Question about Refrigerators
The freezer has excessive frost buildup & fan noise; the refrigerator isn't cooling as well as it should. What is the cause? What can I do to fix this?
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Posted on Jan 02, 2017
From your description, you have a bad evaporator fan motor. The part number for a replacement motor is #5304445861.This is not a direct replacement but is more reliable.Remove everything in the freezer, take off the back panels and you will see the fan.
If there is a large frost buildup on the coils and the fan is turning you have a defrost problem. If that is the case, please call me at 334-347-0000 and I will walk you through it.
Posted on Jan 14, 2008
Same issue with my 6 yr old Maytag side-by-side model #MSD2756GEW. Turned out it was caused by a faulty circuit board. This circuit board is located in the upper right fridge section. Apparently these boards are sensitive to power surges (which we have here in central Texas from time to time.) When the circuit board is fried, it makes a noise like a fan blade malfunctioning and it stops the auto defrost feature in the freezer from working. So the freezer ices up at the back, and the ice prevents the cold air from reaching the fridge section.
Our circuit board (which we thought was a fan) made ominous noises for a few months. (The noise would last only a minute or so and stop shortly after we opened a door). Eventually we noticed that the fridge wasn't as cold and the freezer had snow in it. Finally the board stopped making noise and about a week or so afterward we noticed that the milk had spoiled and the fridge wasn't very cold. The food in the freezer side pretty solidly frozen, thankfully.
In addition to replacing the circuit board, the fridge had to be de-iced or it would not work properly. I put it all frozen into a large camping cooler where it stayed for several hours. I opened the freezer doors and put table fan and pointed a hobby light which gets quite hot, at the back of the freezer. Within 3 hours, the ice had melted significantly so I could see through the grate at the back of the freezer. This really great technician named Tracy, made a special trip to the parts store to get the circuit board and came back within a couple hours, bringing with him a steamer. He removed the back panel inside the freezer section (the coils are behind there) and used the steamer to melt the rest of the ice before he left.
Tracey, who works for a local appliance repair company, told me that about 4 years ago, Maytag started making their fridges with built-in surge protection, so the circuit boards apparently don't get fried on the newer models as they do on my 6 yr old model. He recommended that we put plug the fridge into a heavy-duty surge protector - which we are definitely going to do.
Posted on Mar 18, 2008
This sounds like a defrosting problem. There is a defrost timer, a heater element, and a therm-o- disk thing that shuts the heater off when the frost is melted. These are the things to check, but it's usually the heater that is burnt out.
Posted on Jul 23, 2008
you need a drain tube heater.it is like a chain fence tie made from alluminum,you can actually use the fence ties,wrap one side around defrost heater and stick the other side in drain.that will prevent it from happening again
Posted on Mar 07, 2009
There are several reasons this can be happening...
1. The seal on the door may have a tear or may not be seating properly...this allows excess warm air into the freezer compartment and in its effort to remove the same ...frost appears.
2. There is something call a thermistor that is cycled on and off as needed to remove excess frost accumulation and or ice buildup on the evaporator (freezer) coils...it is a heat strip which actually defrost the frost/ice. if this is not working frost will accumulate and eventually it will become Ice......now the remarkable thing about Ice accumulation is that you would think everything would remain cold or get colder ..however in this case the opposite occurs...it insulates the coils and thereby increasing the temperature...put a thermometer...one that is calibrated properly...(calibration can be set by placing a thermometer into a glass of ice water...the temp of a glass of ice water..after a few minutes setting will be exactly 32 degrees)..if the temperature of your refrigerator is gradually rising over the period of a week...you will need to call a tech or replace the thermistor and or trouble shoot other problems that can occur such as..
3. The evaporator fan may be going out although they usually make a high pitched whining noise of a whirring noise before they go out...not always and if they are intermittently cycling off then frost would build up...do you always here a fan running when you open the freezer...if so that is good...fan is working...but it may be cycling off at times when no one is aware.
P.S. the odds of your ice maker causing this are very, very slim...in 35 years in the industry ..I have never had an ice maker cause frost due to water spray...it will almost always result solid sheets of Ice..if it evers does cause a spray....which like I said is rare...lottery ticket type rare :-)
This should lead you in the right direction...if you need help in finding a reputable service company in your area let us know..I hope this has been helpful..if so PLEASE rate me....thank you... .......The Fang
Posted on Mar 26, 2009
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