Can I replace this or repair this myself of do I need a repairman?
My sensor stopped working when we moved to a new house. I've been using the timed dry, but it is getting slower drying the clothes. I just open up the back and checked for lint clogs. I did find a lot of nails and other things my two year old must have shoved down the lint filter slot! I'm drying right now with the vent off to see if there are any clogs to the outside. I've read that if it dries well, then it's problem with the hose going to the outside. It's probably clogged or damaged. Our dryer hose is extremely long (I blame the architect) and goes through our crawl space. I suspect a problem there.
Once I discovered that the problem was not the dryer, I went into my crawl space and discovered the plastic duct was clogged with lint. Apparently the duct was not changed since the house was built over five years ago! The 4" duct was also duct taped to a 3" connector. Additionally the line ran into the crawl space at a 90 degree angle in a space that was only 2" wide! My husband adjusted the way the line ran into the crawl space and replaced it with a rigid aluminum duct. The auto sense works on my dryer and it takes only 30 min. to dry a load of laundry instead of 1-1/2 hours!
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A dryer moisture sensor can stop working without notice, until you notice your clothes being over dried or still wet at the end of the cycle. It is a good practice to test the dryer moisture sensor periodically. There are two types of moisture-detecting sensors for dryers. Once you understand how they work you will see how to test each one. 1. Sensor BarThese sensors contain digits that protrude outwardly. They work on an electrical current and the moisture from the clothing. The first step to test is to place completely dry clothes in the dryer and turn on the dryer; it should run for a few moments and then shut down right away. Secondly, place damp clothes into the dryer, turn on the dryer and watch the timer. As the clothes begin to dry the timer will move and shut off. 2. ThermostatThe timer is regulated by the thermostat. The thermostat rests in a closed position. To test this type of moisture sensor, place damp clothes in the dryer. Watch the timer; as the clothes begin to dry, the thermostat should open and the timer will move forward ,eventually shutting off.
try cleaning the moisture sensor bars just inside the door and below the door,with isopropyl alcohol of course after unplugging the unit for fire safety,these 2 chrome colored bars detect the moisture in the clothes and when they are wet they slow or even completely stop the timer,as they dry they let the timer again move,if they get a film on them they will not operate the timer correctly,they work on capacitance
This sounds like it is on a permanent press cycle. When it says end the clothes are dry.
Having said that....... If it is NEW this is a warranty repair. The moisture sensor is most likely the culprit causing the end of cycle trigger pre-maturely. Check around the moisture sensor for anything like bobby pins, straight pins, toothpicks (i.e anything foreign. Check the 2 strips and along the edges thoroughly for any foreigen matter.
If it is 2nd hand the moisture sensor is probably bad and passing false dry signals to the control. Again check for foreign debris before even thinking about replacing parts.
If you find nothing then before you buy parts there is a test for the moisture sensor. Just respond here and we can go from there.
Dryers with electronic control and auto dry cycle indeed use moisture sensors for the auto drying to work. The problem is absolutely associated with the failure of the moisture sensors, especially when the timed dry cycle works fine. Either the connection of the sensors to the electronic control is loose or the sensors are covered with thin film that prevents it to sense the proper moisture content of the clothes.
Clean the moisture sensor bars thoroughly and make sure its connections are snug fit. Reseat the connections several times to clean off dirt and corrosion build up in the connectors and terminals. The last thing to look into is the electronic control if all resort fail to address the issue, that is, clean sensor bars and good terminal connections.
Indicate the exact model number of the dryer should you need further or more specific troubleshooting and repair advice.
The moisture sensor is shot and needs replacing
It works till it sees dry air going past it (As set by the maker)if it thinks the air is still moist it will keep on trying to dry it.
Call out a repairman or buy a sensor and fit it yourself
No parts needed for this repair! Get a warm damp cloth and reach inside the rear of the dryer and clean the **** off the 2 strips of metal in the back called sensors. Next get the rear of the timer panel off and yank out the small computer board next to the timer. This is the moisture sensing board. Get some alcohol and clean the copper contacts. Shove the board back in and retry.
This may be a problem with your moisture sensor or the control that read the sensor. If it is under warranty have Samsung fix it for free. Make sure the cycle settings are correct before tinkering. First make sure the electronics are not too dusty. You could blow them off or vacuum them. Dirt particles can conduct electricity and make it read wrong. Next check the electrical connection for the moisture sensor. See if its location is in the manual. If it doesn't work after some tinkering asked the service for the dryer about possibly replacing the sensor but first try hard to get it to work.
Thanks for the Chat session I hope I fixed your problem I would like to email you the complete service manual on your model if that is ok it will show you everything and how to break it down please post your email