What Is The Most Common Problem With Whirlpool Refrigerators

ByJim Boslice Home & Kitchen

The most common problem with Whirlpool refrigerators is a failure in the automatic defrost system, which typically involves a faulty defrost heater, thermostat, or control board. This leads to frost buildup on the evaporator coils, preventing the unit from maintaining cold temperatures.

Secondary common issues include malfunctioning ice makers and clogged drain tubes that result in water leaking onto the floor or inside the freezer compartment.

You rely on your refrigerator to keep your food fresh and your drinks cold after a long day in the workshop. When you notice your milk is lukewarm or there is a sheet of ice on the freezer floor, it can feel like a major setback. If you are currently asking yourself what is the most common problem with whirlpool refrigerators, you are likely dealing with a cooling or ice-making issue that is actually quite common among DIYers.

The good news is that most Whirlpool models are designed with modular parts that are relatively easy to test and replace. Whether you have a side-by-side, a French door, or a top-freezer model, the internal mechanics share many similarities. By understanding how these systems work, you can save hundreds of dollars in professional repair fees and keep your appliance running for another decade.

In this guide, I will walk you through the primary culprits behind Whirlpool failures and provide actionable steps to diagnose them. We will look at everything from the defrost circuit to the water inlet valves. Grab your multimeter and your nut driver set, and let’s get that fridge back in working order.

what is the most common problem with whirlpool refrigerators and DIY Solutions

Statistically, the most frequent headache for Whirlpool owners is the automatic defrost system failing. When this system breaks down, the evaporator coils in the freezer become choked with frost and ice. This ice acts as an insulator, preventing the fan from pulling heat out of the refrigerator compartment, which causes the temperature to rise.

The defrost system is composed of three main parts: the defrost heater, the defrost thermostat (or bi-metal switch), and the control board (or timer). If any of these components fail, the fridge will stop its self-cleaning cycle. You might notice the freezer is still somewhat cold, but the refrigerator side is warm.

To diagnose this, you should first inspect the back wall of your freezer. If you see heavy frost or ice crystals forming on the plastic panel, the defrost system is likely the culprit. Knowing what is the most common problem with whirlpool refrigerators allows you to skip the guesswork and go straight to testing the heater and thermostat with a multimeter for continuity.

Testing the Defrost Heater

The defrost heater is a glass or metal tube located at the bottom of the evaporator coils. Its job is to melt away frost every 8 to 12 hours. To test it, you must unplug the refrigerator and remove the rear freezer panel. Use a 1/4-inch nut driver to remove the screws holding the panel in place.

Once you locate the heater, pull the wire connectors off the terminals. Set your multimeter to the ohms (Ω) setting and touch the probes to the heater terminals. If the meter shows “OL” or no movement, the heater is “open” and must be replaced. A working heater should show a resistance reading between 20 and 50 ohms.

Checking the Defrost Thermostat

The defrost thermostat is a small circular component clipped to the top of the evaporator coils. It monitors the temperature of the coils and shuts off the heater once the ice has melted. If this part fails, it may never tell the heater to turn on in the first place.

This part is unique because it only shows continuity when it is cold (below 40°F). If the freezer is already iced up, you can test it immediately. If it shows no continuity while it is covered in ice, the bi-metal switch inside has failed. This is a very inexpensive part and a common fix for Whirlpool units.

The Battle with Failing Ice Makers

The second most frequent issue Whirlpool owners report involves the ice maker assembly. You might find that your ice maker has stopped producing cubes entirely, or it is making very small, thin ice. This is often caused by a failing water inlet valve or a clogged water filter.

The water inlet valve is an electronically controlled solenoid located at the back of the fridge where the main water line connects. Over time, mineral deposits from hard water can clog the valve or cause the solenoid to burn out. If the valve doesn’t open fully, the ice maker tray won’t fill with enough water.

Before replacing the valve, always check your water filter first. A clogged filter can restrict flow enough to prevent the ice maker from functioning. If you haven’t changed your filter in over six months, swap it out and see if the ice production improves. This simple step often solves what seems like a mechanical failure.

Inspecting the Ejector Arm and Mold

Sometimes the mechanical parts of the ice maker itself wear out. Inside the ice maker, there is a small motor that turns an ejector arm to push the cubes into the bin. If the motor gears strip or the mold coating starts to peel, the ice will get stuck.

If you see ice stuck in the tray and the arms aren’t moving, the ice maker module likely needs to be replaced as a whole unit. These are usually held in by two screws at the top and a single plug. It is a 10-minute DIY job that can restore your “luxury” of automated ice.

Checking the Water Fill Tube

In many Whirlpool models, the fill tube that delivers water into the ice maker can freeze solid. This happens if the water pressure is too low or if the inlet valve is leaking slightly. When water drips slowly, it freezes before it can reach the tray, eventually creating an ice plug.

You can use a hair dryer on a low heat setting to melt the ice inside the fill tube. Be careful not to melt the plastic components. Once cleared, ensure your home water pressure is at least 20 psi to prevent the tube from freezing again in the future.

Why Is My Whirlpool Leaking Water?

A puddle of water on the floor is a classic sign of a clogged defrost drain tube. During the defrost cycle, the melted ice is supposed to flow down a drain hole, through a tube, and into a pan at the bottom of the fridge where it evaporates. If this hole gets plugged with debris or ice, the water overflows.

In top-freezer models, this water usually ends up dripping into the refrigerator section, often soaking your vegetables. In bottom-freezer or side-by-side models, the water freezes on the floor of the freezer, eventually leaking out the front door. This is a messy but very manageable repair for any garage tinkerer.

To fix this, you need to find the drain hole located under the evaporator coils. Use a mixture of warm water and a small amount of bleach or white vinegar to flush the line. You can also use a flexible piece of weed-eater string to gently poke through the clog. This clears out the “slime” or ice that is blocking the path.

Dirty Condenser Coils and Cooling Efficiency

While we often look for broken parts, sometimes the issue is simply maintenance neglect. Even though we identified what is the most common problem with whirlpool refrigerators as the defrost system, dirty condenser coils are a close runner-up for causing cooling failures. If your compressor is running constantly but the fridge isn’t cold, check the coils.

The condenser coils are located either at the bottom of the unit behind the kickplate or on the back. These coils dissipate heat. If they are covered in dust, pet hair, or sawdust from your workshop, the fridge cannot shed heat effectively. This forces the compressor to work twice as hard, leading to premature failure.

I recommend cleaning these coils every six months. Use a coil brush or a vacuum with a long crevice tool. Simply removing the layer of “fuzz” from the coils can drop the internal temperature of your fridge and lower your electricity bill significantly. It is the easiest “repair” you will ever perform.

Checking the Condenser Fan

While you are cleaning the coils, take a look at the condenser fan motor. This fan sits near the compressor and pulls air through the coils. If the fan is stuck or the motor has burned out, the compressor will overheat and shut down on a thermal overload switch.

Give the fan blade a flick with your finger (with the power off). It should spin freely. If it feels stiff or gritty, the bearings are shot. Replacing a condenser fan is a bit of a tight squeeze, but it is a standard part that keeps the heart of your refrigerator beating.

Electronic Control Board Failures

Modern Whirlpool refrigerators rely on a main control board (often called a “Jazz” board in certain models) to manage the cooling cycles. If your fridge is acting erratically—such as the lights flashing, the compressor clicking, or the display showing “PE0000″—the board is likely failing.

Control boards are sensitive to power surges. If you live in an area with frequent thunderstorms, your fridge’s “brain” might have taken a hit. You can often inspect the board for visible signs of damage, such as burnt traces or “puffed” capacitors. These boards are usually located in a housing on the back of the refrigerator or inside the temperature control housing.

Replacing the board is a matter of unplugging the old wire harnesses and snapping the new board into place. However, be aware that some Whirlpool boards require a programming code after installation. This code is usually found on the model number sticker or a small sheet tucked inside the unit.

Safe DIY Practices for Refrigerator Repair

Before you dive into any of these repairs, safety must be your top priority. Refrigerators are heavy, use high voltage, and contain pressurized refrigerants. Always unplug the unit before removing any panels or touching electrical terminals. Even a small 120V shock can be dangerous in a cramped kitchen environment.

If your repair involves the sealed system (the compressor, refrigerant lines, or evaporator), you must call a licensed professional. Federal law prohibits DIYers from opening refrigerant lines because of environmental and safety risks. If your compressor has “died” or there is a leak in the coolant lines, it is usually more cost-effective to buy a new unit than to pay for a sealed system repair.

Always use the correct tools. A standard 1/4″ and 5/16″ nut driver will cover 90% of the fasteners on a Whirlpool. A reliable digital multimeter is also essential for verifying that a part is actually broken before you spend money on a replacement. Don’t be a “parts changer”—be a technician who diagnoses the root cause.

Frequently Asked Questions About Whirlpool Fridge Issues

Why is my Whirlpool refrigerator clicking but not starting?

This is usually a sign of a failing start relay on the side of the compressor. The relay helps the compressor kick over. If it fails, the compressor will try to start, fail, and make a “click” sound. You can replace the relay for a small cost, which often saves the entire refrigerator.

How do I know if my defrost timer is bad?

On older Whirlpool models, you can find the defrost timer (usually behind the kickplate or in the control housing) and turn the screw slowly with a flathead screwdriver. If the fridge shuts off and the heater starts to warm up, the timer was likely stuck. If nothing happens, the timer motor may be dead.

What is the most common problem with whirlpool refrigerators regarding the freezer?

The most common freezer-specific issue is ice buildup on the floor. This is almost always due to a clogged defrost drain tube. It prevents water from exiting the unit during the defrost cycle, causing it to freeze into a thick sheet of ice at the bottom of the freezer compartment.

Why is my refrigerator making a loud buzzing noise?

A loud buzzing or vibrating noise is often caused by the evaporator fan motor in the freezer. If ice builds up and hits the fan blades, or if the motor bearings wear out, it will create a loud drone. If the noise stops when you open the freezer door, the evaporator fan is definitely the source.

Can I fix a Whirlpool refrigerator that isn’t cooling at all?

Yes, as long as the compressor is still humming. If the compressor runs but there is no cooling, you likely have a defrost issue or dirty coils. If the compressor doesn’t run at all, check the start relay, the thermostat settings, or the main control board.

Final Thoughts on Whirlpool DIY Repairs

Taking the time to understand what is the most common problem with whirlpool refrigerators empowers you to take control of your home maintenance. Most of these issues—from frosted coils to clogged drains—are well within the reach of a determined DIYer. By following a logical diagnostic process, you can avoid the high cost of service calls and keep your appliances out of the landfill.

Remember to always start with the simplest solution first. Check your power cord, clean your coils, and replace your water filter before you start tearing out control boards. Most of the time, a little bit of cleaning and a $20 part are all that stands between you and a perfectly functioning refrigerator. Keep your tools sharp and your fridge cold—you’ve got this!

Jim Boslice
Latest posts by Jim Boslice (see all)

Similar Posts