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Freezer keeps burning out defrost timers - Refrigerators

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  • Refrigerators Master
  • 44,232 Answers

Then I would suspect the heating element

Posted on Apr 21, 2015

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Posted on Jan 02, 2017

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aborcass
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SOURCE: Freezer/refrigerator compressor running constantly

th ebi-metal is a thermostat which shuts the defrost heater on/off, but doesnt actually put the unit into defrost. if it were bad the defrost heater would never go on resulting in massive build up of ice on back wall of freezer, and noticable refrigeration sect. cooling.. dont know how you know the compressor never shuts down, but if that the case perhaps you have a sealed system/ freon issue. try removing the back panel of freezer section and check the evaporator coil. you shuld have an even frost pattern over the entire evap coil. if theres just frost over the top 1or 2 coils, and the rest of coil is shiny aluminum , thats an indication of a sealed system issue.( 5 year part warr by manufacture) def not a do it yourself issue...but that would,, depending on extent of restriction/loss of freon,, cause freezer to freeze and defrost eratically,and the compressor would be running constantly trying to achieve a good stable temp

Posted on Apr 02, 2008

  • 1 Answer

SOURCE: how do i locate the defrost timer on my refrigerator?

I'm having the same problem.I checked out my fridge and found the defrost heater bad. I replaced it and also replaced the defrost thermostat. It fixed it for about 4 days and then the problem reocurred. I strongly believe that one of the relays that are built into the circuit board are going bad or getting stuck. I just hate to replace the board and have the same problem again. But, i have already replaced all other components of the defrost system, so the circuit board can only be the problem. I'm going to give it a shot.

Posted on Oct 20, 2008

  • 93 Answers

SOURCE: Need to Replace Defrost Timer

check bottom back left should be a small hole with a small plastic place to turn with a srew driver some are insidethe fride on the left side arond where the lite is if you see a mall plate with a srew open it it should be there thanks from gilles

Posted on Mar 15, 2009

  • 1218 Answers

SOURCE: Refrigerator keeps running

Good day,
Timer is O.K. It's doing what it should be doing. Likely the defrost thermostat mounted on the top of the cooling coil has failed. I't's a round 1" disk clipped to the top of the coil, with 2 wires coming out of it.
Remove rear panel in freezer panel to access the tstat. Could be the main calrod heater as well, but it rarely fails.

Posted on Mar 11, 2010

SOURCE: my tfx20 fridge, keeps icing up in the freezer.

If the frost builds up on the evaporator coil, sounds like the defrost heater may be out. Check continuity.
If the frost buildup anywhere else - there must be an air leak somwhere. Usually it's the gasket or the ice dispenser flap stuck open.

Good luck!
Vlad,
First Choice Appliance

Posted on Jun 02, 2010

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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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Check freezer fan is working.If ice formed over freezer fan by working. It's a common problem due to irregular defrosting. Keep freezer setting temp at 5 degree. And check defrost timer, thermostat,heater are working properly.
Turn timer with small tip screw driver to shut off fridge. If not shut off, replace timer. Turn counter clockwise defrost thermostat. If fridge not shuts off replace defrost thermostat.Check heater by join the 2 wires in the defrost thermostat. And after 1 minute, unplug power and keep your arm on heater. If it's warm heater is o.k. Otherwise, replace heater.
Once heater starts work at regular interval controlled by thermostat and timer, defrost will be good and effective cooling will also be in fridge compartment.

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Hi, The defrost heater may not be working properly (timer stuck, heating element burned out, bad defrost thermostat,etc.). The unit should go into defrost mode about every 6-8 hours typically and last about 30 minutes (depending on model of freezer). During defrost cycles the compressor and fan do not run (don't want to keep cooling while trying to defrost). Once defrost is over, the fan and compressor get power again.
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1 Answer

Fridge freezer problem


Sounds like the defrost system of your freezer is not working. It could be either the defrost timer, defrost thermostat or the heater has a problem. The defrost timer turns off the compressor periodically to sent power to the defrost heater via the thermostat. The defrost heater then powers up and heats the evaporator coil to melt the accumulated ice buildup on the cold coils. Most likely issues are that the timer motor is not advancing the timer or the heater itself has burned out.

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1 Answer

Fridge keeps freezing.


its not going into auto defrost the cause is either the freezer fan jammed or burned out the defrost timer but in 99% cases its a burnt out defrost element id start there replace it

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1 Answer

Manual for defrost timer model# T000067709 a defferent timer was installed ,but now installing the right one need know the wiring for new timer


Hi, installing a defrost timer is not difficult if you know what the wires represent. Since you don't have a manual and you are removing the timer that was put on in place of the original one, I would call the manufacturer of the freezer for help on this. If you mis-wire it, you can burn the motor for the timer out. The freezer it self should have a schematic diagram pasted on it showing the wiring for the defrost timer? Check on it and see. Keep me posted and I will continue to look for one.
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1 Answer

I have to keep the temperature turned up to 9 in order to keep the food at 45 degrees. The fridge is only 3 years old.


If it's the freezer control you keep at 9, it's probably a defrost problem. 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.


If it's the fridge temp control you're talking about 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. There is a flap you adjust with the fridge temp. control. Make sure it's opening and closing when you adjust the fridge temp ..

Aug 15, 2009 | Refrigerators

1 Answer

Freezer motor keeps freezing up


Sounds like a defrost timer.Also it can be a defrost thermostat.Try to adcance the defrost timer to a defrost and see if it melts the ice off.If so then i would say you need a defrost timer hope i helped:)

May 10, 2009 | Freezers

1 Answer

Freezer drain


I thinkyou just need to take a look at replacing the defrost timer. Sounds to me as if the defrost timer is malfunctioning. It's an inexpensive part considering the cost of replacing an burned out unit or even a reapirman bill. Check into that first, let me know if you require more assistance.

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