Need appliance parts? Call 877-803-7957 now or use the parts search box:

Parts Search

Learn appliance repair at online the Master Samurai Tech Academy.  Learn more.  Earn more.

FAQs | Repair Videos | Academy | Newsletter | Podcast | Contact

Tmc78

Kenmore refrigerator not defrosting

12 posts in this topic

Our Kenmore refrigerator, model #596.79162990, has an accumulation of ice on the back freezer wall. The refrigerator and freezer are both running warm. The ice maker has ceased working as well.  I manually defrosted it yesterday, and the ice maker did spit out a few cubes but already today the back wall is again full of ice. What should we check first and how do we go about doing that? We called for Sears for service but they couldn't come for a week and charge $65 just for being there. Thanks for your time.

Share this post


Link to post
Share on other sites

Need appliance parts? Call 877-803-7957 now!

Yep, that's a bad defrost thermostat. Piece of pie. Come git you one: CLICK HERE.

Share this post


Link to post
Share on other sites

I'll get one. Is it pretty simple to switch out myself? Can't say I'm real experienced in the refrigerator department

Share this post


Link to post
Share on other sites

Right there on the top of the evaperator behind the wall of the freezer.....;)

Share this post


Link to post
Share on other sites
;)

Share this post


Link to post
Share on other sites

Just a simple question from a humble grasshopper to the great samurai (or Pegi)....how were you able to tell that is is the defrost thermostat and not the timer or heater? Just wondering.

Share this post


Link to post
Share on other sites

Very good question and you really should test the whole defrost system to see what is needed.  In fact i do suggest you do this to see what is defective.  We have just seen so many failures with these defrost termination thermostats we assume this is the problem.  Assume is not the right way to go and I do appologize for our hasty replies.  Please check the timer, bi-metal and heater as you are correct, it could be any or all of these that have stopped working.  :?

Share this post


Link to post
Share on other sites

I was working towards checking those things (just in case), but am having trouble locating the defrost timer in our refrigerator. You probably know exactly where it is, so instead of spending the rest of my day searching, I thought I'd just ask.

Share this post


Link to post
Share on other sites

Unplug the frig and while it is cold TEST  the bi-metal ref.# 0043 to see if it is good,  and test your defrost heater ref # 0043 with your ohm meter set on X100 or 1K...This is an Amana box with the KM name on the front.  Heater=10428409, bi-metal=104424077..

Share this post


Link to post
Share on other sites

Or access the defrost timer on the back of the box, ref # 0342 in this image, with the box running turn the button on the timer case to the right till the box goes dead except for the light.  If the defrost heater comes on you know the heater and bi-metal are probably good and you would replace the defrost timer=10530703.  If they do not come on and the frig comes back on within 30 to 45 minutes you will have to test the bi-metal and heater to see what has failed.

Share this post


Link to post
Share on other sites

Hello, my defrosting friend. Often, these defrost thermostats are damaged in such a manner that it is visible to the naked, unadorned eye. If you remove the inner wall of your freezer, you may see the defrost thermostat engorged and swollen from water leaking into it and freezing. No doubt you will find that our exalted and vain-glorious host, Samurai Appliance Repair Man, led you to the path of Truth.

Share this post


Link to post
Share on other sites