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Kemore model 795.7731 bottom freezer

The fridge has started making a loud buzzing or whining noise when it is running. Just started in the past week. When you open either top door or the freezer on the bottom, all noise stops. It's like the motor shuts off. As soon as you close the door, it starts up again. I did notice frost buildup on the back of the freezer compartment. Do you think it is the evap motor making the noise? The fridge seems to be cooling and freezing ok for now. Thanks!

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  • km27 Apr 12, 2008

    Mike, Thanks so much, I took the back panel off inside the freezer and it was iced up and yes the evap fan was hitting on a huge pile of ice build up. So I defrosted everything, put everything back together and will see what happens. I will check the door rails and also make sure I don't load the freezer up too much. I might have had too much stuff in it and blocked airflow? Thanks for writing back, it is good to know I have a place that will help me if I need assistance! Karen

  • gen9 Jun 19, 2008

    I have the EXACT same problem with my Kenmore 795.7730. It sounded like a small 2 seater plane was revving in my kitchen. This started 14 months after I bought the fridge, 2 months after warranty had expired. I had a non-Sears repairmen look at it. He took apart the back wall and we saw a huge amount of ice build-up. I had been defrosting it myself to stop the noise (which is idiotic for a new fridge) but I had no idea it was that severe. He told me that it was a bad fridge with problem seals and he'd be happy to charge me $85. every year to come out and defrost it for me, because it CAN'T be fixed! He mentioned something about cheap Korean parts and to avoid Kenmore. Sears wouldn't even talk to me unless I coughed up $250 bucks. I don't know about the other poster, but this makes me incredibly angry at Sears for selling faulty goods and not standing by their lemons. I don't have time to take my fridge apart every year and spend an entire day defrosting it. Over the years, $85. will add up to almost double the price of the fridge. I foolishly assumed that Kenmore was a reliable brand, as Mom always had it, but I will NEVER again even walk past a Sears, much less buy anything from them. Is my only option to take a complete loss on this refrigerator and buy a new one from scratch? That just makes no sense. What's the point of having a freezer if you can't put food in it? Other than the noise factor, it works quite well. (The ice tray overflows but I just make ice as I need it). ~ Brenda

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You are probably correct that it is the evap motor. If you are seeing frost on the back wall then there is probably some ice built up around the motor and the fan blade is hitting it.
Try defrosting the freezer and look very closely all around the seal for the freezer drawer. It is common for moisture to freeze in the self closers in the drawer rails and not let the drawer close completely on one side or the other. If this happens the small gap will allow the freezer to frost excessively.
Sorrry to be slow in responding. I have been very busy this week and have not been on line very much.
Mike

Posted on Apr 12, 2008

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SOURCE: Top freezer model #795-73952 has

Its a defrost problem. The freezer is got over frosted and all its ventilation's and drain line are clogged, due to this instead of draining the water in the drain pan, the freezer is draining water in the fridge compartment.-------- The manual defrost procedure should help.-------------- First try manual defrost reset procedure. The procedure is as follows: ---- First unplug the unit from main power outlet. Then empty whole unit completely. Then keep both the doors open. Wait for 24 hours. All the ice collected on the coils and in the freezer section will get melted. Clean the water from the sections. Then Connect the power cord of the unit to main power outlet after 24 hours/.Then set the temperature to normal in both fridge and freezer section. It will take near to 4 hours to get run in its proper cooling cycle. Then check, --------

If it's again building up ice that means the unit is not defrosting. ---------------



The working procedure of this unit is as follows: --- The compressor starts then it cools the freezer section. When the freezer reaches its cooling level the defrost cycle starts functioning. In this cycle the fan in the freezer section starts running and the cool air in the freezer section is passed to the fridge section and the fridge section gets cold. The air from freezer to fridge passes from the section, in that section the damper is located.---------- In your case,-----

It's starting the cooling procedure, and then while defrosting, it's not working. So over ice got collected and this clogged the water drain line and so water is seen in the vegetable bins.

---------------------

Manual defrost procedure should solve your problem, but if its not helping then get the defrost assembly parts checked and replaced----------

The defrost assembly consists of three main parts. The defrost thermostat, the defrost heater and defrost board. Any of the one is not functioning. When thermostat sense the maximum cooling, it triggers the defrost heater to start heating and this defrosts the ice collected on the coils and the system works. Both thermostat and heater are controlled by defrost board. First the thermostat and defrost heater to be checked, if both check ok by meter and visually, then its defrost board causing the problem.I suggest get it repaired instead of buying new refrigerator.This are common problems and occur in all brand refrigerators.-------------- You can get required parts from from online sites like: --- www.repairclinic.com or from searspartsdirect online site. --------- This should help.Thanks.Helpmech.

Posted on Jun 22, 2011

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