Refrigerator/Fridge

Refrigerator/Fridge

1. The most frequently encountered fridge / refrigerator problems and how they can manifest:
   1. Not cooling properly
     Dirty condenser coils: When dust and debris build up on coils (typically at the back or bottom), the fridge can not dissipate heat effectively as often recommended, clean them every 2 to 6 months.

    b. Blocked air vents: Overloaded shelves or food positioned poorly can obstruct airflow, causing uneven temperatures

    c. Faulty evaporator/condenser fans: If either fan fails, airflow and heat exchange are compromised

2. Door & Seal Issues
    a. Worn or dirty door gasket:  A poor seal lets in warm air, undermining cooling efficiency

    b.  Door not fully closed: Even a slightly open door can raise internal temperatures (and in rare cases, the compressor may temporarily shut off)

3. Thermostat & Controls
    a.  Incorrect thermostat settings: If too warm, fridge will not cool sufficiently; too cold, food may freeze

    b.  Faulty thermostat or control board: Malfunctioning sensors or electronics can mismanage cooling cycles

4. Compressor & Relay Problems
    a. Bad start relay or capacitor: If the relay can not start the compressor, the cooling process halts.

    b.  Compressor failure: A non-functioning compressor means no cooling - often indicated by odd noises or no humming.

5. Defrost System Breakdown
Frost buildup on evaporator coils: A failed defrost system (timer, heater, thermostat) causes ice to form and block airflow.

6. Refrigerant Leaks or Blockages
    a.  Leaks or low refrigerant:  Cooling capacity drops significantly; may also produce ice patterns or hissing sounds.

    b.  Internal refrigerant clog:  Often from mishandling (e.g., tipping the fridge), leading to partial cooling failures

7. Power or Installation Problems
Power supply issues: Loose plug, tripped outlet or damaged cord can disrupt all functions

Poor placement or ventilation:  Needs at least ½″ sides + 1″ back clearance; ambient heat (that is garage or next to stove) can hinder performance

Unlevel surface: Can affect door alignment and coolant flow.

Quick-Check DIY Fixes
Issue        What to Do
Dirty coils      Unplug and vacuum every 2–6 months
Blocked vents    Reorganise and avoid overpacking
Faulty seals    Clean with warm soapy water; consider replacement
Thermostat settings    Use a fridge thermometer to maintain 1.7 to – 3.3 °C.  This range keeps food cold enough to inhibit bacterial growth without freezing, which can damage food.  The freezer should be at or below 0°F (-18°C). 
Defrost/manual thaw    Unplug and let freezer defrost 24 hrs; monitor if cooling returns

When to Call a Technician?
Non-cooling persists after DIY steps.
Evidence of compressor, relay, defrost system, or refrigerant issues.
Damaged circuit board or fan motors needing replacement.

By starting with simple checks - cleaning, sealing, thermostat settings - you can often solve fridge issues yourself.  If deeper mechanical or refrigerant problems arise, professional service is the safer path.