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FRIDGE & FREEZER FAULTS

Fridge Not Cold

A fridge that is not cooling properly may have blocked airflow, dirty condenser coils, a failed fan, incorrect thermostat settings, a compressor-start fault or a sealed-system problem.

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Unplug before removing panels and protect chilled or frozen food

Fridges and freezers contain mains electricity, moving fans, hot compressor parts and sealed refrigeration systems. Stop use if the appliance trips, smells burnt, leaks near electrical parts or the compressor repeatedly clicks.

MOST LIKELY CAUSES

Start with these

Blocked internal airflow Overpacked shelves or blocked vents prevent cold air circulation.
Dirty condenser area Dust buildup reduces heat rejection and cooling performance.
Fan fault The evaporator or condenser fan may not move air correctly.
Compressor or sealed-system fault The refrigeration circuit may not be operating properly.
◫ Symptom variations Match the exact cooling, icing or leak pattern. ⌄
  • Fridge is warm but freezer is cold
  • Both sections are warm
  • Compressor runs constantly
  • Interior fan is silent
  • Temperature rises after loading
✓ Quick checks Simple checks before removing panels. ⌄
  1. Record the actual temperature if possible.
  2. Check the control setting and operating mode.
  3. Inspect door seals, vents and visible frost.
  4. Listen for the fan and compressor.
  5. Unplug before cleaning coils or touching internal parts.
If the issue is airflow or sealing: temperatures should begin stabilising after correction.
If the appliance trips, clicks repeatedly or stays warm: arrange appliance-engineer testing.
1 Step 1 — Check the temperature setting Switch off and unplug before removing covers or touching internal parts. ⌄

Process

Confirm the control has not been turned too warm or placed in holiday mode.

Success looks like: Cooling gradually returns.
Escalate when: No response suggests a sensor, control or refrigeration fault.
2 Step 2 — Clear vents and reduce overloading Switch off and unplug before removing covers or touching internal parts. ⌄

Process

Move food away from internal vents and allow space around shelves.

Success looks like: Cold air circulates evenly.
Escalate when: Persistent warm areas suggest a fan or damper problem.
3 Step 3 — Clean accessible condenser areas Switch off and unplug before removing covers or touching internal parts. ⌄

Process

Switch off and unplug, then remove dust from accessible coils and ventilation grilles.

Success looks like: The appliance cools more efficiently.
Escalate when: A hot compressor with no cooling needs professional diagnosis.
⌁ Common causes explained Why fridge and freezer faults develop. ⌄

A fridge that is not cooling properly may have blocked airflow, dirty condenser coils, a failed fan, incorrect thermostat settings, a compressor-start fault or a sealed-system problem.

Temperature patterns provide the strongest clues. Localised freezing suggests airflow or sensor issues, widespread warming points to fan or refrigeration faults, and recurring ice often indicates a seal or defrost problem.

⌘ Advanced diagnostics Appliance-engineer checks and repair work. ⌄
  • Check evaporator and condenser fan operation.
  • Test thermostat or temperature sensor.
  • Inspect compressor start relay and overload.
  • Measure compressor current draw.
  • Assess sealed-system pressures and refrigerant circuit.
▣ Parts that may need replacing Common components linked to this fault. ⌄
  • Temperature sensor
  • Thermostat
  • Evaporator fan
  • Condenser fan
  • Compressor start relay
! When to call an appliance engineer Conditions that should end basic troubleshooting. ⌄
  • The appliance trips the electrics.
  • The compressor repeatedly clicks or becomes excessively hot.
  • Internal electrical testing is required.
  • The sealed refrigeration system may be faulty.
  • Water is reaching electrical parts.
  • Food temperatures remain unsafe after basic checks.
? Frequently asked questions Common fridge and freezer questions. ⌄

How long should temperature changes take?

Allow several hours after a small adjustment and up to 24 hours for full stabilisation.

Can I remove ice with a knife?

No. Sharp tools can puncture the evaporator and permanently damage the refrigeration system.

Should I keep resetting the electrics?

No. Unplug the appliance, protect the food and arrange fault testing.