Ice build up in freezer model # ltc 22350wh can't find the drain tube

Not usually, will have to thaw, then run pan of hot water through drai. Can pull lower vent cover off to make sure it runs into drain pan under fridge. Drain may look clean but tube may not be. Can take wire from hanger to clear as well.

Have a look inside fridge compartment (especially the "roof", if it's a top-mount freezer) & see if you can see any ice build-up (look inside vents that allow cold air into fridge from freezer section. Also, if top-mount freezer, look inside the freezer compartment for ice build-up on "floor", inside vents, or on back wall. These symptoms, combined with water dripping from lots of the "roof" of fridge section (in a top-mount freezer model), can mean several different problems, so best to re-post with more info/symptoms included.
If there's no ice build-up (& the dividing area between fridge & freezer sections isn't particularly cold, which otherwise might indicate hidden ice build-up), it can be as simple as a plugged or obstructed drain tube, which is VERY COMMON. Easiest solution for this latter problem is to use a flexible plastic tube (think similar type as attached to aquarium air pumps), stuff it into drain hole, and blow on the other end. Sometimes you have to blow quite hard to clear an obstruction or complete blockage. If you can't clear the drain tube, it's likely a different problem. Again, a re-post with more info/symptoms will help narrow it down.

Hi and welcome to FixYa, I am Kelly.
First off if you have an ice maker this sheeting of ice is most often caused by the ice maker inlet water valve bypassing water when it supposed to be shut off. You can check for ice in the rubber tube that fills the ice maker. If it is frozen hard with ice most likely you have an inlet water valve failure. The valve is not repairable. The only remedy is to replace it.

Second reason for ice build up on the bottom of the freezer is a clogged evaporator drain. If you see ice for sure under the evaporator coils then the drain is clogged. You clear the drain by unplugging the unit.. removing the freezer contents and directing an external fan into the freezer compartment for just over 2 hours. While this is happening... open the back of the unit by removing the fiberboard cover and cleaning out both the drip pan and the END of the compartment drain tube. I use a wet or dry Vacuum for this task. When the 2 hours of manual defrosting is completed.. use the exhaust of the vacuum on the very end of the compartment drain tube. This will float out any debris that was in the evaporator drain funnel and make sure that the compartment drain tube is clear. Make sure to clean the condenser coils and fan in the bottom of the unit while your cleaning the drip pan.

After all of the above reassemble the rear fiberboard cover, wipe up any water mess in the freezer compartment and return the unit to normal use.

Since you did not include a model number I am unable to provide you with an exact reference source for the inlet water valve. You can however use the following sites and enter your model number for parts information:

http://www.searspartsdirect.com

http://www.appliancepartspros.com

http://www.repairclinic.com

Thanks for choosing FixYa,
Kelly

Hi,
Check out this tip it will help you fix that...

http://www.fixya.com/support/r3780310-water_running_in_refrigerator_from

heatman101

Ice build up on the freezer floor alone, with no ice on shelves or food above the floor, usually indicates a clogged defrost drain problem. when your unit goes into defrost, the melt water is intended to go down a drain tube from the freezer to a pan on the outside bottom of the unit, usually near the compressor. Sometimes these drains are clogged with food debris, other times some of the melt water does not completely drain, and freezes - this build up of ice can then clog the drain. You can unplug the fridge, with both doors open and a fan blowing for 24 hours to temporarily remove the ice and water, but it will return most likely, in which case you would need to have the drain cleared out and / or have a drain heater installed by a qualified refrigerator repair service.

Defrost timer is working or there would not be water/ice in the bottom pan (as you describe it.). Check that the drain tube from the pan to the bottom evaproation tray under the refrigerator is clear of restriction.

in 601 model. really common problem is the drain hater. watch close the ice maker for a BIG long ice. on the cotton psrt of the back wall. some models have 1 some 2 depends in the serial num. ask you tech for replace the DRAIN TUBE HEATER. that way your cover. really helps a lot the code number...................good luck................. leave a comment...........thanks

Your defrost drain tube is clogged up. Remove the ice and look for the top of a drain tube about 3/8-1/2" in diameter. Once the ice is gone, use a meat baster (turkey baster) full off hot water stuck in the top of the drain tube and blast hot water through to clean it out. Do this several times with about 4 cups of hot water so you don't over flow the drain pan and flood the floor

Remove the back cover to access the top of that drain line. Take some table salt in a tablespoon and dump in the tube. Will drain so fast you won't believe it. Might have a big build up of ice blocking the top so get your hair dryer and defrost that big build up. Flush with small amount of water and monitor the drain pan located under neath the freezer. hope this was helpfull

don't know this appliance but for guidence:
some appliances have the evaporator in a compartment at the top of the freezer and the drain comes out of the back and runs externally to the drip tray. there should be a grill in the compartment so just peer into it and see if there is ice build up.
wherabouts is the freezer ice forming?