Question about Whirlpool Cabrio 7.0 Cu. Ft. Super Capacity Plus Electric Dryer
I've seen the AF code twice now on my Whirlpool Cabriolet Dryer (wed6400sw1). The first time, we thought it stood for "Auto Fluff", a cycle to keep the clothes wrinkle free...We soon realized the dryer was getting a lot hotter than it ever did before and until I checked the vent stack from the roof, I had no idea that the pipe was blocked with a build-up of lint. I cleaned the pipe from top to bottom by taking it apart wherever I could using a vacuum and every hose extension I could get my hands on. I duct taped these together so I didn't drop it somewhere that I couldn't reach!
The second time we saw the AF code was this weekend. First, I verified the vent pipe was not clogged again. (a good quick test for this is to disconnect it from the back of the dryer and run it unconnected to see if the AF code fires) After some online research, I started taking it apart the back to maybe replace the thermistor or the thermal fuse shown above.
I noticed an odd little piece of ceramic tubing had fallen down to the base of the dryer pan. So I decided to take the heater core apart to have a look. Sure enough, I found my problem. My dryer has two separate groups of springy looking heater wire. You can see that part here as well as the little tube I found. http://www.appliancepartspros.com/Appliance-Parts/whirlpool-element-item-number-ap3953732.aspx It turns out that ceramic tube is an insulator allowing for the two heating elements to exist without touching since they are both powered from the same starting wire point.
Well, my AF code (which is really just telling you the dryer is getting too hot) was being created due to a broken wire which caused the two units to fuse together. It must have been getting really hot. It also had welded itself to the metal backing structure.
I carefully removed the broken wires from the heater element and reassembled to test. Sure enough, it works good again and no AF code, but I bet it doesn't heat as much since I removed one half of the element. I'm going to pick up a replacement heater element tomorrow from the local parts store to restore it like new.
Hope this helps someone!
Posted on Aug 27, 2012
The airflow is restricted as what AF flashing on the display means. Check and ensure that the lint filter, lint duct, and the vent are clear. Lint built up in these areas causes airflow restriction and AF to flash. Another source of this problem if those areas are clear is a faulty outlet/exhaust thermistor or cycling thermostat located on the blower housing. Replace the outlet/exhaust thermistor or cycling thermostat whichever is applicable to your dryer.
Remove the rear access and locate outlet/exhaust thermistor or cycling thermostat on the blower housing.
Posted on Mar 24, 2011
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Posted on Jan 02, 2017
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