Question about GE GTH18HC 18.1 cu. ft. Top-Freezer Refrigerator with Adjustable Glass Shelves, and Upfront

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Where is the defrost timer on a ge top freezer GTH18HC?

Can't find it behind the back panel. Can't find it in the control panel inside the fridge. This model doesn't have a kick plate on front. Don't know where else to look. Thanks.

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  • tomberch1 Jul 13, 2013

    This thread answered my question...there is no defrost timer on this model

  • tomberch1 Jul 13, 2013

    Add a Commenthttp://www.fixya.com/support/t17473057-ge_refrigerator_top_freezer_frosting

  • tomberch1 Jul 13, 2013

    http://www.fixya.com/support/t17473057-g...

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

MNTECH
  • 1543 Answers

SOURCE: ge fridge

Most likely it is the defrost heater. (it's that thing at the bottom of the coils with two wires leading from it.) To test it for sure, you'd have to use an ohm meter, but many times you can visually see that the heater is bad. Defrost the coils with a hair blower. If you don't have the heater on hand, the refrig will work fine for a week until you can replace the heater.

Posted on Sep 20, 2008

  • 2 Answers

SOURCE: Need help finding the defrost timer in GE fridge !!

frigidaire Model frs22zrg Water leaking into the the dispenser (where you put the glass. Also the ice dispenser become iced and where the ice comes out.

The moisture is inside of the freezer part, may need a time or the heating coil is not working.

Posted on Aug 08, 2009

SOURCE: New defrost timer on fridge keeps tripping circuit breaker

Hello,

The problem is the defrost timer you just replace on your refrigerator, you will need to check the ratings on the broken defrost timer to ensure it matches the ratings on the present defrost heater on your refrigerator, beside, you will need to test the continuity on your present defrost heater to see if the voltage rating is ok, because, if it can be tripping the breaker off while it kicks into defrost mode signify that the present defrost heater is not compatible with your refrigerator, it is either it is not well wired or fixed, and if it is, then, it means the defrost timer voltage rating is low compare to the former, you will need to get exact specification as the the broken one.

Take care.

Posted on Jul 10, 2010

MNTECH
  • 1543 Answers

SOURCE: GE model # GSS25JFPHWW looking for the defrost

Defrost is controlled by the mother board, behind small rectangular panel on back of refrigerator. Part # WR55X10942 . (you can not use the board to manually defrost) If you are having a defrost problem, the most likely cause is the defrost heater (WR51X10055) and while you're at it, you might as well replace the defrost thermistor (WR55X10025) located at the top of the cooling coils. Manually defrost freezer by unloading freezer, removing shelves, and removing back panel inside freezer, then use hair dryer to melt frost. (you have to take those parts off anyway to get at the heater and thermistor)

Posted on Mar 31, 2011

Sea Breeze
  • 4654 Answers

SOURCE: I have a GE profile Fridg PSS26NSTASS where is the defrost timer located

The PSS26NSTASS does not have a defrost timer. The defrost on that model is controlled by the motherboard=> WR55X10942 Board Assembly Main Control On your model if not defrosting it will most likely be caused by the=> WR51X10055 Defrost Heater It also does not hurt to replace the=> WR50X10068 Defrost Thermostat
while inside freezer changing out the defrost heater. Click here=> PSS26NSTASS Freezer Components
In that photo location 230 is your defrost heater and location 240 is your defrost thermostat. Here is a=> PSS26 Service Manual if you don't already have Adobe Acrobat Reader Click HERE I will be here should you have any questions, Thanks Sea Breeze

Posted on Feb 17, 2012

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12-14 yr old ge bottom freezer. freezer is working, fridge is warm.


not all refrigerators are the same can you look inside the fresh food section around the door or on the back of the refrigerator and provide a model number?
Appliance 911 Sea Breeze

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I have a GE profile Fridg PSS26NSTASS where is the defrost timer located


The PSS26NSTASS does not have a defrost timer. The defrost on that model is controlled by the motherboard=> WR55X10942 Board Assembly Main Control On your model if not defrosting it will most likely be caused by the=> WR51X10055 Defrost Heater It also does not hurt to replace the=> WR50X10068 Defrost Thermostat
while inside freezer changing out the defrost heater. Click here=> PSS26NSTASS Freezer Components
In that photo location 230 is your defrost heater and location 240 is your defrost thermostat. Here is a=> PSS26 Service Manual if you don't already have Adobe Acrobat Reader Click HERE I will be here should you have any questions, Thanks Sea Breeze

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Is there any frost buildup on the rear panel inside the freezer? If so you have a defrost problem of a bad defrost heater, defrost thermostat, or defrost timer/ control board. If no frost then you probably have a clogged defrost drain. Remove the rear panel to access drain hole.

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My GE Profile freezer door won't open. I defrosted for a couple of days, wiped it down and turned back on, and it froze again.


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.

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.

Aug 30, 2011 | GE Refrigerators

1 Answer

I have GE profile bottom freezer ser# VG300188V. The thing freezes up about every 2 weeks, I have had a tec here 3 times, he thaws it out but he appears to be beat as how to fix it. rezes up so bad that...


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.

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.

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1 Answer

GE Profile Bottom Freezer Refrigerator (PFS22SISBSS) not cooling or freezing. Power is on, control panel works. Overnight, the temp went to 51 in refrig and 39 in freezer.


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.

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.

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1 Answer

GE model # GSS25JFPHWW looking for the defrost timer on this one is it behind the ice maker in the freezer


Defrost is controlled by the mother board, behind small rectangular panel on back of refrigerator. Part # WR55X10942 . (you can not use the board to manually defrost) If you are having a defrost problem, the most likely cause is the defrost heater (WR51X10055) and while you're at it, you might as well replace the defrost thermistor (WR55X10025) located at the top of the cooling coils. Manually defrost freezer by unloading freezer, removing shelves, and removing back panel inside freezer, then use hair dryer to melt frost. (you have to take those parts off anyway to get at the heater and thermistor)

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1 Answer

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2 Answers

Side by side refrigerator the refrigerator does not get cold but freeze works fine


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 fridge gets its cold air from the freezer through a vent(damper) between the freezer and fridge.The fan in the freezer blows air through it. Make sure this fan is running. You may have to hold the door switch in for it to run. There is a flap you adjust with the fridge temp. control. Make sure it's opening and closing when you adjust the fridge temp.
The problem could be the electronic control if you have one or the mechanical linkages.

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.

Jan 01, 2010 | GE GSS25JFM Side by Side Refrigerator

1 Answer

Auto defrost is broken


Find the defrost timer and turn it with a screw driver (will only go clockwise) until it clicks.n wait 10-15 min. If the defrost starts to work (Freezer will get warmer heaters kick on) the timer is bad. If not you will need to check the deforst heater (behind back panel of freezer) and thermostat (silver cylinder with 2 wires on the evap coil) The timer is eithr under the box behind the kick plate (clean the coil while you are there) inside the refrigerator (look in the top for a small hole with a funny knob) or back behind the frig near the compressor( clean here as well).

If it goes into defrost and defrosts, rotate the timer until it clicks again and the compressor should start again.

Most GE's have a diagram on the back that shows componet locations

Sep 22, 2009 | GE Refrigerators

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