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The freezer is melting everything, then we turn up the temp and it freezes again for awhile. we have it as high as we can, but it is defrosting everything----do we need a defrost timer?

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Hi, Sounds like you have a thermostat going bad or a slow leak...
Many times a freezer and/or refrigeratordo not work right because of a dirty condenser coil...there are also many otherthings that can go wrong. If you are hearing a clicking or buzzing thencheck out the last two tips.

If your refrigerator is running but warm, then...

Check out these tips that I wrote about that... it is a great place to starttrouble shooting your unit...and something that you can do rather then callinga repair person to do a simple thing for you...

Refrigerator Condenser Coil Cleaning Refrigerator Repair

Refrigerator Troubleshooting Refrigerator Compressor

Refrigerator Compressor Start Capacitor and Start Relay
Refrigerator or Freezer not Cooling or Getting Cold

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Posted on Apr 02, 2011

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1 Answer

Coils freeze up and fridge runs all the time till I melt coils.


There might be a few causes

Door Seal might be defective causing the door not to shut tightly this causes air from the room to get into the freezer through the opening and as the air comes in contact with the evaporator coils, it freezes. Normally the defrost system removes the ice but if the seal is defective the coils freeze too quickly and the defrost system cant keep up

If the freezer evaporator coils ice over, the defrost thermostat might be defective. Several times a day the defrost heater turns on for a few minutes to melt away any frost that may have accumulated on the freezer evaporator coils. In order for this to work, the defrost thermostat has to sense that the coils are cold enough. If the coils are cold enough the defrost heater will turn on. If the thermostat is defective it may not be able to sense the temperature of the coils and then won't turn on the defrost heater. If the defrost heater doesn't turn on, the evaporator coils ice over and eventually no air will be able to travel through the coils to provide cooling to the freezer. The defrost thermostat can be checked for continuity. It should have continuity when it reaches the low temperature of its operating range.

Jun 03, 2015 | Refrigerators

1 Answer

Freezer temp cycles above freezing


If you have a frost free refrigerator then temp jumps as you discribe are somewhat normal during a defrost cycle. However it sound like your defrost temp may be getting too high. There is a limit thermostat on the freezer coils that keep the defrost temp from getting too high. The part is called a (defrost termination thermostat) and is a round disk about 1 to 1.5 inch in diameter clipped to the top of the freezer coils with 2 wires coming out of it. When cold, it allows power to the defrost heaters. At around 35/40 degrees it opens and shuts off power to the heater. 35/40 degrees sounds high for a freezer temp but that is behind the wall and only for a short time. Yours may be staying on too long or out of temp calibration needing replaced.

Mar 20, 2015 | Refrigerators

1 Answer

Frigidaire 18.2 cuft top freezer refridgerator either melts or freezes everything


The defroster heating elements are burnt out and won't defrost and causes system to freeze up. Then it won't cool. Unplug ice will melt off cooling fins then it will cool till it freezes up again. Install new defrost heating element. Replace both.

Jan 15, 2014 | EuroCave Performance 283 Wine Cellar

1 Answer

I have a Kenmore upright freezer model# 253.9260210. We noticed that our food was starting to thaw. I opened up the coil area and noticed a small piece of ice on the coils. I melted the ice and turned...


Feel top of the compressor and tell me how hot after it has been running awhile. I need also that you advance the defrost timer=>. 216517400 Defrost Timer
12_9_2012_4_41_32_pm.jpg

clockwise slowly untill the compressor stops or starts. I need to make sure the timer is not stuck into defrost. I want you to leave the compressor off for up to 35 minutes. If the freezer compressor doesn't restart bt then simply again turn the timer clockwise slowly until it does and then stop turning. The defrost timer is location 23 in this photo HERE If you need to turn the defrost timer like this to restart the compressor then replace the defrost timer and this will resolve the freezing problem. If not we move to the defrost heater location 14 in the sme photo=> 216254600 Defrost Heater
12_9_2012_4_51_55_pm.jpg

I am going to stop here until I hear from you, Thanks Sea Breeze

Dec 08, 2012 | Kenmore Freezer 20.3 cu. ft. Frost Free...

1 Answer

I have a GE model TFX30PPDACC. It had frost in the freezer on back panel. Changed defrost timer and defrosted the coils. Lasted 10 days before enough frost built back up and refrigerator temp climbed....


thats what it will do when nothing frozen is in the freezer,you should hear the defrost heater popping if theres frost or ice melting off the evaporator coil in the rear area of the freezer its working ok

Jun 12, 2011 | Hotpoint HSS25GFP Side by Side...

1 Answer

Appears to go into an extended defrost cycle.


Sounds like your freezer has a bad defrost thermostat ( bimetal ) or bad #4 and/or #5 thermistor . This bimetal , has a high temp rating of 140 degrees , which means , when it gets to 140 behind the panel , it will cut off the defrost heater , to keep ice and food from thawing . The thermistors , tell the main control board the temps , and it decides when to restart the cooling process . I would check the thermistors by the digital controls , in the test mode , or have a technician check them for you .

Sep 12, 2009 | GE Refrigerators

1 Answer

Freezer coils frost up within minutes after being turned back on


Your evaporator coils frost up in normal use and every eight hours or so the entire unit shuts down and the defrost heater comes on to melt the frost. This cycle last about 20 minutes. The melted frost drips into a drain pan and through a drain tube to the drain tray under the freezer/refrigerator where it's evaporated by the condenser fan.

If the evaporator coils behind the back panel of the freezer are icing up because of auto defrost failure that will stop the circulation of cold air and eventually affect the freezer too.

check defrost timer, defrost heater, defrost thermostat. In most newer models the timer has been replaced by an electronic control board. If the heater and thermostat are ok it’ll be the control.

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. If it doesn't, check the heater and defrost thermostat. Turn the timer again till everything starts back up to end the defrost cycle.

How to check everything
http://www.acmehowto.com/howto/appliance/refrigerator/refrigerator.php




Aug 31, 2009 | Bosch Classixx KGV28323 Bottom Freezer...

1 Answer

Our model is MCBR 415S. The top freezer acts as


You most likely have a bad thermostat control or a bad defrost timer.
Locate the defrost timer, probably inside the temp control panel.Defrost cycles should last 30 minutes then resume freezing.
Manually turn the timer control a 1/4 turn and see if it starts.
If so, replace the defrost control.

It could also be a bad temp control.
If the timer adjustment does not start the fridge. Tap the temp control. It may have stuck contacts.

Mar 10, 2009 | Magic Chef Refrigerators

1 Answer

Water was frozen all inside the freezer and fridge temp was high


Self defrost mechanism may have an issue. If it stays on too long you will have excessive temps build up in refrig as well as freezer. There is also a defrost thermostat that is supposed to turn compressor back on when temps get too high - check that out also.

Apr 14, 2017 | GE Profile PSW26P Stainless Steel Side by...

2 Answers

Freezer defrosts too long.


I might first suspect the defrost bi-metal thermostat located in the freezer compartment behind the interior panel. It's clipped onto the coils and is usually a little round disk with a couple wires coming out of it. The reason I susupect it is that little device is what "opens" to kill power to the heater once the temps get hot enough to have finished melting the ice on the coils. If that is stuck "closed" or opens WAY out of it's heat range then the heat element will stay on way too long. Next is the actual defrost timer which can be a clock type timer or a circuit board. If you go to this site use GSS22JEM for the model number. Item 240 is the bi-metal, 241 is the thermistor sensor. http://www.partselect.com/Schematics/GE/00113124i06.gif Item 801 is the control board. http://www.partselect.com/Schematics/GE/00113123i02.gif

Jan 28, 2007 | GE GSS22JEMWW Side by Side Refrigerator

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