Why does my U-line refrigerator keep frosting over?

Not good... no way.

That is an old time symptom of an inadequate refrigerant charge. The foam insulation rapidly loses any effectiveness when saturated.

Fact is... refrigerant lines leaving the compressor ought to be too warm to be attracting condensation...

Frost is highly problematic (as is water dripping anywhere inside the house).

Hope that helps!

bonjour,
Trouble comes in 3's
If there is never any water in the drip pan under the refrigerator it is not defrosting and the evaporator drain line may be stopped up. Side by Side refrigerators cool the freezer first and send a small amount of cold air to the refrigerator side. To start defrost the defrost timer stops the compressor and all fans. Next it turns on the defrost heater. This melts the ice/frost off the freezer coils. The water drips down the drain line to the drain pan under the unit. If the defrost heater raises the temperature too high the defrost termination thermostat turns the heaters off. When the defrost timer finishes it turns off the heaters and turns the compressor and fans back on. If the drain line clogs with food the water does not drain out and when the compressor starts again the water freezes. If this keeps happening the ice gets higher and bigger until it clogs the coils and the freezer does not get cold. If the defrost termination thermostat turns off the defrost heaters too soon all the frost is not melted from the coils. And the coils soon clog and the freezer gets too warm. No defrost usually means either a bad defrost timer, a clogged drain line, a bad defrost termination thermostat or some combination of the three.
If the drain line is not stopped up you can try this.
Remove all food from freezer and refrigerator, open the doors and unplug the cord. Wait 30 hours for all the frost to melt.
Keep the doors open and the cord unplugged the whole time. Empty the drain pan to keep it from over flowing. After 30 hours plug it back in and wait for 1/2 cup of water to turn to ice in the freezer. Then you can put the food back in. The problem can return if the unit is not defrosting. Or you can call a service technician.

Probably low on refrigerant, use a a/c tuneup additive from your parts store that has both refrigerant, and lubricant in it. If no improvement make sure that the passenger side electric fan mounted to the radiator is coming on when you have the a/c turned on for awhile. It keeps the condenser from overheating and allows your a/c to make cold air. With your a/c on also open hood and check for lines that have frost on them if you have to much refrigerant your lines may freeze keeping your a/c system from continually circulating it and making your a/c not as cold.

It's due to wrong temp setting and malfunction of defrost cycling. Keep thermostat setting at 5 degree or little less. And don't keep it in minus,as defrost cycle will take longer time. And also you will get less cooling in fridge compartment and also water leaks.Check drain line hose may freezed. And also freezer tray get blocked due to over frosting around freezer. Defrost manually by unplug your fridge and after defrost all ices, plug again and keep correct temp setting. Thanks.

very possible
you can overcome the problem by preventing the air getting to the pipe by wrapping insulation around it
fridge repair shops and suppliers sell insulation that can be fitted around the suction pipe to prevent that problem

Hi
Frost in u-line drawer dwrr models happens because of 3 things. The most common is that the drawer wasnt sealing properly. At the ends of the slides you see a white plastic end. This is called door closers. Remove your drawers,Unplug the top drawer. Then remove the closers on all slides. Take a small screw driver then push on the top of the slide. You should see a piece of the closers. While pushing down pull the ends out.You see the hook and spring, sometimes the hooks get off track and keep the drawer from closing. By keeping them out this should help. Also if you have vegetables keep them in sealed containers. The 3rd thing is you have the display set at 34 and this will cause the unit to run 100% of the time. Recomend 36 degrees.

Hello Catherine Fu,
Welcome

You said, you got this whirlpool double door refrigerator for 4 years. cost me about 1.5k. the second year, right after warranty, the main brain is down-the light panel in the refrigerator is off. whirlpool tech told me to replace it will cost me 500, so you decide not to do it. Now you have bad frosting issue for 6 month. Inside the Refrigerator, the water keep on dripping on side wall and glass drawer ceiling. In the freezer, frosting all over each drawer, and the bottom drawer has too many frosting and ice that i can hardly close the door. Last night, the refrigerator section just don't get cold anymore, it shuts up by itself.
Help!! It is an very expensive refrigerator and ONLY 4 years old .


First,I think you need to have a new tech.
It sounds like you have either an air leak allowing out side air in and this causes the icing.
Or you may need some freon (coolant gas) .
If your freon pressure is low it can ice up.
Did that tech that was there check for a freon leak and also check the pressure of the freon in the lines???
You need to call a different tech and let him see what's happening.
Some company that is reliable!

Let me know what they do for you.
God bless, Huuum
please remember to leave a rating.

you have a refrigeration issue. let me guess. is the frost real thick around a small area not the entire lining? if so you have a restriction or leak. cheaper to replace by the way

This sounds like a low gas issue....assuming that you are not keeping your door open excessively or that the gaskets are not bad or dirty. The water line probably has no part in this.

First, check the gaskets. They must be clean and seal well. Defrost the box completely. Leaving it off for 2 days will do this or use a hair dryer with care after removing the freezer panel. Clean the condenser. Turn the unit on while observing the compressor...the big black thing with the pipes coming out. Look at the largest pipe. It will start to frost up. If the frost clears either to water or dry after 5 minutes of operation, gas is okay. Still frosty...get a service man.

You will have to make some line and low voltage tests at the motherboard to diagnose this further. Start by removing axcess panel to motherboard on back of refrig. Locate 3 PIN blu connector on bottom of board. Wires are labeled Comp, Def, Line. Jump Line to Def At connector. Look at heater at bottom of evap coil for glowing red heat. If no heat heater is bad, if it does heat time to go to the next step!