Question about Zanussi ZEBF250W Bottom Freezer Refrigerator

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Ice build up on back wall of bottom freezer unit of Kenmore fridge

This is happening more frequently - at the vented area at the back of the freezer, ice starts to appear and it is not long before there is a solid wall of ice. This results in having to power off the freezer unit, move everything out of it to another freezer (fortunately we have one) and leave the door open until all the ice disappears. I then wipe it all down, turn the freezer back on - and have tried it at all the settings, from lowest to highest. It works for a period of time and then the process happens all over again. Any ideas of what to check would be most appreciated. The back is totally covered with a panel so cannot see any working area.

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Back panel removes.
problem is that defrost system is not working.
check defrost heater and thermal cutout in series with heater.
if those ok, then problem is probably with main module

Posted on Jul 06, 2008

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Kenmore model 795.71022.010 water builds up in the bottom of the freezer every two weeks I have to defrost the unit and remove the ice build up if I dont the door wont close


The fan unit behind the wall inside the freezer may have frozen over.
Even though you see no ice inside the shell of the freezer, it can still have blocks of ice behind the back wall.
So remove the 3-4 screws holding the back wall, remove it and check on the ice there.
Make sure it is completely defrosted or ice melted before reconnecting. Leave the wall off while you connect it to make sure the small fan is kicking in.
IF the fan does not kick in. you can get a replacement for $15-$20 at any fridge parts supply house. It is easy to disconnect and reconnect.

Jun 04, 2016 | Kenmore Refrigerators

1 Answer

Kenmore refrigerator ice build up bottom tray of freezer


check ur defrost system then


Freezer /fridge water/ice in fridge and or freezer

Usually due to CONDENSATION due to bad door seals or a plugged evaporator drain line? Can use a soft flexable tubing and very hot water to clean it out. Bad door seals usually need replacement, but u can use a blow dryer and something to pry it closer to the door wall while blowing hot air on to it. To create a seal, to test for bad door seals place a dollar bill in between the door and wall of fridge where it closes. Then slide out the dollar bill with door closed. It should offer some resistance and not be easy to pull out.
Most all fridges have a drain. Look inside your fridge for a "V" shaped channel with a small hole. This hole leads to a tube and a small pan which sits on top of your refrigerator's compressor. The defrost cycle causes water to run into the channel, down the tube, and then it generally evaporates with the heat of the hot condenser/compressor.
However, if that tube is clogged with food crumbs, particles , debris etc, you will have to clear it to get back to a normal mode of operation. A toothpick, pipecleaner, straw or a cotton bud can often do the trick.
Even a frost free freezer will still ice up at times in the areas away from the heated defrost area and the drain line can freeze. This icing causes the pipe work to the compressor to ice over or sweat and cause a puddle. Or if the drainage has frozen over, it will need to be de-iced. ( usually the line is under the freezer bottom plate covering. Towards the back of the unit) And there is another inside the fridge area also.
Give the freezer a good overnight defrost until it's totally clear of ice in addition to making sure the drain is clear to the pan at the back and then restart the freezer.

Aug 15, 2014 | Kenmore Refrigerators

1 Answer

Freezer is cold, but fridge isn't cooling, cleaned the coils underneath and the port between the freezer and fridge is clear of ice


Hello,

All of the cooling in refrigerators is normally done in the freezer compartment. A fan circulates cold air from the freezer into the refrigerator compartment to cool it. Most likely this fan has quit working.
Also note that,

If you have a Freezer on the top model Kenmore, with warm temps in the fridge, AND water dripping onto the top shelf of the lower fresh food compartment (FFC), this is usually caused by a clogged defrost drain. Since Kenmore is not an actual manufacturer of anything, they take other brands, i.e. Kitchenaid, GE, Frigidaire, etc., take their names off and put on a shiny Kenmore nametag. This is a common problem with Kitchenaid refrigerators. You can determine if your Kenmore is made by kitchenaid by looking at the model # tag. the first three digits will indicate the manufacturer, Kitchenaids begin with the sequence, 106.*.If this is indeed how your model # begins, keep reading. Since the water cant go down the drain tubing to the pan at the bottom of the unit, it builds up on the freezer floor, eventually blocking the air return vents from the fridge to the freezer, and the vent from the freezer to the fridge. YOu can check this very easily. Look at the ceiling of your FFC, near the back. toward the sides you will see two square holes, about 2" square, stick your finger and feel around the inside of those holes, do you feel any ice/frost, or do you just feel styrofoam, you might even see frost/ice below the level of your ceiling? This drain usually gets clogged with defrost water that does not completely drain, then of course it freezes, eventually plugging up the drian hole located at the level of your freezer floor, behind the back wall. The water keeps accumulating, and freezing, on the freezer floor, eventually filling in and clogging the air vents..no air flow , the fridge wont cool. The easiest way to resolve this, empty out all contents and store someplace cold for 24 hours...a 2nd fridge, outside in a cooler if its cold like here in chicago. After its empty, unplug, open both doors and blow a fan for 24 hours. Prepare for an abundance of water due to melting ice.
After you defrost, you can plug it back in and it will be fine, HOWEVER, I suggest you take the back freezer wall off, you might have to take a floor cover off first, likely 2-4 screws in both the floor and the back wall. When you have the evaporator exposed, you will see a black cal rod defrost heater underneath the evaporator, as well as your drain hole just to the right of center underneath both heater and evaporator. Take a piece of 12-14 gauge solid, not stranded wire, removing the insulation and exposing the entire 6-8" piece of copper wire. wrap the wire around the diameter of the cal rod heater, 3-4 turns should be sufficient, and stick the other end of the wire down that drain hole. This will melt any ice that will build up in the future, everytime your unit goes into defrost cycle, so this wont happen again.

If air vents are clear of frost/ice, next thing to check is the back wall of your freezer, does there appear to be frost/ice/snow on the back wall? If so, your unit is not defrosting. mostly, this is usually caused by your defrost timer, located in the canopy mounted at the top of the FFC on Top freezer models, or your defrost thermostat, which is clipped onto the evaporator coil inside your freezer. Again, if its a 106 model Kenmore, this thermostat will have a pink and a brown wire coming into/out of it. My suggestion, if it isnt defrosting, change both. tjhe defrost control will connect with a plug, but you will have to hard wire the thermostat, ( cut wires from old, strip wire, and connect using wire nuts and electrical tape.)

Since the unit is a side by side model, check for ice on freezer floor...clogged drain. Check again for frost/ice on back wall, not defrosting, check same two parts, (the heaters rarely go bad on Kitchenaids, but never say never) You should also check for air flow into fridge, even if no frost / ice visible on back wall. Open the FFC door, and locate the air vent near the top, back of the fridge, on the left wall. While depressing the door switch, AND WITH THE FREEZER door closed, put your finger/hand near that vent. Do you feel any cold air? If you dont, you could have a bad door damper, not uncommon, or a bad damper control--> the temperature control WITHOUT the off or "0" position.

If any of this seems a bit overwhelming, I suggest you have a reputable repair technician check your fridge.

Oh, and lastly, you WILL NOT have two compressors, one for each compartment, nor will you have two sets of defrost heating elements, one for each half.
ALL cooling for 99% of refrigerators made in last 25 years takes place in the freezer, with the fridge being an empty box, except for an air intake vent, and an air exhaust vent which leads directly back into the freezer. When a refrigerator unit seems to still be cold in the freezer, but not cold enough or not cold at all in the FFC, its ALWAYS going to be caused by lack of air flow. But as you can see, there are a few things that can cause that lack of air flow.Hope this helpout , Good luck

Aug 02, 2010 | KitchenAid Superba Architect KSCS25INSS...

2 Answers

My top freezer works but the refrigerator is not cooling


Hello,

If you have a Freezer on the top model Kenmore, with warm temps in the fridge, AND water dripping onto the top shelf of the lower fresh food compartment (FFC), this is usually caused by a clogged defrost drain. Since Kenmore is not an actual manufacturer of anything, they take other brands, i.e. Kitchenaid, GE, Frigidaire, etc., take their names off and put on a shiny Kenmore nametag. This is a common problem with Kitchenaid refrigerators. You can determine if your Kenmore is made by kitchenaid by looking at the model # tag. the first three digits will indicate the manufacturer, Kitchenaids begin with the sequence, 106.*.If this is indeed how your model # begins, keep reading. Since the water cant go down the drain tubing to the pan at the bottom of the unit, it builds up on the freezer floor, eventually blocking the air return vents from the fridge to the freezer, and the vent from the freezer to the fridge. YOu can check this very easily. Look at the ceiling of your FFC, near the back. toward the sides you will see two square holes, about 2" square, stick your finger and feel around the inside of those holes, do you feel any ice/frost, or do you just feel styrofoam, you might even see frost/ice below the level of your ceiling? This drain usually gets clogged with defrost water that does not completely drain, then of course it freezes, eventually plugging up the drian hole located at the level of your freezer floor, behind the back wall. The water keeps accumulating, and freezing, on the freezer floor, eventually filling in and clogging the air vents..no air flow , the fridge wont cool. The easiest way to resolve this, empty out all contents and store someplace cold for 24 hours...a 2nd fridge, outside in a cooler if its cold like here in chicago. After its empty, unplug, open both doors and blow a fan for 24 hours. Prepare for an abundance of water due to melting ice.
After you defrost, you can plug it back in and it will be fine, HOWEVER, I suggest you take the back freezer wall off, you might have to take a floor cover off first, likely 2-4 screws in both the floor and the back wall. When you have the evaporator exposed, you will see a black cal rod defrost heater underneath the evaporator, as well as your drain hole just to the right of center underneath both heater and evaporator. Take a piece of 12-14 gauge solid, not stranded wire, removing the insulation and exposing the entire 6-8" piece of copper wire. wrap the wire around the diameter of the cal rod heater, 3-4 turns should be sufficient, and stick the other end of the wire down that drain hole. This will melt any ice that will build up in the future, everytime your unit goes into defrost cycle, so this wont happen again.

If air vents are clear of frost/ice, next thing to check is the back wall of your freezer, does there appear to be frost/ice/snow on the back wall? If so, your unit is not defrosting. On most Kenmores, this is usually caused by your defrost timer, located in the canopy mounted at the top of the FFC on Top freezer models, or your defrost thermostat, which is clipped onto the evaporator coil inside your freezer. Again, if its a 106 model Kenmore, this thermostat will have a pink and a brown wire coming into/out of it. My suggestion, if it isnt defrosting, change both. tjhe defrost control will connect with a plug, but you will have to hard wire the thermostat, ( cut wires from old, strip wire, and connect using wire nuts and electrical tape.)

Since y ou mentioned the water accumulation, more water recently, my diagnosis would be the former versus the latter, as the lack of actual defrosting coincides with lack of defrost water, however I'll never say never.

If your unit is a side by side model, check for ice on freezer floor...clogged drain. Check again for frost/ice on back wall, not defrosting, check same two parts, (the heaters rarely go bad on Kitchenaids, but never say never) You should also check for air flow into fridge, even if no frost / ice visible on back wall. Open the FFC door, and locate the air vent near the top, back of the fridge, on the left wall. While depressing the door switch, AND WITH THE FREEZER door closed, put your finger/hand near that vent. Do you feel any cold air? If you dont, you could have a bad door damper, not uncommon, or a bad damper control--> the temperature control WITHOUT the off or "0" position.

If any of this seems a bit overwhelming, I suggest you have a reputable repair technician check your fridge.

Oh, and lastly, you WILL NOT have two compressors, one for each compartment, nor will you have two sets of defrost heating elements, one for each half.
ALL cooling for 99% of refrigerators made in last 25 years takes place in the freezer, with the fridge being an empty box, except for an air intake vent, and an air exhaust vent which leads directly back into the freezer. When a refrigerator unit seems to still be cold in the freezer, but not cold enough or not cold at all in the FFC, its ALWAYS going to be caused by lack of air flow. But as you can see, there are a few things that can cause that lack of air flow.


Hope this helpout

Aug 01, 2010 | Kenmore 20.6 cu. ft. Top Freezer...

1 Answer

Kenmore elite fridge. Bottom freezer ice builds


You have a bad defrost system on this unit, that's why you're freezing up. Call us with the model number and we'll get the correct part out to you right away. We hope to hear back from you soon.

Oct 09, 2009 | Kenmore Elite 22.4 cu. ft. Bottom Freezer...

1 Answer

Fridge not getting any air, freezer is working


I have a Kenmore w/ freezer on bottom. The top vent in the fridge is ducted to the freezer and is supposed to blow air. Mine was not.

I removed all the frozen goods and took off the back panel (inside to unit) which had a little ice on it. Underneath the panel was a solid wall of ice......including the motor which is supposed to blow air up to the 'fridge. I'd bet a beer that is your problem as well.

The ice seized motor will not be harmed because it is resistance loaded.

The best part is with a blow dryer and some elbow grease...the fix is free! I hope it helps.

May 27, 2009 | Amana ABB1927DE Bottom Freezer...

2 Answers

Frozen vents from freezer to fridge


you most likely have a defrost problem.or a clogged drain.you need to check your defrost heater defrost timer and thermostat.if ice is formed over drain then you can unclog drain with hot water.you will see when it is unclogged,water will run down drain without running over into bottom of freezer.

Mar 09, 2009 | Kenmore 21.7 cu. ft. Top Freezer...

2 Answers

Kenmore Refrigerator Mod 70162990


It is under the evaporator you will have to remove the back cover... let me know if you want to do it and I will step you thru it...

Sep 01, 2008 | Kenmore 73502 / 73504 / 73509 Bottom...

1 Answer

Kenmore 795.755744


I have a trio 7755 and had this problem within 6 months of ownership. It was the valves that fill the ice trays not completely closing when tray is filled (continued to drip--building up an ice block on the back wall and in the ice tray. I replaced the set of valves in the lower right (when looking at the back of the fridge). Problem solved, has worked perfectly since.

May 02, 2008 | Kenmore 73502 / 73504 / 73509 Bottom...

1 Answer

Refridgerator freezer GE


Frost is due to outside air leaking into unit. Check on back wall to see if hole for ice maker fill tube is still plugged. If not and you have no ice maker cover hole with tape. Also look for water or ice build up in bottom of freezer or ref. sections. May have a plugged drain. Let me know what you find.

Nov 11, 2007 | Refrigerators

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