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Model # FRT04LG3DW freezes up and blocks air flow to bottom of unit. It should be frost free.Where is the sensor for this and how should i check it?

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Sounds like a defrost problem. Check to see if there is any frost buildup in the back wall of the freezer. If so, it is not defrosting as it should.

  • possible causes:
  1. bad defrost timer
  2. bad defrost heater (in freezer)
  3. bad thermo switch in freezer

Posted on Jun 28, 2008

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2 Answers

Freezer side not freezing


Check for ice / frosting inside the freezer .... If present you probably have a defrost problem.... This causes the freezer coil to ice up and block the air flow ... the causes could be a bad defrost heater , defrost timer, defrost sensors, or control board. Also make sure that the condenser coil is clean. remove ALL dust with a vacuum and a coil brush .the coil is located either on the bottom or on the back side of the unit... You didn't give the Make and model #

Apr 04, 2014 | Freezers

1 Answer

My freezer is freezing like it should. The fridge however is warm. What would be the problem?


Be sure there's no excessive frost on it cause it may weaken cold air flow around.
Also do not load your fridge with too many unnecessary food stuff.
Arrange food stuff in order and do not block those air vent flowing that will hindrance flow.
Check if the fan is running smoothly.
Thanks, it's a pleasure to help you.

Jul 01, 2011 | Kenmore 73502 / 73504 / 73509 Bottom...

1 Answer

Can i turn the freezer part of my fridge of so i can defrost the bottom part n leave the top part on , i have a zanussi electrolux


no your model is a single compressor which runs both frdge and freezer.. freezer is supposed to be frost free however freezing elements can be overwhelmed with frost if door has been left open. there is a drain hole behind the back panel of the freezer that can block or freeze up causing water to flow in tp the freezer and turn to ice. complete defrost and check that drain hole is clear to fix it.

Jul 24, 2010 | Zanussi ZEBF250W Bottom Freezer...

1 Answer

Bottom freezer model.. looks like shaved ice all over inside.. not sure why it is frost free...


u most likely have a defrost component out that is causing ice buildup. this will start blocking the flow of air and cause cooling problems. usually it will be one of 3 things. defrost heater, bi metal defrost terminator or defrost timer or on some units an adaptive defrost control. this problem takes about 7 - 10 days to start causing a problem. removing all frost behind panel will buy you as much time.

Mar 03, 2010 | Refrigerators

1 Answer

Not freezing not cooling. Icing up at bottom


Sounds like you have a side by side ?
The frost build up sounds like you have a defrost problem. What this means is that your frost fee freezer is not defrosting your machine and is overheating the compressor and blocking the air flow to the freshfood side.

There are three things in the defrost system
1. the heater : located behind the back wall, most of the time at the bottom.
2. The limiter : located on the evaperator behind the back wall
3. Defrost timer : located almost anywhere...lol

you didn't provide me with a make or model so i cant look anything for your machine.

any of these componets could be bad if your defrost system failed.

Jan 09, 2010 | Refrigerators

2 Answers

Thaw's. Turn-off for period of time it would freeze as normal


Make sure nothing is inhibiting air flow. I don't think it is advisable to store food in an ice machine however that is not likely the problem unless the food itself is inhibiting air flow. Most ice machine manufacturers recommend against storing any food in an ice machine. If there is a freezer component in you model the check to see if the evaporator coils are frosting up and the frost is blocking airflow causing the ice storage chamber to get warm. High humidity can cause frosting. Leaving a door to the ice maker open too long can cause frosting. A low refrigerant charge can do this although it seems logically like it should not. With a very slightly low charge one end of the evaporator gets super cold and the other end is not cold enough. Frosts starts collecting on the super cold end and accumulates across the evaporator coil to the other end eventually blocking all air flow. With too much humidity from open doors frost accumulates over the entire evaporator evenly but still blocks. You shut the unit down. It thaws out and works OK on restart until frost again builds up. If its not a frosting problem but it just stops making ice then the ice may not be releasing. Check the water supply and change any filters to insure good water flow. A good water supply is required for proper release and harvest of the ice in many ice machines. If the ice doesn't release it takes a shut down and thaw to clear the suspended ice out. Check for these things and write back if you need further assistance and can provide me with more details.


Jan 19, 2009 | Hoshizaki Freezer Commercial Ice Machines...

1 Answer

Ice build-up


Defected DEFROST HEATER can cause frost build up on the panel at the back of the freezer,and freezer stop cooling and ice frozen on unit so air could not flow to refrigerator side.Water will coming out caused of unbalanced freezing,and causing the flooding of water in the floor. You must change this defroster heater assembly so it will works normal again..


Hope this may help;

Regards,
VOTIT

Sep 22, 2008 | Frigidaire 20 cu. ft. / 566 liter Upright...

1 Answer

LG frost free fridge freezer GR-359sq


defrost drain is blocked - probably with ice. take the back panel off inside the freezer and melt the ice off with a hairdryer then follow up with hot water till it flows away freely. this takes some patience. if fault reoccurs then get back to me

Aug 27, 2008 | Freezers

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