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Re: refrigerator section is not cooling
HELLO AND THANK YOU FOR THE QUESTION.WHEN ONE LEAVES THE FREEZER DOOR OPEN FOR A LONG PERIOD OF TIME ITS BEST THAT THE UNIT BE SWITCHED OFF AND THE ICE THAT HAS BUILT UP DEFROSTED BY ITS SELF BEFORE SWITCHING THE APPLIANCE BACK ON TRY THAT AND LET ME NO IF THAT SOLVES YOUR PROBLEM.GOOLUCK. MOHAMED
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Hi. There is a valve in the top corner of the frigde that controls the cold Air to flow from the freezer to cool the fridge. This valve called a damper closes when the door is opened. You have to depress the door switch and listen for the fan in the freezer to switch on then feel for cold air to flow into the fridge compartment. The fan could have failed or the damper valve could be stuck closed.
is there any frost on your food packages or on the ceiling where the light is?if so the door was left open and the air vents are froze up or you have a bad damper or evaporator fan motor,open the freezer door,do you hear the fan blowing?if so the fan motor is good,check for ice on the ceiling and packages,if that checks good look at the back inside wall of the freezer,if that's covered with like snow or frost you have a defrost problem or also you have a damper in your model,it's closed and won't open to let the cold air in from the freezer. http://www.repairclinic.com/PartDetail/Damper/R0161050/223353 go here,this is the part,all that happens is the evaporator coil in the freezer gets cold,the evap fan blows the cold air from the freezer up into the fridge section,in your model the damper door opens to let the cold air in,when it gets cold enough the damper closes and that's it,so if the door wasn't left open and the fan is blowing in the freezer you have a bad damper.
The compressor is the part which cools the refrigerator.----------
First i will explain the working procedure of your sanyo refrigerator.----------
In the refrigerator, there is a part called compressor, the compressor is the part which cools the freezer section, When
the freezer reaches its cooling level the defrost cycle starts functioning. In
this cycle the fan in the freezer section starts running and the cool air in
the freezer section is passed to the fridge section and the fridge section gets
cold.--------- So the freezer section cooling/ freezing is must.If freezer is not getting properly cooled or not getting cooled, then fridge section will show the low or no cooling problem.-------------- In your refrigerator, its quite possible that compressor is got weak, nor complete faulty but little bit weak.So when you open and close the fridge or freezer door , the compressor is not that strong to maintain the required temperature.So its working hard to cool inside temperature, but its not doing it quickly as it should.---------.----------
In the compressor there is a refrigerant called FREON.With the help of this
Freon the compressor cools the freezer section.Freon is a gaseous type cooling
agent.The compressor will stop cooling when coolant gets leaked from its
recharging the Freon is possible, but the cost for that recharging is approx
the cost of new compressor.So its always advisable to get compressor
replaced.Because new compressor has warranty for few years.------------------You can get required parts
from from online sites like: --- www.repairclinic.com or from searspartsdirect
online site. --------- ---------------- There is manual reset procedure, sometimes the ice gets frosted all over and blocks the ventilation's for cool air to pass from one section to another, and this also causes problem.So directly going for compressor inspection, before that you can try manual reset procedure and see if that helps.---------
The manual reset procedure is as follows : ----
First unplug the unit from main power outlet. Then empty whole unit
completely. Then keep both the doors open. Wait for 24 hours. All the ice
collected on the coils and in the freezer section will get melted.
Clean the water from the sections. Then Connect the power cord of the unit to
main power outlet after 24 hours/.Then set the temperature to normal in both
fridge and freezer section. It will take approx 4 to 6 hours for your refrigerator to regain its regular cooling/ freezing .So after 4 to 6 hours check , Is the refrigerator cooling properly or is it taking time or temp is dropping once you open close door. If this problems are not noticed, then reset procedure has helped.------- But if same problem is noticed after reset procedure is followed, then you can get the compressor checked.
This should help.
Its defrost problem.--------- When you open the freezer door, then ice starts getting defrosted, because outside temperature is warm and due to that inside ice gets bit melted.---------
The working procedure of
this unit is as follows: --- The compressor starts then it cools the freezer
section. When the freezer reaches its cooling level the defrost cycle starts
functioning. In this cycle the fan in the freezer section starts running and
the cool air in the freezer section is passed to the fridge section
and the fridge section gets cold. The air from freezer to refrigerator passes
from the section, in that section the damper is located. ----------- The damper
is operated by a motor.Its a complete damper assembly with motor included in
it.--The damper has door.Which closes and open with the help of motor.In your
case the damper door is blocked by ice, because your refrigerator is not defrosting.But when you open the freezer door, the inside ice gets bit warm and it starts melting and this lets the fridge section get cool.-------------------
In this case you will have to manually defrost the ice and inspect, if the problem solves.For manual defrost procedure, click the link below:--------
Click this below for more detail:---
http://technoanswers.blogspot.com/2011/06/refrigerator-is-not-cooling-properly.html-----------This will help.Thanks.Helpmech.
If the freezer or fridge door remains open for one hour or few more hours by mistake, then to again get to its proper cooling cycle, it requires approx another 24 hours.And in that also, dont open the refrigerators doors for few hours.If you open, close it quickly.Once it cooling cycle again gets set, then you can use it like you use regularly.But approx it takes 24 hours to get proper cooling.--------
But if its already more then 24 hours and there is very low cooling, then it can be internal defrost cycle issue.You will have to do manual reset procedure.The manual reset procedure is as follows:--------
First unplug the unit from
main power outlet. Then empty whole unit completely. Then keep both the doors
open. Wait for 24 hours. All the ice collected on the coils and in the
freezer section will get melted. Clean the water from the sections.
Then Connect the power cord of the unit to main power outlet after 24
hours/.Then set the temperature to normal in both fridge and freezer section.
It will take near to 4 hours to get run in its proper cooling cycle. Then
check,it will get set to its cooling cycle and work as normal.-------------This should
Check the air return on the bottom left wall of the refrigerator side. Check for cold air flow at the top of the refrigerator when the compressor is running. If you feel no air flow, open the freezer door and see if you detect significantly more air flow after opening the freezer door. This could indicate a return air flow restriction and make sure that there no blocking of air vent at the top of refrigerator section that supplies the cold air from the freezer.Check the door seal gasket on the refrigerator for leaks.
If the vents and air flow paths in the refrigerator are proper, then check the back wall of the freezer for excessive frost. A defrost system problem could be preventing the refrigerator from cooling properly. If you do see excessive frost on the evaporator in the freezer, you may be able to restore proper cooling in the refrigerator by storing your food in an ice chest and then shutting off the refrigerator/freezer and letting the unit completely defrost for about 24 hours. Leave the doors open for air circulation. After the frost on the evaporator has defrosted, plug the unit back in and see if the refrigerator and freezer will cool properly.
If there is still same problem then you need to replace evaporator fan.
when you open the freezer door you should hear a fan running, that's what cools your refrigerator section. If you don't hear that fan, that may be the problem. Also if there is frost on the back panel of the freezer that also may indicate a defrost problem, which could cause the same problems
Good day, If it is a conventional refrigerator, there should be a cooling plate on the top back of the wall in the food section. Assuming the door fits and closes properly, and the light goes out when the door closes, the plate described above should have a frost pattern on it. That is what cools the bottom fresh food section. If left on for plus 12 hours normal cooling should exist. If the plate is not frosted, and the machine runs constantly, you have a freon leak with no real practical repair possible. You could recharge it, but it would be pricey, and just repeat the problem shortly.
most common fault to cause this problem is cooling element in freezer section iced up. could also be faulty fridge stat not letting cold air through.first pull drawers out of freezer section, if back cover inside feels frosty or snowy, then likely evap (cooling element) is iced up.if so empty cab, switch off for 24 hours with both doors open, and restart. ice ups can be the result of the freezer door being left ajar, but can also be a problem with auto defrost as well as problem in refrigeration circuit. if problem comes back call a service engineer.
If you are sure the fan in the freezer is running and you don't feel any air flow out of the top middle vent inside the fridge section, then the damper motor must be bad. The damper motor is behind that vent cover inside the fridge section.