The bottom is the return duct,all it does is blow the cold air from the freezer through the top and it returns to the freezer at the bottom.now if you had ice build up on freezer back wall you have a defrost problem and it's gonna do it again in a couple of days, you either have a bad adaptive defrost board,a bad defrost thermostat or a bad defrost heater you didn't send the full model number so i checked the closest number i could find,you have an adaptive defrost board part 4388932,that could be the problem,there should be a tech sheet in the bottom,remove kick plate and see if sheet is there,check to see if you click the light switches 5 times together in 6 seconds the fridge should go into defrost,if it doesn't adaptive defrost board is probably bad,take off inside freezer back wall,click the light switches and see if the heater comes on,your gonna need ameter also to read out some parts,shut the controls off or unplug the machine,remove the wires from the heater and read the heater out, if it's bad change it out,also on some of the machines you can unplug the thermostat wires,if so bypass the t-stat by pluging the wire that sends power to the t-stat dirrectly to the heater and click the light switches 5 times and see if the heater comes on or if the thermostat is still cold read it out with meter
Testimonial: "Thanks, this was very helpfull. I am going to see if it freezes up again and if i does I will troubleshoot and fix."
Most times that is the first sign of a defrost problem. Yours has a electronic defrost control part number 4388932 inside the fresh food section that may be bad. Look in back of freezer is frost building up on rear wall. If yes we need to check the defrost heater, defrost thermostat and the defrost control board. Thanks, Sea Breeze
Testimonial: "Thanks for the info and diagrams, very helpfull."
Here is a photo of the 4388932 Defrost Control. You can find it here=> Appliance Repair Point and Click or here=> Appliance parts Southeast.
If you still need assistance, contact me here at Fixya or through my site HERE or here Sea Breeze Appliance Parts feel free to ask any time, Sea BreezeMost times this part goes bad before the defrost heater or defrost thermostat.
I forgot to show location. Click here=> 10657062600 Contol Panel once there click on photo to make larger. It is behind the control panel and number 6 in photo inside fresh food compartment. Thanks, Sea Breeze
Thank You Very Much For The Rate! If you should need me again add my sites HERE or here Sea Breeze Appliance Parts to your favorites, feel free to ask any time, Sea Breeze
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