Appliance Repair Technician how-to
How to Diagnose a Refrigerator That Isn’t Cooling
Most cooling problems follow a pattern.
Quick answer
Most cooling problems follow a pattern. In short: check; listen; check, then complete the remaining steps below.
Step by step
Check settings.
Listen for the compressor.
Check the condenser fan.
Check for frost on coils.
Test the defrost system.
Test the thermistor.
Safety reminders for appliance repair technicians
- Unplug appliances
- Shut off gas
- Handle refrigerant safely
- Lift with dollies
Key terms
Compressor · Defrost heater · Thermistor · Control board · Drain pump · Heating element: see the full appliance repair technician glossary.