How To Reset A Whirlpool Refrigerator Compressor

Picture this: you open your Whirlpool refrigerator, expecting that familiar hum of cool efficiency, but instead, you’re met with silence and rising temperatures. A failing compressor can turn a perfectly good fridge into a giant, expensive cooler in no time, putting your groceries—and your wallet—at risk. Before you panic and call a pricey technician, there’s a crucial DIY step many homeowners overlook: a simple reset.

This isn’t about complex repairs; it’s about understanding how your appliance works and leveraging basic troubleshooting to potentially save hundreds of dollars. Sometimes, electronic control boards or internal relays can get confused, leading to the compressor refusing to kick on. A proper reset can often clear these temporary hiccups, bringing your fridge back to life.

In this comprehensive guide, we’ll walk you through exactly how to reset a Whirlpool refrigerator compressor, detailing the steps, safety precautions, and what to do if a reset isn’t enough. We’ll empower you with the knowledge to diagnose common issues and tackle them with confidence, just like a seasoned pro in your own workshop.

Understanding Your Whirlpool Refrigerator Compressor

The compressor is the heart of your refrigerator’s cooling system. It’s a sealed unit that pressurizes refrigerant, circulating it through coils to absorb heat from inside the fridge and release it outside. When it’s not working correctly, your food won’t stay cold.

Knowing its function helps you understand why a reset can be a viable first step.

How a Compressor Works

A refrigerator compressor uses an electric motor to pump refrigerant gas. This gas is compressed, which raises its temperature and pressure. It then flows through the condenser coils, where it releases heat to the surrounding air and condenses into a liquid.

The liquid then moves through an expansion valve, dropping in pressure and temperature, before entering the evaporator coils inside the refrigerator. Here, it absorbs heat from the food compartment, turning back into a gas, and the cycle repeats.

Common Symptoms Needing Attention

Several signs might indicate your compressor is struggling or not running at all. Recognizing these symptoms is key.

• Your refrigerator isn’t cooling, but the lights are on.
• The compressor is unusually loud, clicking, or humming but not starting.
• There’s no humming sound coming from the back of the fridge.
• Food is spoiling quickly despite the fridge being plugged in.
• The back of the refrigerator, near the compressor, feels unusually hot or cold to the touch.

These symptoms don’t always point to a faulty compressor, but they certainly warrant investigation, starting with a reset.

Safety First: Essential Precautions Before Any Refrigerator Repair

Before you even think about how to reset a whirlpool refrigerator compressor, safety must be your absolute priority. Working with appliances that involve electricity and refrigerants carries inherent risks. A casual approach can lead to electrical shock or further damage.

Always treat electrical appliances with respect and caution.

Disconnecting Power Safely

This is the most critical step. Never work on an appliance while it’s still connected to a power source.

1. Unplug the Refrigerator: Locate the power cord and pull it directly from the wall outlet. Do not just flip a switch; ensure it’s physically disconnected.
2. Verify Power is Off: If the outlet is hard to reach, you can trip the circuit breaker in your home’s electrical panel that controls the kitchen outlets. It’s wise to use a non-contact voltage tester on the outlet to double-check.
3. Wait a Few Minutes: Even after unplugging, some components can hold a residual charge. Waiting 5-10 minutes ensures capacitors have discharged.

Always assume components are live until you’ve positively confirmed otherwise.

Working Around Refrigerant Lines

Refrigerant is a chemical under pressure. While a simple reset doesn’t typically involve opening the sealed system, it’s good to be aware.

• Do Not Puncture Lines: The copper and aluminum lines around the compressor contain refrigerant. Puncturing them can release harmful chemicals and damage the unit beyond DIY repair.
• Avoid Bending or Kinking: These lines are delicate. Excessive force can crimp them, restricting refrigerant flow.
• Ventilation: If you ever suspect a leak (a sweet chemical smell), ensure the area is well-ventilated and consider professional help immediately.

Your goal is to reset the electrical components, not to tamper with the sealed cooling system.

Step-by-Step Guide: How to Reset a Whirlpool Refrigerator Compressor

The primary method to reset a Whirlpool refrigerator compressor involves a simple power cycle. This often resolves minor electronic glitches that prevent the compressor from starting.

Follow these steps carefully to perform the most common and safest reset.

The Basic Power Cycle Reset

This is your go-to first attempt when the compressor isn’t running.

1. Empty the Refrigerator: If possible, remove perishable food to a cooler, especially if you anticipate the fridge being off for more than 15-20 minutes.
2. Unplug the Refrigerator: As emphasized in the safety section, pull the power cord from the wall outlet.
3. Wait 5-10 Minutes: This waiting period is crucial. It allows the control board and any associated electronics to fully discharge and clear their memory.
4. Plug it Back In: Reconnect the power cord firmly into the wall outlet.
5. Listen and Observe: Within a few minutes, you should hear the compressor hum to life. The internal fan should also start circulating air.
6. Monitor Cooling: Give the refrigerator a few hours to cool down. Check the temperature after 2-4 hours to ensure it’s reaching and maintaining the desired coolness.

This simple process often fixes issues caused by power fluctuations or temporary software bugs.

Checking the Compressor Overload Protector

If the basic power cycle doesn’t work, sometimes a compressor’s thermal overload protector might be tripped. This small, disc-shaped component is designed to shut off power to the compressor if it overheats, preventing damage.

• Locate the Compressor: It’s usually a black, round component at the bottom rear of the refrigerator. You might need to remove a rear access panel.
• Identify the Overload Protector: This is a small component clipped to the side of the compressor, typically where the power wires connect.
• Inspect for Damage: Look for any signs of burning or melting. If it’s visually damaged, it needs replacement, not a reset.
• Allow to Cool: If the compressor has been running hot, the overload protector might just need time to cool and reset itself. This is why the 5-10 minute unplugging step is helpful.

There isn’t a manual “reset button” on most overload protectors; they reset automatically once cooled.

Locating the Main Control Board Reset Button (if applicable)

Some advanced Whirlpool models might have a diagnostic or reset button on the main control board, which controls various refrigerator functions, including the compressor.

• Consult Your Manual: The best place to find this information is your specific refrigerator’s owner’s manual. It will detail if such a button exists and how to use it.
• Access the Control Board: The control board is often located at the back of the refrigerator, behind an access panel, or sometimes in the dispenser area.
• Follow Manual Instructions: If a reset button exists, the manual will specify the sequence (e.g., press and hold for 3 seconds).

Do not press random buttons on the control board without consulting the manual, as this could lead to further complications.

Troubleshooting After a Compressor Reset: What Next?

After you’ve attempted to reset a Whirlpool refrigerator compressor, it’s crucial to evaluate whether the reset was successful. Don’t just assume it’s fixed.

Monitoring for specific indicators will tell you if the compressor is now operating correctly or if further action is needed.

Listening for Compressor Engagement

The most immediate sign of a successful reset is the sound.

• The Hum: A healthy compressor produces a low, steady hum. Listen for this sound coming from the back of the refrigerator.
• Fan Noise: Simultaneously, you should hear the evaporator fan inside the freezer compartment and the condenser fan near the compressor start up.
• Clicking Sounds: If you hear repeated clicking without the compressor starting, it might be the start relay trying and failing to engage the compressor. This suggests a problem beyond a simple reset.

Silence or persistent clicking usually indicates the issue hasn’t been resolved.

Checking for Adequate Cooling

After confirming the compressor is running, the next step is to verify actual cooling performance.

• Feel the Freezer/Fridge: Within an hour, you should feel a noticeable drop in temperature inside both compartments.
• Use a Thermometer: For accurate results, place a refrigerator thermometer in both the freezer and fresh food compartments. The freezer should reach 0°F (-18°C) and the fridge 37°F (3°C) within several hours.
• Condenser Coils: Carefully feel the condenser coils at the back or bottom of the fridge. They should feel warm as they dissipate heat.

Insufficient cooling after several hours points to a more complex problem than a simple electronic glitch.

When to Suspect Deeper Issues

If the compressor still isn’t running, or if it runs but fails to cool adequately, the problem likely lies deeper than a simple reset can fix.

• Faulty Start Relay: This small component provides a jolt of power to get the compressor motor running. A clicking sound without the compressor starting often indicates a bad start relay.
• Bad Compressor Motor: The compressor itself can fail internally, meaning it simply won’t start or run efficiently.
• Refrigerant Leak: If the compressor runs but the fridge doesn’t cool, there might be a leak in the sealed system, leading to a loss of refrigerant.
• Control Board Malfunction: A faulty main control board might not be sending the correct signals to the compressor.

These issues typically require professional diagnosis and repair, as they involve specialized tools and knowledge of refrigeration systems.

Common Problems Mimicking Compressor Issues & Simple Checks

Sometimes, you might think your compressor is the problem, but another component is actually at fault. It’s helpful to rule out these simpler issues before diving into more complex diagnostics or calling a pro. These checks are typically safe to perform after unplugging the unit.

Understanding these common culprits can save you time and unnecessary worry.

Dirty Condenser Coils

The condenser coils, usually located at the back or underneath your refrigerator, dissipate heat from the refrigerant. If they’re covered in dust and pet hair, they can’t do their job efficiently.

• Symptoms: Fridge not cooling properly, compressor running constantly, high energy bills.
• The Fix: Unplug the refrigerator. Use a vacuum cleaner with a brush attachment and a coil brush to thoroughly clean the coils.

This simple maintenance task should be done every 6-12 months.

Faulty Evaporator Fan Motor

The evaporator fan, located in the freezer compartment, circulates cold air throughout the freezer and into the fresh food section. If it fails, cold air won’t distribute, even if the compressor is working.

• Symptoms: Freezer is cold, but the fridge isn’t; no air movement sound from the freezer.
• The Fix: Unplug the fridge. Open the freezer door and listen. If you don’t hear the fan, or it makes grinding noises, the motor might need replacement. This is often a DIY-friendly repair.

You can often access this fan by removing the rear panel inside your freezer.

Door Seal Leaks

Damaged or dirty door seals (gaskets) allow warm air to enter the refrigerator, forcing the compressor to work harder and longer to maintain temperature.

• Symptoms: Fridge running constantly, frost buildup, food spoiling quickly near the door.
• The Fix: Inspect the seals for cracks, tears, or gaps. Clean them with warm, soapy water. Test by closing the door on a dollar bill; if you can pull it out easily, the seal is weak. Replacement seals are available and usually easy to install.

Maintaining good door seals is crucial for energy efficiency and proper cooling.

Defrost Timer or Heater Malfunction

Modern refrigerators have automatic defrost systems. If the defrost timer or heater fails, ice can build up on the evaporator coils, blocking airflow and preventing cooling.

• Symptoms: Excessive frost in the freezer, warm fresh food section, compressor running but no cooling.
• The Fix: Unplug the fridge and manually defrost it by leaving the doors open for 24-48 hours with towels to catch water. If cooling returns after defrosting but then fails again due to ice buildup, a component in the defrost system is likely faulty.

Replacing defrost components can be a bit more involved but is often within reach for a confident DIYer.

Tools and Materials for Refrigerator Diagnostics

While you won’t need much to simply how to reset a whirlpool refrigerator compressor, having a few basic tools on hand can greatly assist in diagnosing issues if the reset doesn’t work. These are common items found in most DIY workshops.

Being prepared with the right tools makes troubleshooting more efficient and safer.

Basic Hand Tools

These are your everyday essentials for accessing components.

• Screwdriver Set: Philips and flathead screwdrivers will be necessary to remove access panels.
• Nut Driver Set or Socket Set: Some panels and components are secured with hex-head screws.
• Flashlight: Essential for illuminating dark areas behind and inside the refrigerator.
• Work Gloves: Protect your hands from sharp edges or grime.

Ensure your tools are in good condition before you start.

Multimeter for Electrical Checks

A multimeter is invaluable for checking electrical continuity and voltage, especially if you suspect a faulty start relay, overload protector, or control board.

• Continuity Test: Used to check if a circuit is complete (e.g., if a fuse is blown or a wire is broken).
• Voltage Test: Measures the electrical potential, useful for confirming power delivery to components.
• Ohms Test: Measures resistance, which can help diagnose motors or heating elements.

If you’re not comfortable using a multimeter for live electrical checks, stick to continuity tests with the power off. When in doubt, call a professional.

When to Call a Professional Appliance Technician

While it’s empowering to tackle DIY repairs, knowing your limits is a sign of a smart DIYer. There are specific scenarios where calling a qualified appliance technician is not just recommended, but essential for safety and effective repair.

Don’t hesitate to seek expert help when the problem is beyond your comfort or skill level.

Complex Electrical Failures

If your multimeter readings are confusing, or if you suspect a major electrical fault on the control board or wiring harness, it’s time to step back.

• Live Voltage: Working with live voltage is dangerous and requires specialized training.
• Component-Level Repair: Replacing a main control board or diagnosing intricate wiring problems is best left to those with expertise in appliance electronics.

Incorrect electrical repairs can lead to fire hazards or further damage to your appliance.

Refrigerant Leaks

If you smell a sweet, chemical odor, notice oily residue around the compressor, or the compressor runs continuously without cooling, you might have a refrigerant leak.

• Environmental Hazard: Refrigerants are potent greenhouse gases and must be handled and disposed of responsibly.
• Specialized Equipment: Detecting and repairing refrigerant leaks requires specialized tools for leak detection, evacuation, and recharging the system. This is not a DIY task.

Attempting to repair a sealed system yourself can be dangerous and is often illegal without proper certification.

Compressor Replacement

If diagnostics point to a failed compressor motor, this is a job for a professional.

• High Cost & Complexity: Compressor replacement is one of the most expensive and labor-intensive refrigerator repairs.
• Sealed System Expertise: It involves cutting and welding refrigerant lines, evacuating the system, and recharging it, all of which require specialized skills and equipment.

Often, if the compressor needs replacing, especially on an older unit, the cost of repair might approach the cost of a new refrigerator.

Frequently Asked Questions About Whirlpool Refrigerator Compressors

Here are some common questions DIYers have when dealing with Whirlpool refrigerator compressor issues.

How long does it take for a refrigerator compressor to reset?

A power cycle reset is instant in terms of clearing the control board’s memory. However, it can take 5-10 minutes for the compressor to restart and a few hours (2-4 hours, or even up to 24 hours for full stabilization) for the refrigerator to reach its optimal cooling temperature after a reset.

What causes a Whirlpool refrigerator compressor to fail?

Compressors can fail due to several reasons, including prolonged running caused by dirty coils or poor ventilation, faulty start relays, power surges, age and wear, or refrigerant leaks leading to insufficient lubrication. Manufacturing defects are also possible but less common.

Can I replace a refrigerator compressor myself?

No, replacing a refrigerator compressor is generally not a DIY task. It involves working with a sealed refrigerant system, which requires specialized tools, training, and often environmental certifications to handle refrigerants safely and legally. It’s best left to a certified appliance technician.

Is there a reset button on a Whirlpool refrigerator compressor?

There isn’t typically a manual “reset button” directly on the compressor itself. The most common reset method is a power cycle (unplugging and replugging the unit). Some models might have a diagnostic or reset button on the main control board, but you’d need to consult your specific model’s manual.

How do I know if my compressor is bad or just needs a reset?

If a simple power cycle reset doesn’t make the compressor start, or if it starts but makes loud clicking/grinding noises and fails to cool, it’s likely a more serious issue than a simple reset can fix. A professional diagnosis using a multimeter to test components like the start relay and compressor windings can confirm a bad compressor.

Conclusion

Tackling a refrigerator issue can feel daunting, but knowing how to reset a Whirlpool refrigerator compressor is a powerful first step in your DIY arsenal. This simple power cycle often resolves temporary glitches, saving you time, money, and the hassle of a service call. Remember, the core of any successful DIY project, whether it’s woodworking, metalworking, or appliance repair, lies in careful preparation, understanding the task, and prioritizing safety above all else.

Always start with the basics, observe the symptoms, and follow our step-by-step guidance. If a simple reset doesn’t solve the problem, you now have a clearer understanding of what might be wrong and when it’s time to call in a professional. Keep learning, keep tinkering, and keep improving your craft. Your workshop isn’t just a place for projects; it’s a place for problem-solving.

• Author
• Recent Posts

Jim Boslice

Jim Boslice is a power tool enthusiast who tests, reviews, and shares practical guides to help DIYers and professionals choose the right tools for every project.

Latest posts by Jim Boslice (see all)

• Whirlpool Refrigerator Power Cord Replacement – Restore Power Safely - July 8, 2026
• Whirlpool Refrigerator Display Symbols – Decode Error Codes & - July 8, 2026
• Whirlpool Refrigerator Flexi Slide Bin Installation - July 8, 2026