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If your refrigerator is frost free and been running for a year or two then here is the solution. Why would you need to defrost a frost-free freezer? Because they do sometimes get frosted up! This is especially common if the door gets left open for long periods without being noticed, then shut again, thereby trapping lots of moist air in the freezer, which can only come out as frost. The problem is that if their defrosting cycles don't manage to cure their problems they get frosted up at the back, out of sight. If your freezer seems to be struggling to keep things frozen but is otherwise working normally you should consider defrosting it before concluding it is broken.
I have found the best way to defrost my not quite frost free fridge-freezer is to empty the freezer compartment contents into the fridge and switch it off overnight, leaving the fridge door shut and the freezer door open. By stacking all the frozen food together as tightly as possible, ideally wrapped in something to help insulate them (such as newspapers) they stay cold for a long time. In the morning I get in my scruffy clothes and wipe up the puddles caused by the visible frost in the freezer and any puddles formed underneath the appliance. However this is only half the story. To ensure all the frosting has been removed from the hidden parts of the appliance I get my hair dryer and blast warm air into all appropriate crevices from inside the appliance and from behind it.
If there is no cooling
at all on the fridge section but the freezer works then it is confirmed that
the 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
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
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
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.
Its defrost problem.When the freezer section gets cold and reaches its required cooling temperature, after that the frost on freezer section starts defrosting and the cooling fan in the freezer section blows this cool air from freezer to fridge. But if the defrost cycle does not start then over ice will get collected on freezer ventilations and that will block the air passing section from freezer to fridge, so the freezer gets cool but fridge section does not cool.Try manual defrost by unplugging the refrigerator from main power outlet for 24 hours then reconnect it and check, if the same problem is noticed again,. If yes then its defrost board problem. The defrost board located in the back of fridge section. You can get required parts from www.repairclinic.com or from online sears part site. ------------- Thank you.
Seems like a defrost problem. Pull back panel and check frost pattern, if completely frosted,Turn the defrost timer (behind the kick panel in front, or mounted on the back panel) till the fridge goes into defrost. If defrost heater now gets red, replace the defrost timer, if not remove the defrost thermostat clipped to the evaporator coil, and check for continuity while still cold.
Ok do this. Boil some water in a pot then use that to defrost the freezer. This is caused by ice build up in the vent that is keeping the cold air from coming into the refrigerator. Make sure it is defrost completel though cause the ice that is built up is mostly inside and can't be seen. That will solve ur problem I guarantee. Then set the temperature to normal. Like half way. This keeps the frost from building up. Believe it or not as refrigerators get a bit older they actually get even colder and therefore frost build up is more likely. Since no refrigeration can be made completely leak proof, small amount of the freon has leaked out older fridge, and this actually cause it to get colder. You don't need a service technician just defrost then set to a lower setting thats it.
It you have a frost free fridge, then what is happening is that either the defrost element or the thermostat is faulty, causing ice to build up and block off cold air circulation to the fridge. Sometimes the frost builds up around the circulation fan and ceases it up.
That is why when you turn the fridge off for a day, the frost melts and drains out the back of your fridge and so the fridge works ok for a few days until the frost build up again.
Another thing to watch out for is the defrost timer. Sometimes they fail and stick on one cycle and dont advance through. pull your fridge out. The timer is located in the back near the compressor. There is normally a small dial on it. With the fridge turned off, you can twist the dial clockwise and you will hear the timer mechanism click through the different cycles. Make small ink mark on the timer dial. Say at 12 oclock. Turn fridge on. Chech the fridge every couple of hours and see if the mark advances through and does not get stuck in one position for lengthy periods of time. The defrost cycle should normally be around 8 hours and it repeats again.
Let me know if you need more help with the defrost element or thermostat. But it is best to get an experienced repairer to change those.
if there is frost build up on rear wall of freezer section the unit is not going through defrost cycle which builds up frost on evaporator and restricts cold air flow to the fresh food section. one of three things are bad. defrost heater, defrost thermostat or defrost timer. if no frost on rear wall you might be low of freon.
if u have frost build up in the freezer it will affect the temperature and it needs to defrost problems could be defrost timer. thermostat. terminator. heater s. unit problems (unlikely) if even frost coating.
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.
bad defrost timer/control board
bad defrost heater (in freezer)
bad thermo switch in freezer
If you don’t know what these are then unplug the machine and let the ice
melt in the freezer overnight with the door open. Then try it the next day, if
is cooling fine then you need to have a service person replace one of the above
You have one of the following problems which is indicated by the frost buildup. Your defrost timer has failed, or defrost heater circuit consisting of a defrost heater and defrost thermostat. Start at the defrost timer. May be located in the fridge compartment near the temperature controls. There may be a recess through which you can turn the dial SLOWLY clockwise until you hear one click. the freezer will be in defrost. Wait 18-22 minutes and the freezer should defrost and restart into cooling. If it does not restart after 30 minutes turn the screw clockwise again one more click and it should restart. If you had to turn it again to get it to restart the timer is bad and needs to be replaced. If the timer restarted the cooling mode after 18-22 minutes and defrost did not take place your problem is in the heater circuit.