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Auto dry cycles won't work. Tested by pressing temp + time with wet clothes. Cycles from 0 to 6000 repeats. Unplugged sensor strips still cycles as if plugged. Dryer will continue to run and heat.
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The operation of dryers during the Auto Dry Cycles is based on the moisture content of the clothes as they cycle over the moisture sensor. At the start of the cycle, the default estimated time is displayed depending on the cycle selected. The moisture sensor feeds information to the control based on the "wetness' of the clothes during the first 5 minutes of the cycle. The control then calculates and display a new estimated time making the time appear to "jump".
Recalculation happens again based on the reduction in the "wetness" of the clothes when the Estimated Time Remaining is between 15 to 5 minutes. The control will extend the cycle and displaythe Estimated Time Remaining unchanged if it "sees" no significant reduction in the wetness level of the clothes. The dryer will run longer than initially projected and give the appearance that the displayed time has "stalled".
Clean the sensor bars for any films or dirt build up to make sure it sends accurate information to the control. Level the dryer front to back and side to side to ensure the clothing will tumble properly and making good and proper contact with the moisture sensor bars. Check the dryer vent duct for any restriction to ensure a good air flow as the operation of the Auto Dry Cycles is based primarily on the air flow condition.
It is highly recommended to clean the lint filter before every load and make sure the dryer is grounded at the wall plug.
Hello. I don't know what make/model dryer you have but the problem could be with load size and type of clothing. The sensor bars are usually located on the front of the lint screen housing(you have to put your head in the dryer and look back to see them--they are 2 metal strips, approx 1/2" apart and at least several inches long). The damp/wet clothing keeps shorting across the strips, telling the main board to keep the dryer running. If there isn't enough of a load, the dryer may think that the clothes are dry prematurely and count down too quickly. The sensor bar technology *is not* an exact science--it works best on large loads with like clothing. For smaller loads, use time dry and adjust the temp setting accordingly. I hope I helped you.
open door and use flashlight look right at back wall , see those two chrome strips there , thats it!! use glass cleaner on them only , it wont stick inside and stink up your clothes from heating it
try cleaning the 2 silver senser bars located inside the dryer drum on the door side with isopropyl alcohol and lint free wipes,these bars sense moisture and control timer speed,and when they get coated with the chemicals in dryer sheets they become coated and can no longer sense the damp clothes (these sensers use capacitance to sense moisture)
If it shows cooling, it sounds like the sensor bars need to be cleaned off. They are two silver strips about 5 inches long just on the drum side of the lint filter. When dryer softener sheets are used, the bars get coated with a waxy substance, and then they do not detect the moisture in the clothes, so they think the clothes are dry, and proceed to the cool down cycle. You should be able to do a timed dry cycle just as it is, but will need to clean off the bars to get all the auto dry cycles to work. NOTE: If timed dry does not heat, post a comment for additional items to check.
Inside the dryer there should be two small metal strips (about 6-7 inches long and about 1/4 inch wide). These are the pieces that detect how much moisture is in the clothing. If possible, unscrew the plastic piece that they mount to, and see if the wires are still attached.
Bear in mind that "auto dry" doesn't usually work well unless you have a well filled dryer (one or two items may not come in contact with the sensors enough to tell the machine to continue heating— since it isn't coming in contact with wet clothing, it thinks the load is "dry".
The problem could also come from the circuitry in the control panel, but I would check these first. The fact that the machine works fine in regular timed cycle indicates that the upper limit and multi temp thermostats are working correctly.
As always, unplug the unit before unscrewing anything.
try to get the manual for the dryer you got and locate the moisture sensor if this sensor is bad what happen is that the automatic timer thinks that the clothes still wet and continues to dry once the sensor detects no moisture then it shut off the dryer normally is located behind the dryer on the exit line of the air duct and tested for conductivity and see if is good or not
First try cleaning the moisture sensors with rubbing alcohol,
these are two silver colored strips located inside the drier just below the
lint cleanout
On auto dry cycles, the cycle is controlled by moisture sensing bars located on either the rear or front bulkhead, ( visible inside dryer ) if the moisture sensor bars are shorted together (normally by wet clothing) the dryer will continue to run. If the dryer continues to run when the clothes are plenty dry, check and see if there is anything stuck between the sensor bars, (sometimes a metal sequin will cause this) or see if they are damaged. If not, you may have a problem with a timer contact, if the timer advances and stops moving at the same spot each time, I would suspect the timer. If this is an EvenHeat dryer, examine the control board located to the right of the timer in the control panel, for any burned components. Hope this helps.
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