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The freezer keeps building up with excessive frost. A repairman has been to my house 3 times in 2 months. He replaced the control board and defrost control. It built up with frost within a week. He said they sent him the wrong model # and replaced the defrost control again. This time the frost built up in 2 days. He came again today and he has no idea. He and LG said they have never seen it. Hope you can help!!!!!

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Check defrost heater and thermal fuse in series with it

Posted on Aug 21, 2008

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Hotpoint Future fridge freezer - freezer working well but top of the back of the fridge has a large build up of ice ??? And doesn't appear to be keeping the food cold enough


here are lots of things that can cause cooling problems. One of the most common causes of poor cooling in a frost free refrigerator is a defrost system failure. In such a case one or the other compartment may appear to be keeping proper temperature but that too may change in a short period of time. The fridge compartment's temperature rise is usually (but not always) the first to be noticed. Frost" and "Ice"
There is a difference between "frost" (a white, snow-like substance) and "ice" (usually clear and solid). When referring to what is seen during an inspection, please keep this distinction in mind as the possible causes for each are often very different. The Defrost System
Inspecting the (usually rear) wall of the freezer compartment for a frost build up is necessary. (In the case of many GE top freezer models, check the freezer's bottom panel.) If there is a frost coating on it, it is often a sign of excessive frosting beneath it. Sometimes however the evaporator cover panel will actually need to be removed (see the illustration below) before an excessive frost build will visible.
The refrigeration system's evaporator (cooling) coil is usually in the freezer compartment. This evaporator will periodically frost over and have to be defrosted by means of a heating system. When the defrost heating system fails, the frost can accumulate to such a degree that airflow throughout the appliance is hampered. There may be just enough air circulation to cool the freezer section but that will eventually stop too.

Sep 28, 2016 | Hotpoint Refrigerators

1 Answer

Whirlpool Refrigerator Model No. WRN28RWG6


if the flap was open then truely excessive cold air is coming out/escape from the freezer causing no freezeing. you need to defrost your fridge.

Note also that frost build up increases time to freeze your food on the freezer. it also causes your fridge an increase in electricity consumption.

defrost your fridge for some time ti remove the frost build-up.

Nov 19, 2007 | Refrigerators

1 Answer

Have a ge model # GTH21KBXAWW. The freezer works fine. The bottom half does not keep cold.


Freezer is cold but refrigerator is warm
  1. Evaporator coils are frosted over
If your issue is that the freezer is cold but the refrigerator is not as cold as it should be, the first step is to check the defrost system for problems. A key indicator in determining if perhaps you have a refrigeration defrost problem is visible frost on the evaporator coils. If your unit has frost you will need to check your defrost heater assembly, the defrost control, and the evaporator fan motor for a malfunction. Replace any erroneous parts as necessary.
  1. Damper
If your issue is that the freezer is cold but the refrigerator is not as cold as it should be, the damper door could be broken or jammed. The damper is a door that opens and closes to allow cool air to flow from the freezer into the refrigerator unit, and if it fails to operate correctly, not enough cold air will enter the refrigerator to keep it cold. The damper can be replaced if it is no longer operating properly.
  1. Thermistor
If your issue is that the freezer is cold but the refrigerator is not as cold as it should be, the thermistor connected to the control board might be defective. The thermistor is a sensor that examines the temperature inside the unit. If the part is defective, the refrigerator could not cool properly.
  1. Temperature control board
If your issue is that the freezer is cold but the refrigerator is not as cold as it should be, the temperature control board could be at fault. The temperature control board distributes voltage to the fan motors and compressor to keep them functioning. This board is very often misdiagnosed as the culpable cause and it is recommended to proceed with the troubleshooting process of elimination prior to replacing this part.
  1. Defrost thermostat
Another issue that can cause your freezer to be cold while the refrigerator is not as cold as it should be is the defrost thermostat. In order for the defrost heater to activate to melt away any excessive frosting on the evaporator coils, the defrost thermostat must sense that the temperature is cold enough to activate the defrost heater. Without this continuous cycle, the frost will excessively build up on the coils and prevent proper air flow inside the unit. The defrost thermostat can be checked for continuity with an ohm meter; if it's not present, the thermostat will need to be replaced.
  1. Main control board
A possible cause for a freezer that's cold but refrigerator that's not as cold as it should be is the main control board. The main control board acts as a "brain" for the unit, controlling the defrost cycle, compressor, and run time. However, it is an uncommon cause for this issue. This board is very often misdiagnosed as the culpable cause and it is recommended to proceed with the troubleshooting process of elimination prior to replacing this part.

Feb 25, 2015 | GE Refrigerators

1 Answer

LG 262SQA Model fridge cannot cool


That does not look like an LG model number, but regardless, it sounds like the defrost system is not working, allowing frost to build up and block air flow over the cooling coils in the freezer (where all the cooling for the entire refrigerator takes place). Take back panel off inside freezer, melt frost / ice with a hair blower. Test for continuity through defrost heater and replace if "open". If it was OK, problem could be deftost control, or as simple as a door not fully closed at some time, allowing excessive frost build up.

Nov 18, 2011 | LG Refrigerators

1 Answer

My ice maker not making enough ice . I have already check the water. thank you


When an icemaker slows production, the problem is not the icemaker at all but the temps in the freezer warming up because of an airflow problem either in the freezer compartment evaporator coils or underneath the unit that being the condenser coils. (Fan not working or lint blockage)
Airflow problems in the freezer compartment are caused by the fan or the automatic defrost system not functioning properly so yu end up with an ice block / lots of frost in the freezer compartment on the back wall of the compartment.

Check for ice or large amounts of frost in the freezer compartment. If you note ice / excessive frost, unplug the unit, empty the freezer compartment and do a manual defrost by directing an external fan into the compartment for just over 2 hours. This will ensure the evaporator coils and the freezer compartment drain have thawed. While the manual defrost is in progress remove the rear fiberboard cover from the compressor access and check / clean the condensor coils and fan area.
After 2 hours clean up the excess water.. reassemble the rear cover and return the unit to NORMAL service. It should start making lots of ice in 4 to 6 hours. Here is the kicker... if there is an auomatic defrosting problem your icemaker will after 2 - 3 days again slow ice producion and ice will build up in the evaporator area. You will have to keep repeating the manual defrosting process every 3 to 4 days until the automatic defrost system is repaired.

There are 3 main components of the Automatic defrost system:
1. Defrost control
2. Defrost heater
3. Defrost thermostat or depending on type thermistor

Most of the time the problem is either the defrost control or the heater that fails and the unit stops defrosting.

Your parts can be found here:
http://www.searspartsdirect.com/partsdirect/part-model/LG-Parts/Refrigerator-Parts/Model-LSC26905TT/3204/0165000

Thanks for choosing FixYa,
Kelly

Jun 23, 2011 | LG LSC26905TT Side by Side Refrigerator

2 Answers

Frost is building up in bottom freezer. Amana ABB2224DEW


I have this problem as well, only nobody is leaving anything open. The defroster is defective of these things and the duct between the fridge and freezer gets frozen over and the cold air can't get in the fridge, so the freezer keeps working until it's blue in the face.

Apr 19, 2010 | Amana ABB2224DEW / ABB2224DEQ / ABB2224DEB...

1 Answer

Amana French Door fridge not cooling


you have a problem here
you need to get the secondary defrost kit installed
it is not the jazz board
unless he is not programming it right aftwer install
but check your back wall for frost
if you have frost you have an airflow issue
whats happening is the door is being left ajar even a 1/16 gap is an issue
when hot air enters the unit fromn the gap it condenses on the diverter behind the freezer wall
after a few weeks it builds up enought o cause problems
there is a kit you can get that will divert electrical heat to the diverter and keep it warm enough to defrost it there by never having the issue again

Oct 07, 2009 | Amana Easy Reach AFD2535DE Bottom Freezer...

2 Answers

Freezer building up with frost


Sounds like the defrosting system has a faulty timer/board, faulty heating element or bad electrical connections to these components.

More info, let me know...

Charlie

Aug 23, 2009 | Amana 22.6 cu. ft. Side-By-Side...

1 Answer

WR55X10697 unit will not defrost


GE's which use these electronic control boards are very temperamental and are susceptible to power surges and brown outs, etc. In addition, there could be another problem causing it to build excessive frost. Defrost heater and/or thermostat (bi-metal). I recommend calling and experienced technician.

Aug 10, 2009 | GE (PSS26MSRSS) Side by Side Refrigerator

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