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Re: sheet of ice forms in bottom of freezer
Frost free fidges are supposed to stay frost free because the automatically defrost regularly. When they do this they may drain water down to the bottom of your fridge. Look for a tray that catches this water underneath the unit. Make sure yo keep it emptied. If you live in a very warm climate you may be getting a lot of humidity inside. There may be a switch that you can change for lower moisture.
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If there is no cooling at all on the fridge section but the freezer works then it is confirmed thatthe compressor and gas pressure is OK. Now shut off the fridge and leave it powered off while you clean and check the evaporator for frost. If frost is seen it is a good indication as the compressor is working with sufficient gas within. Now after about 6 hours plug in the fridge to start. Observe cooling to happen in about one hour and ice to from under three hours. Earlier make sure that the thermostat was set to normal mode for freezer and fridge. However if ice forms in the freezer then observe the fridge for about 24 hours for cooling to continue and the fridge to cut off . If not the auto defrost timer, or the thermostat must be checked. Frost formation without defrosting could block the air flow and so shut the air passage to the fridge. Also the blower fan must work and if this is not working then the fan can be faulty. Also a fault on the control unit is a suspect to non functioning of any one of these components. If defrost timer works but frost keeps forming check while the compressor shuts if the heaters are working, check continuity of the heaters. So try this test using a multi-meter on the defrost timer and the thermostat and make your observations so that we come to the solution.
If we have ice on the inside of the freezer it means air is being pulled into the box somewhere. The most likely place is the door seal, it sounds like you already checked it, but I would suggest that you look very close at the bottom and aides of the seal too, it could be leaking in air from there. Check the inside liner for cracks and seal them if you find any. Look at the corners of the cabinet to make sure there is not room for air to come in.
Air leaks will lead to frost, it is just hard sometimes to find where it is leaking in.
Has this thing a separate frezer and cooler compartment.
Have tried to completely defrost and clean that thing.
At times like in airco's the pinch valve for the cooling process to effect (expansion) is stuck frozen, or very seldom broke.
I'm not sure if this will help but the freezer that is located on the bottom of my refrigerator started forming ice on the back part where the cold air was supposed to be coming out. I kept hearing a hissing sound like water dripping on a hot surface. I called the repair man in and he had to replace the defrost timer. Once he did that it worked like a charm.
I am not an expert by any means although removing ice from a frost-free freezer is a pain and this took care of the problem for me. Good luck!
My Bosch Frost Free Fridge Freezer did the same thing - Ice forming in the bottom of the freezer area after a few days.
It was caused by a blocked drain pipe - When the freezer does the de-frosting cycle, the melted ice drips into a tray and tehn runs into a dish on top of teh compressor, through a pipe.
If this pipe gets blocked, the de frosted ice overflows from the tray and overflows into the bottom of the freezer and then re-freezes !
To fix, pull the freezer away form the wall, locate the pipe that runs to the dish on top of the compressor and blow through it - This should clear it. Alternatively, from inside the freezer compartment, pull off the cover at the back, but the clips holding it on will probably break off, as mine did ! You can sort of push the cover back on and re-fit the food draws.
One reason for the fan running is that it is trying to distribute the air in the compartment. Look at the very rear of the freezer on the bottom and see if the little vents, which allow water to disperse, are not filled with frozen ice. If so, turn off the fridge (unplug it) and use a hair dryer to melt that ice until it is all gone. That will probably fill the condensation pan under the unit and you'll need to empty it.
hi thanks for the question the drain hose leading from the freezer is clogged up remove the ice from the bottom pull fridge from wall find small drain tube clean the tube now it will drain into tray vacuum out while your there thanks the appliance doc