Common Commercial Fridge Problems and How to Fix Them

Commercial fridges are essential for any business that stores perishable items. Keeping them running smoothly is crucial for ensuring your products stay fresh and safe. However, fridges can encounter problems that disrupt their performance. Understanding these common issues and knowing how to fix them can save you time and money.

So, we'll dive into these common commercial fridge problems and explore effective ways to fix them. By understanding these issues and solutions, you can keep your fridge in top condition, ensuring your business continues to run smoothly.

A Guide to Fixing Frequent Commercial Fridge Issues

1. Temperature Fluctuations

Temperature fluctuations in commercial fridges happen for various reasons. A common cause is a malfunctioning thermostat, which can fail to maintain the set temperature. Blocked or dirty coils can also lead to inconsistent cooling, as they prevent the fridge from releasing heat properly. Another possible issue is the door seal. If the seal is damaged or worn, cold air escapes, causing the fridge to work harder and temperatures to fluctuate.

Simple Checks and Fixes

Start by checking the thermostat settings. Ensure it's set to the recommended temperature. If the settings are correct but the problem persists, it might need replacing. Inspect the coils at the back of the fridge. If they're dirty, unplug the unit and clean the coils with a brush or vacuum. Make sure the door seal is intact and provides a tight fit. If the seal looks damaged, replacing it might solve temperature issues.

When to Call a Professional

If your fridge continues to have temperature fluctuations despite your efforts, it’s time to call a professional. Persistent problems might indicate serious issues like a failing compressor or refrigerant leaks. Getting expert help ensures a thorough diagnosis and proper repair, preventing further damage to your unit.

2. Unusual Noises

Commercial fridges can make various noises, each indicating different issues. A loud humming noise often points to a problem with the compressor, which might be overworking. Clicking sounds can mean that the thermostat is turning the compressor on and off frequently. Buzzing noises are generally related to the evaporator fan motor or the condenser coil. Each noise provides clues to potential problems that need addressing.

DIY Noise Solutions

For humming noises, ensure the fridge is standing level on the floor. If the unit is tilted, it can cause the compressor to work harder and make noise. Clicking noises might be fixed by checking the thermostat settings and ensuring they’re correct. If you hear buzzing, inspect the fan motor for obstructions and clean the condenser coils. Sometimes, simply rearranging items inside the fridge to avoid blocking the fan can reduce noise.

Professional Repair Options

When DIY solutions fail to stop the noises, contact a professional. Strange sounds often signal underlying problems that require expert diagnosis. Continuous buzzing might indicate a failing fan motor that needs replacement. 

Persistent clicking can mean a more severe issue with the compressor or thermostat, requiring specialised tools and knowledge to fix. Professional repairs ensure your fridge operates quietly and effectively.

3. Frost Buildup

Excessive frost buildup in a commercial fridge can be caused by several factors. One common reason is a faulty door seal, which allows warm air to enter and mix with the cold air inside, causing frost to form. 

Another reason could be frequent door openings, which also introduce warm, moist air into the fridge. Additionally, a malfunctioning defrost timer or heater can prevent frost from melting during the normal defrost cycle.

Defrosting Techniques

Defrosting your commercial fridge is essential to maintain its efficiency. Start by unplugging the fridge and transferring all perishable items to another cooling option. Use a towel to catch any water from the melting frost. 

You can speed up the process by placing bowls of hot water inside the fridge or using a hairdryer on a low setting, but always keep it at a safe distance from water. Once the ice has melted, clean the interior with warm, soapy water and dry it thoroughly before plugging the fridge back in.

Preventive Measures

Preventing frost buildup can save you time and hassle in the long run. Check the door seals regularly to ensure they are tight and without damage. Avoid opening the fridge door frequently, and make sure it always closes properly. 

Setting up a schedule to check and maintain the defrost system is also helpful. Regularly removing any build-up and ensuring the defrost timer and heater are working will keep frost at bay.

4. Water Leaks

Water leaks in a commercial fridge can stem from several sources. First, check the drain pan located at the bottom of the fridge. If it's full or cracked, water will overflow. A clogged or frozen defrost drain can also cause water to pool inside and eventually leak out. Lastly, inspect the water supply line if your fridge has an ice maker or water dispenser, as leaks might originate from there.

For minor leaks, you can do some quick fixes to stop the water damage. Empty and clean the drain pan if it's full or cracked. To unclog a defrost drain, use warm water and a small brush or pipe cleaner to clear any blockages. If the issue is with the water supply line, see if tightening the connections can stop the leak. You can use plumber’s tape to seal any small gaps around the joints.

Long-term Solutions

For more persistent water leaks, consider long-term solutions. Regularly check and clean the drain pan and defrost drain to prevent blockages. If these components show signs of wear, replacing them might be necessary. For water supply line issues, consider having it professionally inspected and repaired. This ensures the connections are secure and no leaks will disrupt your operations.

Most Common Commercial Refrigerator Problems and Their Fixes

Commercial fridges are critical for businesses, so keeping them in top shape is essential. From temperature fluctuations to unusual noises, understanding common problems and knowing how to tackle them helps maintain your fridge's efficiency. Addressing frost buildup and water leaks promptly ensures that your operations run smoothly with minimal disruptions.

Regular maintenance and timely fixes also extend the life of your equipment, saving you money and hassle. When in doubt, seeking professional help can provide peace of mind and a thorough solution. Ensuring your commercial fridge stays in optimal condition is a wise investment for any business.

For expert advice and reliable repair services, contact Refrigeration Experts. Our team is ready to help keep your commercial refrigeration systems running efficiently. Visit Refrigeration Experts today for all your refrigeration equipment needs in Australia!