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Metallic bell thud when unit turns off, kenmore refrigerator

When the cooling cycle shuts down as it reaches the proper temperature, there is a loud metallic bell thud

it starts cooling fine with no unusual noises
it is only noticeable when the compressor (i guess) turns off as sensed by the thermostat

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Hi, It is the compressor. The compressor is a pump inside the housing you see under the refrigerator. The pump sits on some springs inside this housing and one of the springs has gone bad. When the compressor shuts off, there is back pressure and the noise you hear is the pump hitting the housing because that sprig is broke. There is no fix other then replacing the compressor. It is very costly to replace. If this refrigerator is older, I would recommend you start looking for a new refrigerator. The noise could last a while but, it is a sign the refrigerator will not last much longer.
I hope this helps you understand what is happening.

Vic

Posted on Jun 21, 2009

  • Victor
    Victor Jun 24, 2009

    You are welcome

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I have a Kenmore Elite 795 bottom refrigerator. I keep getting an error code r dh. I cycle the power & it goes away for approx. three days. looking for a proper fix


Defrost problem when the defrost process fails to reach the required temperature to properly de-ice the cooling coils.

http://www.searspartsdirect.com/refrigerator-repair/error-codes/kenmore-refrigerator-error-codes-for-795-bottom-freezer-models.html


When you cycle the power you reset the code and it takes a day or so for the unit to cycle the defrost. Suggest that you ensure that the vents are not blocked.

Hope this helps?

Nov 11, 2016 | Kenmore Refrigerators

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I have. Kenmore comerical referigerator 253.44723100. The coils freeze. Keeps a pretty consistant temp of 43. If I defrost will work for a few days then temp climbs back up.


Hello;

My name is Peter. I am a retired field service refrigeration technician.

You should not have to defrost manually. You have a automatic defrost cycle. Every 8-10 hours your unit should shut down for 20-30 minutes, except for the light. This is when your defrost heater turns on. Afterwards, the freezer turns back on.

The defrost heater is on the bottom of your cooling coil behind the back lower wall.
25592992-wte2ibsdwpcevewvzivs5fqb-2-0.jpg
Part #: 216730700 Cost: $43.00

You also have Refrigerator Bi-metal Defrost Thermostat. Cost $27.00. At times the back of this component will pop out and fail.
25592992-wte2ibsdwpcevewvzivs5fqb-2-2.jpg You also have a defrost mechanical timer. This is located in the lower back behind a metal plate with a slotted hole through it. You can trip the freezer into the defrost mode. Taking a large screw driver turn the stem slowly clockwise one click at a time until the unit shuts down. After 30 minutes repeat this process to turn the unit back on, until you get a new timer.


25592992-wte2ibsdwpcevewvzivs5fqb-2-5.jpg
Notice the slotted hole on the left.

You may also defrost by unplugging the freezer for 24 hours. Have plenty of old towels handy. Plug the unit back in and after 12 hours you will be back to your desired temperature.

Mar 19, 2015 | Kenmore Refrigerators

1 Answer

I have a Kenmore 106.74253400 top freezer when it stops running it clunks multiple times and shakes though it's cooling properly.


The clunking noise, or shattering.. isn't likely to ever become a problem as far as cooling goes.... It will be more than likely try-your-patience than anything else . The compressor has springs located inside which are used to reduce the piston-travel when the unit reaches temperature and shuts off. Strange as it may sound, it won't cause the unit any harm.

Nov 27, 2013 | Refrigerators

1 Answer

N'finity 170 bottleis dual bottle zone wine refrigerator. Unit will begin cycle when turn off and on. Gets down to set temp and will cycle correctly maybe 2 times and then temp will slowly rise. Unit will...


Hi, there are some little thermal switches, and or 2 fans that may not be working properly. In both cases they are not cooling the unit down enough for it to maintain the set temperature. This unit is pretty much low grade, high cost, JUNK. Your minor repair might cost in the $400.00 to $500.00 range, but shortly after the evaporator (part of the cooling system) will fail. That part is not available. It took me $350.00 repair call to find this out. Good luck, and enjoy it will you can. By the WineEnthusiast only offer to help will maybe be a $150.00 price break on a new and improved model

Jan 25, 2013 | Refrigerators

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Iceream is not freezing


The temperature is not set to high cooling.First check the temperature setting.But if temperature is set right and still the ice cream is not cooling then .Problem relates to weak compressor. ------------- The problem is weak compressor.The refrigerant ( R12) in the compressor is got low.The compressor is weak.The compressor needs to be replaced.-------------- 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 refrigerator passes from the section, in that section the damper is located.------------ But as you mentioned that ice cream is not freezing, so that means freezer is not freezing to its required temperature.------- This indicates problem with compressor.When compressor cools the freezer section then fridge section gets cold.If freezer section is not getting properly cold then fridge section will not cool properly/.So the problem relates to compressor.---------- In the compressor there is a refrigerant called FREON.With the help of this Freon the compressor cools the freezer section.Freon is a gaseous type cooling agent.The compressor will stop cooling when coolant gets leaked from its chamber.--------- Again recharging the Freon is possible, but the cost for that recharging is approx the cost of new compressor.So its always advisable to get compressor replaced.Because new compressor has warranty for few years.------------------ You can get required parts from from online sites like: --- www.repairclinic.com or from searspartsdirect online site. --------- This should help.Thanks.Helpmech.

Jul 08, 2011 | Kenmore Side by Side Refrigerator

1 Answer

Showing a LP on display. What are the possible problems?


Here is the reason for that problem per the manufaturers web-site

http://www.haywardnet.com/products/Manuals/pdfs/Manual122.pdf

The low-pressure switch senses the refrigerant pressure in the sealed refrigeration system to

protect against certain conditions that could be detrimental to compressor life. The switch shuts

the unit down in the event of loss of refrigerant, fan motor failure, evaporator freeze-up and

airflow blockage. The switch automatically resets when the pressure rises to normal operating

pressures. The display will show "LP" if this switch is tripped.

Evaporator Freezing

The low-pressure switch will shut the heat pump down when the evaporator starts to freeze.

When the unit starts to freeze the low-pressure switch will be tripped, causing the display to read
"LP" This will prevent the evaporator from becoming damaged or deformed.

If the air outside the heat pump is not warm enough to produce heat, the system will shut down.

The actual point at which your unit will shut down due to low temperature varies depending on

which model you purchased, current weather conditions, and the amount of sunlight reaching the

heat pump. The shutdown can occur anywhere within a wide range of temperatures, usually 45°F-

55°F. This is not a "fixed" range. We stress that climate conditions, sunlight, and various models

respond quite differently to low ambient temperature. A shutdown occurs because low

temperatures will activate the systems low-pressure safeguard switch (digital thermostats will

display a code "LP".) The unit will start up again when the temperature has raised enough to reset

this switch. Note: Low ambient temperature does not necessarily affect the Chiller models
or the cooling cycle of the heat/cool units.

If this post has helped you, please take the time to vote positively for me on this site. If you need additional help, I can be reached @: adamh@newconceptchem.com

thanks,

adam

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My new Kenmore window unit 76081 makes loud rattle


If it does not make the noise when the fan is ruunin you may ahve abroken sping in the compressor. Make sure you Window unit is level. If not the compressor will knock on the inside. Rusty

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MAYTAG MZD2766GE SIDE BY SIDE


The freezer on top unit was keeping everything up top nice and cold, but the customer began to notice things in the fresh food section getting a little to warm. When the temperature selectors were adjusted to a colder setting, it seemed to help for a day or two, but then started getting warmer again. Sounding like a defrost problem, I paid this refrigerator a visit with hairdryer in hand, and parts in the van. Frost free refrigerators use a defrost heater to periodically assist with the melting of frost that builds up on the fins of the evaporator located in the freezer section. Frost forms each time the doors are opened to the unit, and the warmer, moist air from outside gets inside and heads toward the cold surface of the evaporator. As the frost continues to collect, the air passages in and around the evaporator start to close up and begin to prevent air circulation by the evaporator fan from the freezer to the fresh food section. As the cycle continues, the temperature in and around the evaporator will be cold, but the fresh food section will get warmer because warm air is not being exchanged with the colder air from above. The defrost sections of most units will consist of the same components. Namely, the heater itself, the bi-metal terminator, and the timer or defrost control. Each one of these components need to work properly for the defrost cycle to properly keep the unit frost free. On this unit, the timer could be advanced to begin a defrost cycle, but there was no current flow to the heater. After checking all connections and doing a quick resistance check of the circuit, I determined the bi-metal terminator had failed open. These bi-metal devices are used to prevent an overheating situation in the freezer section should the heater remain on to long. Once the trip temperature is reached, the bi-metal will open up a set of electrical contacts thus opening the circuit. Then when the unit cools back down to it's reset temperature, the contacts will again close, closing the circuit for the next defrost cycle. Because this bi-metal didn't reset, the circuit remained open and no defrosting took place. After using my trusty hairdryer and warm water squirt bottle to defrost the evaporator, I wired a new defrost terminator in line with the heater. With all the frost removed, the cold air started circulating again, and now everything within the fresh food section stays properly chilled.

Have a manual and can help you. Visit my site and enter your model number and part number in search feature. Click link below

http://servicepartstec.blogspot.com/

saebreezehvac@yahoo.com Thank You, Sea Breeze


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1 Answer

WHIRLPOOL NO-FROST REFRIG/FREEZR MODEL-EHT201ZKWR5


looks like operating normally...

the fridge as it reaches it's temperature shuts the compressor off and then after a few minutes..the fridge would increase temperature again and would turn back the compressor again.

its the thermostat which is cutting on and off the compressor.

and i think it is normal. based on the temperatures that you indicated..it is cooling very well..0 F in the freezer and 40 in the refrigerator... that's good.

drcool



Nov 06, 2008 | Whirlpool Refrigerators

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