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Why Your Walk-In Cooler Is Losing Temperature (And What to Do About It)

Thu, 23 Jul 2026 23:42:29 GMT

If you run a restaurant, cafeteria, or any food service operation in the Raleigh area, a walk-in cooler that won't hold temperature is more than an inconvenience it's a health code violation waiting to happen and thousands of dollars of inventory at risk. Here are the most common reasons it happens and what to do fast.

1. Dirty Condenser Coils

This is the number one cause of cooling problems in commercial walk-in units. When condenser coils get coated in grease and dust, the unit has to work twice as hard to cool — and eventually it can't keep up. Professional cleaning during a preventive maintenance visit can stop this before it becomes a breakdown.

2. Failing Door Gaskets

Walk-in cooler doors take a beating in a busy kitchen. If the rubber gasket around the door is cracked, torn, or no longer sealing tightly, warm air is constantly leaking in. You can test this yourself by closing the door on a dollar bill, if it slides out easily, your gasket needs replacing.

3. Low Refrigerant

If your unit is running constantly but never reaching the right temperature, low refrigerant is a likely culprit. This is not a DIY fix, refrigerant handling requires a certified technician. Ignoring it will eventually burn out your compressor, turning a small repair into a very expensive one.

4. Evaporator Fan Motor Failure

The evaporator fan circulates cold air throughout the cooler. When that motor fails, cold air stays concentrated near the ceiling while the rest of the unit warms up. If you notice uneven temperatures inside your walk-in, this could be why.

5. Thermostat or Temperature Control Issues

Sometimes the unit is working fine, the thermostat just isn't reading correctly. A faulty thermostat can cause your cooler to run warmer than the display shows, putting your food safety at risk without any obvious warning signs.

When To Call a Professional

If your walk-in cooler is not holding temperature and a basic check of the door seal and airflow doesn't solve it, call a certified commercial refrigeration technician immediately. Do not wait, every hour above safe temperature puts your food inventory and health inspection score at risk.

RC Commercial Equipment Repair Services Inc has been serving restaurants, hospitals, and commercial kitchens throughout Fuquay-Varina, Raleigh, Cary, Apex, Holly Springs, and Durham for over 20 years. We offer same-day service with no travel fee for the first 50 miles. Call us at (919) 577-7121 — for emergencies, reach us at (919) 796-9456 .

Ice Machine Not Making Ice? Here's What's Wrong

Thu, 23 Jul 2026 23:42:29 GMT

A commercial ice machine that stops producing is one of the most disruptive equipment failures a restaurant or bar can face. Whether your machine is making less ice than usual, producing hollow or cloudy cubes, or has stopped altogether, here's what's likely going on.

1. Dirty or Clogged Water Filter

This is the first thing to check. A clogged water filter restricts water flow to the ice maker, reducing ice production significantly. Most manufacturers recommend changing commercial ice machine filters every six months — if yours hasn't been changed recently, start there.

2. Scale and Mineral Buildup

Hard water leaves calcium and mineral deposits inside the ice machine over time. This buildup clogs water lines, coats the evaporator plate, and eventually prevents ice from forming properly. Regular descaling and professional cleaning keeps this under control and is required by most health departments.

3. Low Refrigerant

Just like a walk-in cooler, an ice machine relies on refrigerant to freeze water into ice. If refrigerant levels drop due to a leak, the unit loses its ability to produce ice. You may notice the machine running constantly but producing very little. This requires a certified technician to diagnose and repair.

4. Condenser Coils Need Cleaning

If your ice machine is air-cooled, dirty condenser coils cause the unit to overheat and shut down ice production as a protective measure. This is especially common in hot commercial kitchens where grease and dust accumulate quickly. A regular cleaning schedule prevents this entirely.

5. Faulty Water Inlet Valve

If water isn't getting into the machine, ice can't form. A faulty or stuck water inlet valve is a common culprit, especially in older units. This is a straightforward replacement that a technician can handle quickly.

6. Machine Is in Harvest Mode or Has an Error Code

Before calling for service, check if your machine has an error code displayed. Many modern commercial ice machines will flash a code or light to indicate a specific problem. Write that code down before you call it, it helps your technician arrive prepared with the right parts.

Preventive Maintenance Saves You Money

Many ice machine failures we see at RC Commercial Equipment Repair are preventable with routine maintenance, cleaning, descaling, filter changes, and coil checks. A simple service visit twice a year keeps your machine running efficiently and extends its lifespan by year.

We service all major ice machine brands throughout Raleigh, Fuquay-Varina, Cary, Apex, Holly Springs, Durham, and surrounding areas. Same-day service available. Call (919) 577-7121 or reach our emergency line at (919) 796-9456 .

Preventive Maintenance for Commercial Kitchen Equipment: Why It Pays for Itself

Thu, 23 Jul 2026 23:42:29 GMT

Ask any restaurant owner what their worst nightmare is and most will tell you the same thing, equipment breaking down during a dinner rush. A failed walk-in cooler, a dead flyer, or an ice machine that quits on a 90-degree Saturday can cost thousands of dollars in lost revenue, wasted food, and emergency repair fees.

The good news is that most commercial kitchen equipment failures are predictable — and preventable.

What Preventive Maintenance Actually Covers

A professional preventive maintenance visit for commercial kitchen equipment typically includes:

Cleaning condenser and evaporator coils on refrigeration units
Checking and topping refrigerant levels
Inspecting and replacing worn door gaskets and seals
Cleaning and descaling ice machines
Checking burner performance on ranges and fryers
Testing thermostats and temperature controls
Inspecting electrical connections and components
Lubricating moving parts on mixers, slicers, and other mechanical equipment
Checking gas line connections on hot-side equipment

The Real Cost of Skipping Maintenance

When equipment is not maintained regularly, small problems compound into large ones. A dirty condenser coil makes a compressor work harder. A compressor that works too hard burns out early. A compressor replacement can cost $1,500 to $3,000 or more — versus a $150 maintenance visit that would have caught the coil problem before it escalated.

Beyond repair costs, unmaintained equipment also uses more energy, fails health inspections, and shortens the overall lifespan of expensive units.

How Often Should Commercial Equipment Be Serviced?

As a general rule:

Refrigeration units (walk-ins, reach-ins, prep tables): every 6 months
Ice machines : every 6 months, including full cleaning and descaling
Fryers and ranges : annually, or more often in high-volume kitchens
Dishwashers and booster heaters : every 6 months
Mixers and slicers : annually

High-volume operations — busy restaurants, hospital cafeterias, catering companies — should consider quarterly visits for refrigeration.

Maintenance Contracts Make It Simple

Rather than trying to remember when each piece of equipment is due for service, many restaurant and kitchen operators in the Raleigh area sign up for a maintenance contract with RC Commercial Equipment Repair. We schedule visits automatically, keep records of every service, and flag potential problems before they become emergencies.

It's the most cost-effective way to protect your equipment investment and keep your kitchen running without surprises.

RC Commercial Equipment Repair Services Inc has served restaurants, hospitals, churches, cafeterias, and food service businesses throughout Fuquay-Varina, Raleigh, Cary, Apex, Holly Springs, and Durham for over 20 years. Contact us today at (919) 577-7121 to ask about our preventive maintenance contracts. Se Habla Español.