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My Maytag frige model # MBB2556GES evaporator frosts over and shuts off air flow causing it to be too warm. This happens about every 6 weeks and I have to defrost. Can you tell me what causes this? The doors seal good.

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  • nvbowhunter May 21, 2008

    Found defrost termination thermostat was open. Also noted that the housing was bulged out at the top. Great jop 22yooper and thank you!

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Defrost system problem related to defrost timer or heater circuit. Possible open defrost termination thermostat or open defrost heater. If timer is bad it will not go unto defrost automatically but can be manually started from the timer by rotating the clutch head screw slowly clockwise until you hear one click. If the system fails to restart after 30 minutes rotate slowly again until you hear another click and it should restart. If you had to rotate the timer the second time the problem is a bad defrost timer.

Posted on May 19, 2008

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Freezing up in duct system frig part


Have you checked the heater/defroster element within the freezer? It may be related. When mine failed I was doing the defrosting with a hair blower. Over time (several days) the frost would build up on the freezer coils and the air couldn't flow as it should....so the thermostat wasn't getting cooled enough and it relayed the information to the cooling system, causing the frige to run all the time. Since it was clogged with frost, the frige was constantly trying to cool itself and the frost problem would get so bad that things in the freezer began to melt due to a lack of cold air circulation. After the heater/defroster element was replaced, frost would melt during the defrost cycle (as it should) and airflow/circulation was restored, allowing the thermostat to be cooled properly. Then the freezer coil was able to 'rest' when it should instead of constantly freezing to meet the demand for cold air in the frige. Hope this makes sense...and helps solve your issue.

Apr 11, 2014 | Kenmore Refrigerators

1 Answer

Freezer stays cold but fridge has been warm. I turn the thermostat to off for a day and then everything is ok for a week. Sounds like the fan is frozen solid when fridge doesn't work( no sound) Th


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 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.

Please check the link below for tips to remove the panels/parts: http://www.espares.co.uk/advice/fridges-and-freezers/a/2

Jan 11, 2013 | Refrigerators

1 Answer

Hello, actually my Maytag refrigerator is 22 cu ft. bottom -mount freezer. I'm pretty sure my freezer is the frost less kind but it has started getting frost and almost snow in it. I was just wondering...


Hello
Any freezer will accumulate frost on walls etc, eventually.Mostly in the summer when there's more moist air and door openings. The fan is supposed draw all moisture to the evaporator coils so you won[t get the frost , So if it is excessive check to make sure refridgerator compartment is keeping cold.If it seems warm to you,you probably have defrost issues.
If ok ,then check door gaskets for air leaks ,(excess moist air gets in).Or excess food ,especially at bottom might block some air flow.

regards

Jul 28, 2011 | Maytag 21.9 Cu. Ft. Bottom-Mount...

1 Answer

Iv got a fridge freezer frost free hotpoint the freezer is keeping frozen but my frige is warm all the time can u please tell me what the problem could be please.



If there is no cooling at all , before we go further we must confirm the first step of confirming the compressor and gas pressure. So shut off the fridge and leave it 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 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.
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 from the outside and make your observations so that we come to the solution.

Jul 05, 2011 | Refrigerators

1 Answer

I bought a maytag side by side in 2002; model # MSD2454GRQ, SN 18157432AL, REV # 18. Ice is forming at the bottom of the maytag freezer department. Overnight ice will form at about 1/8 inch and left has...


Defrost problem: 3 components. Defrost Heater. Timer (circuit board or motorized) & Thermostat.
Remove cover on the inside back wall (usually 6 screws). Note frost pattern. (bottom of evaporator coil)
Put refrigerator into defrost cycle and note the defrost heater come on, or not. (careful heater can glow red hot)... Unplug Frige and test defrost components. Replace bad component... Refrigerator should defrost every 8 hours. when the cycle slows or quits the freezer will freeze over the evaporator coil and no air flow = no cold air...

Nov 15, 2010 | Maytag MSD2756G Side by Side Refrigerator

2 Answers

GE Eterna ESS25LGNA freezer side not working


Is the compressor motor running.If no check starter/overload relay.
Check to see if the condenser fan at the back underneath near the compressor is running. If no check fan.

Are the condenser coils near there warm or room temp. should be warm


How to check stuff>
http://www.acmehowto.com/howto/appliance/refrigerator/refrigerator.php


Is the evaporator fan in the freezer running. It blows cold air into the fridge side through a damper in the wall between the freezer and fridge. Make sure the damper is open.

Below the evaporator fan is the evaporator coils. Remove the back cover in the freezer to observe the frost pattern. Light frost everywhere(NORMAL) or a partial pattern of ice(LOW ON FREON) or nothing(LOW FREON OR COMPRESSOR PROBLEM).

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.


Your evaporator coils frost up in normal use and every eight hours or so the entire unit shuts down and the defrost heater comes on to melt the frost. This cycle last about 20 minutes. The melted frost drips into a drain pan and through a drain tube to the drain tray under the freezer/refrigerator where it's evaporated by the condenser fan.

Aug 22, 2009 | GE (PSS26MSRSS) Side by Side Refrigerator

2 Answers

Blowing cold air but not cold enough to keep frige cold


if one of the panels in the fridge has frost on it, the evaporator coils may be iced up. this restricts the cold air flow. to defrost: empty the fridge and freezer, turn it off, remove the panel in the freezer that has the frost, use a hairdryer and defrost the ice buildup, sop up excess water, dry it up, replace the panel, turn it on (while it's empty), set the temp halfway, and close the doors. when the compressor turns off, fill the fridge. if the panels are frostless and the coils are warm, you may be out of refrigerant from a freon leak somewhere. it might be cheaper to replace the fridge.

Jul 31, 2009 | GE (PSS26MSRSS) Side by Side Refrigerator

1 Answer

Frige not cooling


Poor cooling is often the result of a heavy frost build-up on the evaporator coils or a condenser that is clogged with dust, lint, and dirt.

Evaporator coils Poor cooling is often the result of a heavy frost build-up on the evaporator coils. You can't see these coils without removing a panel on the inside of your freezer. A sure sign that there is a build-up is the presence of any frost or ice build-up on the inside walls, floor, or ceiling of the freezer. Such a frost build-up usually indicates a problem in the self-defrosting system or damaged door gaskets.

The refrigerator is supposed to self-defrost approximately four times in every 24 hour period. If one of the components in the self-defrosting system fails, the refrigerator continues to try to cool. Eventually, though, so much frost builds up on the evaporator coils that the circulating fan can't draw air over the coils. There may still be a small amount of cooling because the coils are icy, but with no air flow over the coils, cooling in the refrigerator compartment is quite limited.

Here's an inexpensive, though inconvenient, way to determine if the problem is with the self-defrosting system. Remove all of the perishable food from the refrigerator and freezer, turn the thermostat in the refrigerator to Off, and leave the doors open for 24 to 48 hours. (Be sure to have several towels ready in case the melting frost and ice causes the drip pan to overflow). This allows the refrigerator to defrost "manually." When the frost and ice build-up has completely melted away, turn the thermostat back to a normal setting. If the refrigerator then cools properly, it indicates a problem with one of three components in the self-defrosting system:

  • The defrost timer


  • The defrost thermostat (also called the bi-metal switch)


  • The defrost heater


If it still does not cool properly, there may be a problem with the refrigerant level or the compressor. You may need to consult with a qualified appliance repair technician to further diagnose the problem

Condenser Self-defrosting refrigerators all have a set of coils and a cooling fan, usually under the refrigerator, that need to be cleaned regularly. If these coils get coated with dust, dirt or lint, the refrigerator may not cool properly. The coils may appear to be a thin, black, wide radiator-like device behind the lower kick-panel. To clean them, disconnect the refrigerator from the power source, use a refrigerator condenser brush (see the Appliance Accessories section) and your vacuum cleaner to clean the coils of any lint, pet hair, etc. You may not be able to get to all of the condenser from the front, it may be necessary to clean the remainder of the condenser from the rear of the refrigerator.

Mar 24, 2009 | Maytag MSD2756G Side by Side Refrigerator

1 Answer

Two warm in refrig


Hi. The most common failure for this make refrigerator is a bad evaporator fan motor. You should feel air coming out of the diffuser in your freezer. If not, either the fan motor is bad or you have alot of frost build up on the evaporator. You would see alot of frost on the back wall of the freezer where the evaporator coil is located. If this is the case, most likely the defrost bimetal thermostat. But if no frost, the evaporator fan motor is most common and likely to be your problem. Visit me on Ebay username: themackshack. Good luck! Mack

Dec 12, 2007 | Amana ABB1921DE Bottom Freezer...

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