What Causes Commercial Fridge Breakdowns?
7 Common Issues and How to Prevent Them
A failing commercial fridge can mean thousands in lost stock and business disruption — especially during peak trading hours. Understanding what causes commercial fridge breakdowns can help you prevent them before they become a major issue.
Here are the 7 most common reasons your fridge might fail — and how to avoid them.
1. Dirty Condenser Coils
Dust and grease build-up on condenser coils restrict heat exchange, making your fridge work harder and hotter. This is a leading cause of compressor burnout.
✅ Prevention Tip: Schedule regular coil cleaning — especially in kitchens or dusty environments.
2. Faulty Door Seals
Worn or split door seals let warm air in, forcing your system to run longer to maintain temperature. This not only increases energy use but also stresses your components.
✅ Prevention Tip: Inspect door gaskets monthly. Replace if cracked, loose, or mouldy.
3. Blocked or Icy Evaporator Coils
If the evaporator coils are blocked or icing up, your fridge can’t cool effectively. This often happens due to poor airflow, open doors, or defrost timer issues.
✅ Prevention Tip: Make sure fans are working, defrost cycles are running, and airflow isn’t blocked by overloaded shelving.
4. Refrigerant Leaks
Low refrigerant levels cause gradual temperature rise and eventual failure. Leaks often go unnoticed until critical components are damaged.
✅ Prevention Tip: Have your system pressure tested during regular maintenance to catch slow leaks early.
5. Thermostat or Sensor Failure
A faulty thermostat or sensor may cause overcooling, undercooling, or failure to cycle — often leading to food spoilage or compressor stress.
✅ Prevention Tip: Calibrate or replace thermostats as part of scheduled servicing.
6. Power Supply Issues
Fridges on unstable circuits or without surge protection can suffer control board failures or intermittent operation.
✅ Prevention Tip: Install voltage protection and check that your system is on a dedicated, stable power line.
7. Poor or Irregular Maintenance
Neglecting routine servicing is the most common long-term cause of breakdowns. Small issues turn into major failures, often at the worst possible time.
✅ Prevention Tip: Book a preventative maintenance agreement (PMA) with a trusted technician. It pays for itself in avoided breakdowns.
Commercial Fridge Breakdowns Are Avoidable
At ACRO Refrigeration, we specialise in emergency fridge repairs and preventative servicing across Brisbane and the Gold Coast. We know what fails, when it fails, and how to stop it before it costs you.
Book a Fridge Health Check Today
We offer:
✔ On-site inspections
✔ Full system performance reports
✔ Maintenance plans that protect your equipment year-round
✔ 24/7 breakdown response
📞 Call 1300 227 600
📩 Enquire Now
❓ FAQ: What Causes Commercial Fridge Breakdowns?
How long should a commercial fridge last?
With regular servicing, 10–15 years. Without it, major failures often occur within 5–7 years.
Why does my commercial fridge keep icing up?
Usually due to airflow issues, failed defrost cycles, or warm air entry from open doors or faulty seals.
Can a commercial fridge run with low refrigerant?
Yes, but it will run inefficiently, cause temperature issues, and eventually damage the compressor.