Moffat Fridge Not Cooling: Here’s What You Need to Know

A Moffat fridge that’s not cooling can quickly disrupt your daily routine, putting your fresh produce, dairy, and beverages at risk of spoiling. This issue can stem from a range of causes, some simple, like incorrect temperature settings or blocked vents, and others more serious, such as faulty components. Knowing the possible reasons and how to address them can save you time, money, and food waste. In this article, we’ll explore the common causes of cooling problems in Moffat fridge parts and practical steps you can take to restore optimal performance.

Understanding How Your Moffat Fridge Works in Commercial Refrigeration

Moffat fridges are designed to meet the heavy demands of commercial kitchens, ensuring food stays fresh and safe for extended periods. Knowing how your fridge operates helps you troubleshoot problems and maintain efficiency. Here’s a breakdown of the key components and functions:

• Compressor: Acts as the heart of the refrigeration system, compressing refrigerant gas and circulating it through the system.

• Condenser Coils: Located at the back or bottom, these condenser coils release heat from the refrigerant, allowing it to cool down.

• Evaporator Coils: Positioned inside the fridge, evaporator coils absorb heat from the internal air, keeping temperatures low.

• Refrigerant: The chemical fluid that absorbs and releases heat during the cooling cycle.

• Thermostat: Monitors and controls the internal temperature, activating the compressor when cooling is needed.

• Fans: Circulate cold air evenly throughout the fridge to prevent hot spots.

• Insulation: Maintains consistent internal temperatures by reducing heat transfer from outside.

In commercial kitchens, these components work together to maintain consistent cooling under heavy use. Understanding them helps you spot issues early and keep your Moffat fridge efficient.

Troubleshooting Common Causes of a Moffat Fridge Not Cooling

When your Moffat fridge stops cooling, the problem could range from minor maintenance issues to major component failures. Here’s a structured troubleshooting guide to help you diagnose and resolve the issue.

Dirty Condenser Coils

Problem: Dust and debris buildup reduce heat release, making the compressor less effective.
Symptoms: Poor cooling, compressor running longer than usual.

Solution Steps:

• Locate the Coils: Check the back or underside of your fridge.

• Unplug the Fridge: Always cut power before cleaning.

• Clean Thoroughly: Use a vacuum or coil brush to remove dust and debris.

• Repeat Regularly: Clean every 6 months to maintain efficiency.

Faulty Thermostat or Temperature Control

Problem: A malfunctioning thermostat fails to start or stop the compressor correctly.
Symptoms: Fridge doesn’t reach the set temperature or turns off too soon.

Solution Steps:

• Adjust Settings: Lower the temperature to see if cooling starts.

• Listen for the Compressor: If it doesn’t start, the thermostat may be faulty.
  
  

• Test with a Multimeter: Check for continuity in the thermostat.

• Replace if Necessary: Install a new thermostat if it’s defective.

Malfunctioning Compressor

Problem: The compressor can’t circulate refrigerant, preventing cooling.
Symptoms: Warm fridge, compressor is silent or running continuously without cooling.

Solution Steps:

• Check Power Supply: Ensure the fridge is plugged in and power is stable.

• Listen for Compressor Sounds: Clicking or no sound may indicate failure.

• Call a Technician: Compressor replacement requires professional tools and expertise, often provided by a commercial refrigeration repair specialist.

Blocked or Frozen Evaporator Coils

Problem: Ice buildup restricts airflow, reducing cooling efficiency.
Symptoms: Constant running, frost in the freezer, and clicking noises.

Solution Steps:

• Inspect Coils: Look for frost or ice buildup inside the freezer.

• Defrost Manually: Turn off the fridge and let it defrost completely.

• Check Defrost System: Inspect timer, heater, and thermostat for faults.

• Replace Faulty Parts: If any component is defective, replace it.

Door Seal (Gasket) Problems

Problem: Damaged or dirty seals let warm air in, causing temperature issues.
Symptoms: Condensation around the door, frequent compressor cycles.

Solution Steps:

• Inspect the Gasket: Look for cracks, tears, or dirt buildup.

• Clean the Seals: Use warm, soapy water to remove grime.

• Test the Seal: Close the door on a sheet of paper; if it slips out easily, the seal is weak.

• Replace if Damaged: Install a new gasket for a proper seal.

Faulty Fans

Problem: Evaporator or condenser fans fail to circulate air effectively.
Symptoms: Uneven cooling, warm spots in fridge or freezer.

Solution Steps:

• Listen for Fan Noise: Silence may indicate failure.

• Check for Obstructions: Remove any food or debris blocking airflow.

• Inspect Fan Blades: Make sure they spin freely.

• Replace the Fan Motor: If it’s not working, install a new motor.

Low Refrigerant Levels

Problem: Leaks in refrigerant lines reduce cooling capacity.
Symptoms: Fridge runs constantly but stays warm.

Solution Steps:

• Check for Signs of Leakage: Look for oily residue around coils or tubing.

• Call a Professional: Refrigerant handling requires certification.

• Repair Leak and Recharge: A technician will fix the leak and refill refrigerant.

Maintenance Tips to Keep Your Moffat Fridge Cooling Efficiently

Proper maintenance is the key to keeping your Moffat fridge running smoothly and avoiding costly repairs. By following these practical tips, you can extend the lifespan of your unit and maintain consistent cooling performance.

• Clean Condenser Coils Regularly: Dust and grease can accumulate on condenser coils, forcing the compressor to work harder. Clean them every 6 months with a coil brush or vacuum.

• Check and Replace Door Seals: Inspect gaskets for cracks, tears, or looseness. Clean them regularly and replace if they no longer provide a tight seal.

• Maintain Proper Temperature Settings: Set your fridge to 37–40°F (3–4°C) and your freezer to 0°F (-18°C) for optimal performance. Avoid frequent temperature changes.

• Avoid Overloading the Fridge: Excessive food storage can block airflow, making it harder for cold air to circulate. Keep shelves organized for even cooling.

• Defrost When Needed: If you notice frost buildup, defrost your fridge to maintain efficiency and prevent airflow blockages.

• Schedule Professional Servicing: Have your fridge inspected by a technician annually to catch issues before they become major problems.

Regular upkeep not only improves cooling efficiency but also helps your Moffat fridge last longer and run more economically.

A Moffat fridge not cooling can be frustrating, but with the right knowledge, most issues can be identified and resolved quickly. From checking the thermostat to replacing worn-out parts, timely action can prevent bigger problems. Regular maintenance is key to keeping your appliance running efficiently. 

Is your Moffat fridge not cooling, and you’re unsure which part to replace? PartsFeCA offers high-quality parts like the refrigerator thermostat control, the evaporator fan motor, and the door gasket seal to help you restore performance.

FAQs

Why is my Moffat fridge not cooling?

The most common reasons include dirty condenser coils, a faulty thermostat, blocked air vents, or a malfunctioning compressor or fan motor. A power issue or an overloaded fridge can also reduce cooling efficiency.

Can a dirty condenser coil cause the fridge to stop cooling?

Yes. Dust and debris on the condenser coils can restrict heat dissipation, making it harder for the fridge to cool. Cleaning the coils can often restore normal function.

How do I reset my Moffat refrigerator?

Unplug the fridge for 5–10 minutes, then plug it back in. Some models may have a reset button and check the manual. A reset can sometimes resolve minor electronic or sensor glitches.