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why does my refrigerator drain freeze up

by Marvin Glover Published 3 years ago Updated 2 years ago

This is usually caused by the defrost drain clogging, then freezing. On older units, it can also happen when the insulation (usually open-cell Styrofoam

Styrofoam

Styrofoam is a trademarked brand of closed-cell extruded polystyrene foam, commonly called "Blue Board" manufactured as foam continuous building insulation board used in walls, roofs, and foundations as thermal insulation and water barrier. This material is light blue in color and is o…

) around the drain gets 'water-logged', as it often does over the years, causing ice to build up inside the drain.

The Problem: Refrigerators with defrosting coils, melt out the ice built up in the freezer by heating up and allowing the water to drip into the defrost drain. When the water arrives at the tip of the drain, it is close to freezing temperature and the drain typically freezes shut.

Full Answer

Is your refrigerator drain freeze up?

Here's a little trick I used for over 30 years, and it saved countless return trips on refrigerator jobs. One of the most common problems with frost-free refrigerators (and often with upright frost-free freezers) is drain freeze up. This is usually caused by the defrost drain clogging, then freezing.

Why is my refrigerator freezer freezing up?

Often, the cause stems from the refrigerator water lines freezing over and preventing proper water flow. This often happens if the freezer is getting excessively cold or if the door insulation is not fully shielding the water line.

Why does the water stop flowing when the refrigerator is cold?

In order to allow smooth water flow, the refrigerator line itself needs to maintain a constant optimal temperature. The water line has to be warm enough to keep the water flow from freezing over before it gets to its destination. If the water line temperature gets too low, the water inside will begin to freeze and stop flowing.

What causes a clogged refrigerator drain tube?

Even the smallest onion peel or spinach leaf can cause a massive clog in your thin drain tube. Even if you do not have physical debris entering your drain tube, ice can cause a clog to form. Sometimes, if the refrigerator or freezer is fully stocked, the temperature will drop lower than usual inside the fridge.

How do I keep my freezer drain from freezing?

0:341:51Frozen Drain Fix For Whirlpool Refrigerator - YouTubeYouTubeStart of suggested clipEnd of suggested clipBut they told us a way to keep it from that little drain from freezing up and it's to take a pieceMoreBut they told us a way to keep it from that little drain from freezing up and it's to take a piece of wire this just little piece of copper wire I just made it it's probably about.

How do you unfreeze a refrigerator drain?

0:343:18Refrigerator Troubleshooting: How to Unclog a Defrost Line - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf the opening is frozen over you'll need to follow that out gently. So using either a hairdryer orMoreIf the opening is frozen over you'll need to follow that out gently. So using either a hairdryer or some type of gentle Heat allow that to thaw or melt.

Why does the bottom of my fridge keep freezing?

Freezing is more likely to occur when the refrigerator does not have enough food to absorb the cold air. If foods in the crisper, deli and/or snack drawers are freezing: Make sure the drawers/bins are at least 1/2 full.

How do you unclog a refrigerator drain tube?

5:119:10How to Unclog a Refrigerator Drain Line - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo I'm just got a little squeegee with some hot water.MoreSo I'm just got a little squeegee with some hot water.

What happens if fridge drain hole blocked?

This drain hole is in place to catch the moisture which collects in a fridge, particularly that which builds up on the back wall of the fridge. If the drain hole becomes blocked, this then causes problems for the rest of your refrigerator.

How do you clean a refrigerator drain line?

2:024:17How to clean a refrigerator drain - YouTubeYouTubeStart of suggested clipEnd of suggested clipIt might be wise to possibly. Put some as a further curative you could put some either vinegar downMoreIt might be wise to possibly. Put some as a further curative you could put some either vinegar down the drain or maybe bleach. I've heard the bleach can be damaging to certain plastics.

How do you fix a refrigerator that keeps freezing?

1. Check the Temperature Setting. To maintain the optimum temperature range for fresh food, keep your refrigerator's temperature setting between 38 and 40 degrees Fahrenheit. If it is freezing, then we recommend that you turn your fridge's temperature up.

What number should your fridge be on?

Check the temperature setting on your refrigerator. It should be set between 37°F and 40°F—the ideal refrigerator temperature to keep food fresh and cold but not frozen. If you have a numbered dial setting instead of a temperature reading, the highest number is the coldest (usually 5).

What temperature should a fridge be set at?

37° FIs there a “correct” temperature for refrigerators and freezers? Yep: A fridge temperature of 37° F will keep fresh food good for as long as possible—with no ice crystals on lettuce or bacteria breeding in raw meats. As for the freezer, a temperature of 0° F will keep foods thoroughly frozen.

How do you clean a frozen freezer drain hole and tube?

To stop the freezer from leaking, you will need to get the drain tube cleared of ice or debris. There may be ice in the tube or it may be clogged with debris. Use a turkey baster filled with hot water and force the water into the drain hole. Repeat this multiple times to clear out the DRAIN TUBE.

Where does fridge drain hole go?

The first thing to check is the drainage hole. You should find it at the back of the fridge at the bottom of the back wall. Fridges are designed so condensation can filter through this hole into a small pan that sits on top of the compressor. The heat from the compressor then causes the water to evaporate.

1. Broken Seal

If a refrigerator is freezing food at the lowest setting then it might come down to a broken seal.

2. Incorrect User Setting

If you are asking, “How do I stop my fridge from freezing?” it might be time to look at the most basic issue that arises in situations such as these.

3. Fridge Coils Are Dirty

When the coils in the refrigerator freeze up, it’s common for dirt and grime to be the issue.

4. Improper Air Duct

This is not a common problem and only becomes an issue with specific fridge models.

What Does the Refrigerator Water Line Do?

The ice maker and water dispenser need a water source in order to operate. The refrigerator typically connects to the kitchen feed pipe, which sources your sink and dishwasher. So you’ll need some pathway to move the water from the home’s main line into the refrigerator.

What Might Cause a Freezing Refrigerator Water Line?

In order to allow smooth water flow, the refrigerator line itself needs to maintain a constant optimal temperature. The water line has to be warm enough to keep the water flow from freezing over before it gets to its destination. If the water line temperature gets too low, the water inside will begin to freeze and stop flowing.

How Do I Correct a Frozen Refrigerator Water Line?

You’ll need to figure out why the line is freezing over: is it too much cold or too much moisture? You can easily check the temperature by placing a thermometer between packages inside. If the temperature is lower than ideal, raising the thermostat can correct the problem quickly.

Related Questions

Lower water pressure in the refrigerator depends on several factors, including the model itself. Manufacturers build their appliances and operating system in vastly different ways. There are some basic areas you can check regardless of the model to help adjust low water pressure.

Why does my refrigerator leak?

The biggest reason for a refrigerator leak is a clogged drain tube. With self-defrosting refrigerators, the defrost cycle occurs about every 4-6 hours. This continuous cycle leaves ample opportunity for a blocked drain tube to become a big disaster. If you notice that your refrigerator is leaking, check the drain tube first.

Why is my refrigerator drip pan full?

Because the refrigerator has not been draining sufficiently for some time, and you have just flushed the hot water mixture through the drain tube, the chances are high that your drip pan is quite full. To prevent leaks, empty your drip pan located at the bottom of your refrigerator.

Why is my drain clogged with ice?

The first reason for ice in your drain tube could simply be that your refrigerator or freezer temperature is set too low.

How to tell if your fridge drain tube is clogged?

When your drain tube is clogged and fails to drain water away from the fridge appropriately, you will usually notice water pooling in the fridge. Pay attention to the area below the fruit and vegetable bins and the tray under the freezer. Another sign that your drain tube may be clogged is ice collected in the bottom of the freezer.

Why is there standing water in my refrigerator?

Luckily, there’s a good chance that the standing water you see in the fridge is the result of a clogged drain tube.

How to get rid of ice in drain?

If you notice ice, you can use a hairdryer set to a low heat temperature to melt the ice and free the clog. Run the hairdryer along the drain tube line evenly to prevent overheating and possible damage to the drain tube.

How does a refrigerator cycle work?

This cycle warms the temperature inside the fridge, which can produce additional water and moisture. In a normally functioning refrigerator, the water collected will funnel down a drain into a pan at the fridge’s bottom, where the water will simply evaporate. This procedure helps to keep your refrigerator cycled and allows ...

Why does my refrigerator freeze?

Another reason your refrigerator is freezing is the air damper control assembly. Check it and replace it if you find that it is open all the way or even partially open. The damper closes and open to let in the right amount of cold air into the refrigerator.

Why is my Whirlpool freezer not freezing?

If your Whirlpool upright freezer top shelf is not freezing, check the temperature setting of the freezer. If it is too high, reduce and see if the top shelf starts cooling. Fluctuation in temperature usually affects the top shelf faster than any other shelf because it is closer to the air vents.

What does it mean when a thermostat is defective?

A defective thermostat means the heater will not turn on and then, the coils will become frozen. 3. Defrost Timer.

How to check if Whirlpool refrigerator is faulty?

Check the following parts of the Whirlpool refrigerator if the evaporator coils is freezing up and replace them if they are faulty: 1. Defrost Heater. Test the heater with a multimeter to check for continuity. The heater is usually wrapped around the coils. If there is no continuity, replace it. The defrost heater comes on a few times in ...

Why replace door gasket on refrigerator?

The door gasket creates a tight seal so outside air doesn’t seep into the refrigerator and the cool air inside doesn’t escape. If the gasket is broken or torn, humid outside air will seep into the unit and condense and freeze on the coils.

How to check if freezer fan motor is bad?

Check the fan motor by opening the door of the freezer and manually activating the door switch. If the fan motor does not run even with the door switch activated, the motor is bad and should be replaced.

What to do if there is no continuity in refrigerator?

If you find no continuity, replace the thermostat. The temperature control thermostat is responsible for directing the right amount of voltage to the compressor, the evaporator fan motor and the condenser fan motor where it is applicable. If it is faulty, the refrigerant could run too long and freeze the refrigerator.

What is the condensation on a freezer?

Here’s the inside scoop: As the compressor runs, humidity in the air inside the freezer condenses onto the surface of the evaporator. This frozen water on the evaporator is called condensate.

What happens when a compressor defrosts?

During defrost, the compressor is turned off and a heater under the evaporator is fired up to melt the condensate off. As the condensate melts, it drips into the pan beneath the evaporator. Problem is that, in this particular design fluke, the defrost cycle ends and the compressor starts running again before all the water drains from the pan and, ...

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