and then start the dryer. Wait for about 5 min. See if the timer has moved. If it has then the problem is not the timer. It is the exhaust vent being plugged up somewhere. Moisture how the auto dry setting works. The dryer sences moisture and runs longer to dry your clothes. With the dryer exhaust vent blocked, wet moist air is comming back into the dryer and fooling the sensor into believing the close are not dry and runs for a very long time. It is not uncommon for this problem to cause a dryer to never shut off. Your dryer exhaust vent is plugged up with lint somewhere.