Question about Frost Refrigerators

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We have replaced the defroster mechanism in our side y side now there is frost on the cover of the freezer.

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  • Frost Master
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Fridge freezing up- and no fan or air circulation:

AT TIMES The fan usually stops working due to ice obstruction when the defrost terminator has gone out and u get ice build up? u can check the terminator with a multi meter for continuity but do not check at room temperature. stick the terminator in cup of ice water for 20 minutes then check it for continuity, should be closed when cold and open at room temperature.
May also need to check the defrost timer, u can get by and test manually by placing a small screw driver into the tiny slot or hole underneath the timer and turn slowly clockwise till u hear 1 click. this will engage ur defrost cycle in about 15 minutes u should be able to come back and feel the heat in freezer as it melts the ice providing ur terminator is not bad?
Another way to test it is with a multi meter. Remove timer it from fridge and you will see 4 prongs numbered 2,1,4,3 in that order. Place ur meter prong on prong 1 & 3 (if your fridge has a capacitor wired in series with the windings, then u check for micro fares rather than OHMS) If u cannot confirm this test, still try the next.
Take ur meter prong and connect to prong 1 & 4, it should read resistance or ohms ( closed) now remove prongs and place on prong 1 & 2, this should now read infinity or open (no ohms) now take a small screwdriver place it in the tiny hole or slot under the timer. Turn it clockwise slowly till u hear 1 click. Now ur 1& 2 should read closed ( showing ohms or resistance) now place meter prongs on 1 & 4 and you it should now show open ( or no resistance - no ohms) this is how u know ur timer is good, Remember when testing for ohms ADJUST meter to use a high ohms rating in the thousands as the resistance is very high in OHMS. And adjusting to low ohms rating may give a false reading or not show the proper resistance..

Another item to check with a meter is the heating element itself. Located under the evaporator coils. It should show continuity or resistance OHMS WHEN TESTED AT BOTH ENDS OF THE PRONGS .

Lastly check the cold control thermostat with a meter for both OHMS and volts ( VOLTS is a live test with fridge plugged in so be careful) It must show 110 volts. An open or thermostat that reads infinity will not allow the proper cooling and defrosting cycles to operate and may in fact stop anything from happening as if there is no power to the unit?

ALSO CHECK THE AIR FLOW VENT SYSTEM and THERMISTORS At times it can get stuck to far closed or open. Some units feature a digital electric adjusting vent system while others are manually set. Check for any ice build up or other obstruction in the vent damper, see if u can manually open or close it. Some times when u have the settings set to the highest it closes off one area while allowing to much cold air flow to the other area!
THERMISTORS in the freezer and fridge section for continuity OHMS and for amount of OHMS current being put out. In most models around 1300 ( give or take 150 ohms) ohms is required



Posted on Apr 21, 2015

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Posted on Jan 02, 2017

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I have a side by side jennair refrig freezer. The bottom is cold on both but not on top any suggestions


You have a defrost problem. There are only three components that make up the defrost system in a refrigerator, the defrost heater, the defrost thermostat and the defrost control board or defrost timer. The best and easiest way to check the defrost system is: Remove the evaporator cover (freezer section back wall) and check the defrost heater and defrost thermostat for continuity with an ohmmeter. Check the defrost thermostat while it's covered with frost. It needs to be below 40*F to show continuity. If both check OK for continuity, the defrost control/timer has failed and must be replaced. On your model the heater never goes out and it's common for the ADC to fail. Once you determine which part needs to be replaced, defrost the entire evaporator with a hair dryer and get all the frost out, replace the cover back over the evaporator or the unit will not cool properly. The refrigerator will work normally until you replace the part. It takes a couple weeks to build up with enough frost to start affecting the cooling again

Jun 20, 2017 | Refrigerators

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Hss25gfpd freezer not freezing


when you had the back wall off how did the evaporator coil look?was the frost pattern even all over the coil or just on the top or bottom,if it didn't have an even frost pattern covering the whole coil you have a freon leak and will have to replace the machine.it will just keep getting warmer

Jul 08, 2012 | Hotpoint HSS25GFP Side by Side...

1 Answer

Where is the defrost ti mer for a hotpoint side by side refrigeater


hi.without going into minute detail most defrost timers r behind bottom plinth or inside refrigerator control panel cover if it is a mechanical timer,otherwise PCB.GOOD LUCK.

Jun 18, 2012 | Hotpoint 18.2 cu. ft. Top Freezer No-Frost...

1 Answer

My food in my freezer is getting fuzzy with frost, why??


if thers warm air leaking into the freezer this will happen,but if the rear inside wall of the freezers covered with a icy/frosty covering too,this indicates a defrost problem,remove rear wall inside panel in freezer and defrost with a handheld hair dryer,then test the defrost heater and thermostats both located on the evaporator coil thats frosted over,its most likely one of these or possibly the defrost A.D.C. control

Feb 15, 2012 | Kenmore Side by Side Refrigerator

1 Answer

Fghs2665kf2 side by side freezer works fine fridge side warming up


Hello,
The leading cause of the refrirgerator not working while the freezer is is good,is a defrost problem,do you see a bunch of frost built up on the back wall inside of the freezer?? If yes ya see frost build up of frost in the freezer it will be a problem with the automatic defrost system. This tip i wrote covers what to check when it isn't defrosting by itself.
http://www1.fixya.com/support/r10097882-wrong_when_freezer_frosted_refrig_warm



GENE

Oct 08, 2011 | Frigidaire Side By Side Refrigerator 26...

1 Answer

The ice maker is not working and the freige is not getting cold. everything is defrosting


first check the inside rear wall of the freezer for frost buildup,if the wall is frost covered remove this cover and defrost the evaporator coil,then remove and replace the heater located under the coil,if no frost on this wall,then replace the ptc overload relay on the compressor as this will be your problem

Aug 07, 2011 | GE GSL25JFPBS Side by Side Refrigerator

2 Answers

Defrost not working heavy ice build up around coils


Hi

Frost is a natural occurrence on the evaporator coils in the freezer compartment of your refrigerator. To prevent frost buildup, a self-defrosting refrigerator warms the coils using a defrost heater several times each day to melt away the frost. This frost melts into water and flows out of the compartment through the drain. If any part of the defrost system is not working properly, the result can be heavy frost buildup that may affect the cooling capacity of the refrigerator.

The defrost timer is a mechanism that tells the defroster how long to run to melt the frost. The limit switch measures the temperature in the freezer and helps to maintain it, while the heater is the key element that melts the frost. Any one of these components could need replacement at a given time, which will result in this over-frosting.
Also check this bellow link:-

http://www.ehow.com/how_4504020_test-refrigerator-defrost-timer.html

Please get back to us if you have further query else please accept the suggestion.

Thank you for contacting fixya.com

Mar 01, 2011 | Samsung RS2530BBP (25 cu ft) Side by Side...

2 Answers

What if both sides of the refrigerator is not getting cold?And the back of the freezer side has frost.


Defrost problem. Either the defrost thermostat, defrost heater or defrost control board needs replacement. The defrost heater has to have continuity. The defrost thermostat has to have about 0 Ohms while it's cold. If both test out ok - replace defrost control board.
Part locations: Defrost heater and thermostat: under your frosted cover; control board - left upper corner of fresh food section, under the damper cover, in the middle.
Part numbers:
240554502 - control board
5303918255 - defrost heater kit
Can't find the part number for the defrost thermostat

Oct 17, 2009 | Frigidaire FRS26R4A Side by Side...

1 Answer

Refrigerator not cooling


unplug appliance, melt ice on back of freezer, remove panel rear of freezer, find leads to defrost heater and test with a multimeter, if you have condinuity replace defrost termostat, if no condinuity replace defrost heater. after removing panel you will have to melt ice in rear with heat gun before testing.

Jun 22, 2009 | Admiral Refrigerators

2 Answers

Freezer Side is fine bit refrigerator side isn't cooling. Vents have been cleaned.


Pretty common problem among refrigerators. Look to see if you have frost on the rear wall of the freezer just above the lower basket. If you see frost on the rear panel, it most likely has about 3 to 4 inches full of frost on the coils behind that panel. If it does, you will have to remove the lower rear panel, and defrost the coils until they are clean, just like it was at the factory new. Once those are cleaned of frost, you should replace the defrost heater at the bottom of those coils. Some GE's have a kit that has a heater and a defrost thermostat all in one, and some do not. Some only come with just a heater replacement. If it comes only with the heater, you must also order a defrost thermostat, which is positioned above the coils, also. They both MUST be changed.

The other thing is to make sure that the fan inside of your freezer is working properly. The fan motor, and the defrost heater assembly are very common problems. Your refrigerator will work fine if you find out frost was the problem here, because the fresh food side gets its cold from the freezer side. If it is plugged with frost, the fan can't push air through the coils to the fresh food side. Hope this helps.

May 21, 2009 | GE GSH25JFR Side by Side Refrigerator

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