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Defrost not cycling

Have a GE side by side. Model on back says TFX22PME. The coils in the freezer continually freeze up. Does not appear defrost is cycling. The fridge part will not stay cold. Milk goes bad in less than 3 days. I need to know WHAT part needs to replaced so that my defrost cycle will work properly. Thank you

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Pull the temp dial off inside the fresh foods section and then take the plastic light shield off. You should see a hole in the metal control housing now, on the right side, about the size of a nickel. There is a plastic part in there that you can turn with a flat blade screwdriver. Turn it very slowly clockwise until you hear a click. (Refrig should now be in defrost) If refrig turns itself back on before an hour is up, timer should be OK and I'd check the defrost heater WR49X391 for continuity. If refrig takes a hour or more and has not turned back on, manually turn the part again slowly until it clicks again and the refrig begins to run again. Order a new defrost timer WR9X502. Doors left open or bad door gaskets can also frost up a refrig and would require appropriate action to correct those situations.

Posted on May 11, 2009

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Hi. the Defrost timer assembly has failed. simply replacing this timer will fix the defrosting issue.

Concerning the refrigerators cold control. this is caused by a malfunctioning Temperature control assembly. simply replacing this device will fix the erratic cold control.

Now, i would inspect the compressor for its operational value before purchasing a temperature control assembly. If the compressor isn't cycling on and off and if it is making a very loud noise or pinging, this will confirm compressor failure. you will have to replace the compressor in this case.

If the compressor is coming on in a cycle and powering off without any abnormal noises, this will confirm temperature control failure. replace the temp control assembly in this case.

I will post the parts need below so that you may order the affected parts on line if you choose.

Temperature control assembly.
Defrost timer module.

Please rate and god bless:)

Posted on May 11, 2009

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My ge side by side refrig freezer gets on the auto defrost cycle in the freezer and then all the ice cubes in the ice maker freeze into a solid ball of ice. The ice maker does not work after that. Why does...


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(disconnect the two wires plugged into it and twist them together) the thermostat to see if the heater comes on then. If it does then you know the thermostat is bad and needs replaced.

Nov 02, 2010 | GE Refrigerators

1 Answer

Freezer part of my amana side by side is cold but not freezing


DEFROST PROBLEM
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(disconnect the two wires plugged into it and twist them together) 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.


Part 1541 on this diagram is your timer. It's under the front behind the kick panel. http://www.appliancepartspros.com/partsearch/model.aspx?model_id=21463&diagram_id=646025#d646025

Apr 24, 2010 | Amana SXD524VW Side by Side Refrigerator

1 Answer

I have a ge side by side, its a year old. It freezes up, i unplug and let it defrost, then it works for about 5 days and freezes up again.


Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";} 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.

Dec 05, 2009 | GE GSS20IEP Side by Side Refrigerator

1 Answer

Ge frig does not freeze on freezer side


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

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.

Aug 25, 2009 | GE (PSS26MSRSS) Side by Side Refrigerator

2 Answers

GE side by side. The freezer will freeze up with


Replace the defrost heater, located at the bottom of the cooling coils, behind the back wall of the freezer.

Aug 04, 2009 | GE (PSS26MSRSS) Side by Side Refrigerator

1 Answer

My ge side by side fridge freezer coils in back of freezer keep freezin up what could it be i can fix it but havin hard time trubble shootin it?


if your freezing up then your unit is not going through defrost cycle. usually with ge refrigerators its most likely the defrost heater. but check and verify defrost timer and thermostat

Jun 22, 2009 | Freezers

1 Answer

Evaporator coil freezing over


You are probably correct, the auto defrost sub-system is faulty -- and probably the timer. You'll have to take the back panel out of the freezer to see the defrost timer.

Apr 29, 2009 | Refrigerators

1 Answer

GE TFX20JR BK WW side by side won't cool or freeze


First point: The entire fridge is cooled by the freezer section. A fan blows air across to the food section.
2) Every 8 hours or so, a timer shuts off the compressor cycle, and starts up a heater to defrost the freezer coils. If the heater(s) are burnt out, or if the safety thermostat (to prevent overheating) is open, then you will have no defrost. The coils will frost up and eventually prevent airflow to the food section. Milk goes sour.
3) In rare circumstances, the timer itself can stall. This cause the same symptoms as above, but this is not as common as the other 2 causes of No Defrost.
Sequence: Check heater continuity. Check safety thermostat continuity while cold. Check defrost timer operation.
Hope this helps. I am a journeyman with 39 years exp. Happy New Year.

Dec 24, 2008 | GE (PSS26MSRSS) Side by Side Refrigerator

1 Answer

GE model gss side by side refrigerator


I ASSUME YOUR TALKING ABOUT THE COILS BEHIND THE BACK OF THE FREEZER ..IF SO YOUR UNIT IS NOT GOING THROUGH THE DEFROST CYCLE BECAUSE OF A BAD HEATER OR BAD DEFROST TIMER OR BAD DEFROST T STAT .YOU CAN FORCE IT INTO DEFROST BY PUSHING THE FRESH FOOD DOOR SWITCH THREE TIMES IN 15 SECONDS IF YOU HAVE AN ADAPTIVE DEFROST TYPE OF DF CONTROL(ELECTRONIC TYPE).

Apr 02, 2008 | Frigidaire FRS26ZSG

1 Answer

Frozen Freezer Coils


all of the above the heater is on the coil you will seethe wires the therm. is on the top of coils timer could be at lower back of refrig.

Nov 15, 2007 | GE GSS25JEMWW Side by Side

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