Question about Bosch Classixx KGV28323 Bottom Freezer Refrigerator

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Ice getting accumulated even it is frost free

Ice is formed behind the shelves even if it is frost free. so do i need to defrost?

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http://www.acmehowto.com/howto/appliance/refrigerator/refrigerator.php
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 In most newer models the timer has been replaced by an electronic control board.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.


Posted on Sep 07, 2009

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Whirlpool Gold side by side frigerator freezer ice and water not working, inside frigerator various places freeze, on certain shelves units only 5 years old


As far as the icing up sounds like your cross over have ice. Unplug and defrost even on frost free. Should solve both problems
mike

Dec 19, 2017 | Whirlpool Refrigerators

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Refridgerator warm and freezer is icy cold


Frost free fridge freezers are very popular and auto defrosting fridges are a great convenience. In a frost free appliance the cold air is blown round the freezer using a fan. On modern refrigeration the evaporator (which is the plate that gets cold) is hidden behind the plastic wall inside at the back of the food shelves. When working correctly you can usually see small beads of ice randomly scattered on the back wall unless it's in a defrost cycle when you may see water.<br /> Heater inside Believe it or not most modern refrigeration has a heater inside. This heater is used to defrost the appliance automatically. During the defrosting cycle the ice on the back wall melts and runs down the back wall into a channel. It is then directed through a hole out through to the back and runs into the evaporator tray. The evaporator tray is on top of the compressor which gets pretty hot and evaporates this water into the air.<br /> Because the evaporator is behind a back panel the cold air has to be blown around the compartment with a fan motor. The defrost cycle also needs sensors and a timer and combined with several sensors throughout and PCBs to control everything the result is there is a lot more to go wrong than there used to be in old-fashioned conventional fridges. However, they are still fairly reliable.<br /> Common problems with frost free fridge freezers If the door is left open for too long (especially in humid conditions) the evaporator freezes over and the unit will not keep the food cold. This problem (unlike the older machines) has a greater impact because you can't see the amount of ice built up around the back of the panel hiding the evaporator. In many frost free fridges the ice can form all the way round the fan and cause it to run slowly or even seize up. Prior to seizing up the fan may catch on the ice and make a high pitched noise. This will of course result in the fridge or freezer not getting cold. If you hear a strange noise from your frost free fridge freezer which sounds like something is catching on a rotating fan it could be due to ice forming around it.<br /> If it stops working due to ice forming behind the evaporator and round the fan then defrosting the unit manually can fix it but it involves unplugging the unit for at least take 12 hours or so. You may not see much frost as it would be behind the back wall or behind the fan unit. You can't really use a hair dryer on modern units because they may have a thermal fuse which protects the defrost cycle. Also, even just getting to the evaporator to defrost it can be a mammoth task especially with some of the new American-style fridges. If a fault re-occurs later it could be due to faulty sensor but if the fault was only due to the door been left open for a few hours accidentally then a total defrost could work. <br /> Whilst we are on with American style frost free fridge freezer's, because the door's are so big and can store so much, the opportunity to overload them is greater. This too causes warm air to pass into the unit and frost it up. Remember a frost free unit will not cope with too much ice on the evaporator so greater care must be taken to use it correctly and check the door seal's regularly. <br /> <b>Water or sheet of ice inside fridge</b><br /> If your fridge has two sloping channels at the back wall and a hole in the middle this is designed to channel the water created on the defrost cycle through to the back of the unit where it runs onto an evaporator tray. This tray sits on top of the compressor and gets quite hot. The water simply evaporates. Sometimes this hole gets clogged up and prevents the water running out to this tray. The result is that water runs into be base of the unit. Very often the appliance will come with small tool for cleaning out this hole, but if not you can improvise.<br /> If the water in the base of the unit is frozen solid it could be that the unit has malfunctioned and is over freezing. The blockage preventing the water running through to the evaporator tray could actually be solid ice.<br /> <b>Summary</b><br /> It's common knowledge that most people rarely read the instruction book supplied with their new appliance. This is particularly true with something like a fridge or freezer. It's easy to imagine most people thinking you only need to plug it in, leave it plugged in, and fill it with food - what's to know?<br /> I would advise anyone with a modern refrigeration appliance, especially the American-style fridge freezers, to carefully read the instruction book. Modern frost-free refrigeration units work very differently to a conventional fridge or freezer. It's even important to learn how to stack them properly otherwise you can prevent the air from circulating inside and cause warm spots.<br /> You would be surprised at what you can learn from reading the instruction book.<br /> Many <a href="http://www.washerhelp.co.uk/instruction-manuals.html">User instruction manuals</a> can be downloaded here. The page concentrates on washing machine manuals but links to appliance manufacturer sites where users such manuals for fridges, freezers and other appliances should also be available.

on May 22, 2011 | Refrigerators

1 Answer

Large Ice Build up on top inside back of fridge unit.


Could be the auto-defrost has stopped working. Most modern frost-free fridges have a heating element behind the liner where the cooling element is and the ice forms. Between the thermostat controlled periods of cooling the heating element should switch on for a short time to melt any ice that has formed and the resulting water forms into droplets that roll down the fridge liner until it is channelled into a drain leading to a tray mounted on the electric motor. The warmth from the motor evaporates the water and completes the maintenance-free frost-free system.

Possibilities are faulty wiring/connections, defrost timer, defrost element.

The defrost timer could be integral with the thermostat.

Some older fridges had a manual switch to start the defrost process.

Jun 30, 2016 | Refrigerators

1 Answer

The top two shelves are not freezing and the food on those shelves and that area of the door have defrosted. The bottom seems to be freezing. I can hear the fan running and do not feel any drafts from


Obviously that freezer is not achieved the required temperature. There are several reasons for that:
- Defrosting system is not working, which leads to accumulation too much ice on the evaporator that prevents heat transfer and reduces air circulation despite the fan is running.
- The problem with draining condensate after defrosting cycle which also leads to accumulation of ice.
- Leaking gas from the cooling system (reduced cooling capacity)
- Faulty compressor

Dado

Jan 05, 2015 | Electrolux Freezers

2 Answers

Hotpoint refridgeerator side by side fan not working nor does the compressor?


First thing I'd do is defrost it completely, that means turning it off for a few hours with door open & letting the ice melt, you could be getting a buildup of ice in your freezer jamming the fan before the automatic defrost has time to clear it. Also check that the seals are sealing completely, (that can allow frost to form in freezer), if not use a hair dryer to soften them (gently) & mould them back into line.

Nov 19, 2014 | Hotpoint HSS25GFP Side by Side...

1 Answer

Top shelves in freezer not freezing food. Also no ice from ice maker. Seems cold air has stopped coming out of top vent


We had the same problem with our refrigerator just yesterday. Defrosting (even tho frost-free) cleared up the airflow problem-- If it's frost-free, when it defrosts enough to allow air flow, the automatic defrost can take over. Cause was stored food blocking the vent between the freezer and lower part of fridge.

Mar 02, 2013 | Freezers

1 Answer

Why is my ge refriderator "frost-free" freezer frosting up?


most likely the defrost heater behind the panel thats frosted up is burned out so it cant defrost the unit,g.e. is notorious for this,remove this panel inside the freezer and remove 2 screws at the bottom of the evaporator coil holding the heater to the evaporator and unplug it the new part number is g.e. WR51X10055

Jul 23, 2012 | GE GSH25JFT

1 Answer

Large amount of ice has accumulated behind the back panel in the upper part of the unit on my Sante Fe RX. About 2 to 3 inches thick.


Your post says you have an RX but the picture shows a SantaFe Classic.
In either case the massive frost build up is caused by a defective defrost thermostat. PN 4021470 Parts Dept 800-533-7533 x 8451
The defrost thermostat has an internal set of electrical contacts that are designed to open up and turn the compressor off when frost or ice has accumulated on the tubing and the evaporator coil. If the contacts fail to open, the compressor keeps running and the frost and ice just keep accumulating until such time as the homeowner unplugs the unit or a sevice tech replaces the defrost t-stat.
Dwaine
Thermastor Service Dept
800-533-7533 x 8459

Apr 25, 2010 | Therma-Stor Santa Fe Dehumidifier

1 Answer

Top & middle shelves COVERED with frost/ice, not middle


That is normal. The refrigerant runs through those shelves. They are the evaporator side of the unit.That is where the freezing effect comes from.
Check door seals for leaking air.
Keep door openings to a minimum.
Get in there and get out.
Those things will help prolong frost/ice buildup.

Mar 12, 2009 | Whirlpool 16.7 cu. ft. / 473 liter Upright...

1 Answer

Defrost Problem


Make sure a piece of paper can be trapped between the door seal if not the seel is not tight enough. That would explain it taking so long to ice up. Another posibilty is to close to the back or side wall if you have space try to move it out just a little at a time. If it is overheating in the rear it can cause it to not operate properly.

Sep 05, 2008 | Magic Chef CTF2125 Top Freezer...

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