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Posted on Sep 11, 2008
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My freezer's defrost systems runs constantly

I have a frigidare frs22zrh upright side by side fridge/freezer and the defroster runs several times a days defrosting the food and causing a water puddle int he bottom of my freezer even though the freezer does not need defrosting... help.

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  • drgolfing Sep 11, 2008

    The freezer itself is cooling sufficiently. I have seen the heater coils turn on on a number of occassions. The refrigerator is working fine with no noises but on a number of occasions when I open the freezer to clean the now melted ice out of the bottom of the refregerator the heater coils (i am assuming the defroster) turns on.. That's why I am questioning the compressor theory.. thanks for any feedback.

  • drgolfing Sep 11, 2008

    Thanks. The ice is fine, plenty of it and frozen. If I had to guess the heater coil comes on more than once per day based on what I have seen. We have to clean the water of the floor after it has accumalated to much in the freezer bottom and runs out onto the floor about every 2 days.

  • Anonymous Mar 15, 2014

    want switch of runs constantly have defrosted

  • Anonymous Mar 16, 2014

    The freezer stopped working properly, food became defrosted. Swithched to run as a refrigerator and now runs as a freezerm but not as refrigerator.

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1 Answer

Anonymous

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  • Master 1,314 Answers
  • Posted on Sep 11, 2008
Anonymous
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I dont think so i would look at the compressor kicking out on thermal overload or a faulty thermostat thermostats have two settings cut in cut out your cut in could be bad and not turning the compressor on till the temp reaches melting temps now if your hearing a click buzz then you need to look at the compressor and make sure the compressor fan is running but its not a defrost promblem

  • Anonymous Sep 11, 2008

    the defrost system has three parts the defrost heater the defrost theromostat and the timer or on newer models the adc control or adaptive defrost control which is electronic now days now it works on compressor run time for every 8 hours the compressor runs and it dont measure the time the theromostat shuts off the compressor the adc shuts down the compressor and turns on the heater specs are 30 min defrost for evey 8hrs of compressor run time it can be faster if the theromostat is stuck and runs the compressor all the time normaly should defrost every 2-3 days depending on how many times the doors are open and there is a drain pan under where the heater is so you shouldn have to clean any water under the floor of the freezer so reply and lets chat about this not saying you cant have a faulty adc but dont think so how often are you seeing the heater on and how is your ice

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Related Questions:

2helpful
1answer

I have a Frigidaire upright freezer FFU2065 how could force it in to defrost mode its all iced up
you machine has an electronic control instead of the old timers where you can manually advance the timer and out it in defrost. The part number 297282800 for it.
The first thing you want to do is open the freezer and see if the fan inside there is running. The reason is the freezer cools the refrigerator side by circulating air from the freezer. If the fan is running then your problem is one or more parts of the defrost system is malfunctioned and in return your problem arises. There are three parts to the system, the defrost timer or in some cases control board, defrost thermostat also known as a bi-metal, and the defrost heater. The defrost system is set up to operate as so. The defrost timer or control board will turn the machine off, in some cases every 8 hours, some 12. During this time period the defrost heaters, located behind the freezer wall and rest underneath the evaporator, yet wires to them run up the side of it, are energized and emit heat that raises upward to melt the ice that has formed on the evaporator coils. The bi-metal or defrost thermostat is at the top of the evaporator. When the heat from the heater starts to reach the bi-metal, it breaks the circuit turning the heater off. The whole purpose of this is because the freezer cool the refridgerator side by drawing air across the coils and blowing to the other side via the evap fan motor. In my opinion, if you change one part of the defrost system change them all because usually when one part fails another will follow, so save yourself the time and the food loss, the cost difference is minute.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/jason_4570d45317834dd3

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Jun 07, 2012 • Frigidaire Freezers
0helpful
1answer

Freezer started defrosting and the sides where burning hot. I emptied it and unplugged it. The next day i plugged it in again and it froze a water bottle rather quickly but the sides where still burning...
Your defrost timer has stuck to on position, replace timer and all good or locate timer and spray lubricant into the dial and turn it several times with unit off, then try it after several hours, quick fix only but may last several years...good luck...Russ
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Aug 22, 2011 • Frigidaire Freezer 20.3 Cu. Ft. Frost Free...
1helpful
2answers

After defrosting the freezer it will not cool
Don't panic about the hot sides of the freezer. It is quite common on all the freezer (make/model).

After defrosting, your removing the full temerature out of the system. It will take atleast 30 ~ 60 mins to come back to set temperature. This again depends on the load inside.
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Jun 06, 2010 • Kenmore 13.7 cu. ft. / 388 liter Upright...
4helpful
2answers

My upright freezer won't self defrost. Frost builds up right awa
The evaporator coil behind the cover on the back wall inside the freezer will ice up under normal conditions. Every 8 to 10 hours for around 20 minutes the defrost timer (or in most newer models the electronic adaptive defrost control) will turn the defrost heater on to melt the built up ice. There is a defrost thermostat which prevents the heater from overheating the freezer by breaking the heater circuit when the temp reaches close to 32 degrees F. The entire cooling system shuts off during the defrost cycle and starts back when the timer advances through the cycle.

If this ice is not melted it will continue to build up until the air can’t flow over the coil to circulate the cold air through the freezer and into the fridge. The temperature change in the fridge is usually noticed first followed by the freezer.

If the defrost thermostat is bad it can prevent the heater from coming on OR it won’t turn the heater off when it gets too warm. It is clamped to the evaporator coil at the top to sense the temp. If it appears to be misshapen it is bad.
With an ohm meter it should show continuity when cold and none when warm.
You can also bypass the thermostat to see if the heater comes on then. If it does then you know the thermostat is bad and needs replaced.

The defrost heater is located on the evaporator. It is in a tube which is at the bottom and can also go up the sides of the evaporator. On some types you can see a burnt spot if it’s bad. With an ohm meter it should show continuity from end to end when disconnected from the wiring in the freezer. You can also test the wiring for voltage when it’s in the defrost mode.

If you have a defrost timer you can test it. It can be located under the fridge behind the kick panel on the front. Some are in the fridge with the controls at the top. You can turn the defrost timer till it clicks and everything shuts down. The heater should now come on. If it does, replace the timer because that means the timer is not running. If it doesn't, check the heater and defrost thermostat. Turn the timer again till everything starts back up to end the defrost cycle.

If you have an adaptive defrost control instead of a timer, replace it if the heater and thermostat test good. It is located in the fridge with the controls in some models and on the back in others.

If you need help finding your model number see here> http://www.appliancepartspros.com/modelnumber_locator.aspx

To locate your timer, motherboard, control or adaptive defrost control , enter your model number and search for the part or post back on Fixya.
http://www.searspartsdirect.com/partsdirect/index.action?psid=26129238&sid=PSx20071217x00001a
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Sep 19, 2009 • Kenmore 13.7 cu. ft. / 388 liter Upright...
0helpful
1answer

Fridge freezer side by side running constantly but not cooling.
Make it a habit to defrost it every week. You see, when ice forms around the evaporator tubes (which runs around the walls of fridge and freezer), heat exchange reduces (that means heat is no longer absorbed from the things inside the refrigerator) and cooling stops. See whether freezer walls or fridge walls are damaged. Do not use knives or any other sharp tools to remove ice. Do not forcefully remove items that are difficult to take out from the freezer. Defrost and remove them.
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Aug 12, 2009 • Freezers
0helpful
1answer

Frigidaire upright freezer MFU20F3GW7 (model)runs constantly. I just replaced the thermostat and it's been running for 2 hrs. Is this normal? The sides are hot.
Clean cooling coils....throughly. Check door seals.
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Jul 08, 2009 • Frigidaire Freezer Refrigeration White...
0helpful
1answer

Top shelf of frigidare manual defrost freezer only freezing, other shelves are not cooling.
Is the condenser clean? If it is you may have a refrigerant leak or an inefficient compressor.
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Jun 28, 2009 • Frigidaire Freezer Refrigeration White...
1helpful
1answer

Side by side fridge not cooling, not making ice
if it seems like the evaporator is getting cold then your sealed system should appear to be ok. you need the evap fan to transfer cold air into fresh food section. if not turning u need to replace fan motor. make sure your not getting to much frost build up on the evap.
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Jun 24, 2009 • Frigidaire Freezer Refrigeration White...
1helpful
1answer

I have a 4yr old 13.7 cubic upright frigidare freezer. Running all the time, I defrosted it recently (only minimal frost/ice on base behind basket) after noting top shelf warmer than others and food...
Hi, Put a thermometer in the freezer and see if it gets down to 0 to 5 above zero. If it is not getting that cold, something is wrong. If you had frost building up behind the rear panel, there is a defrost problem.
Please let me know the temperature and I can assist you further.

Vic
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Jun 20, 2009 • Frigidaire 20.6 cu. ft. / 583 liter...
0helpful
1answer

Freezer has frost in back- frig not coolling
You have a defrost parts issue.
Unplug the fridge. Remove the back freezer panel and check the defrost heater and defrost thermostat.
Without a model number I can not tell you where the defrost timer is.
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Mar 04, 2009 • Kenmore Freezer 20.3 cu. ft. Frost Free...
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