Statewide Appliance Spares Blog

Warning signs your fridge is failing (and what to do)

Warning signs your fridge is failing (and what to do)

Out of all your kitchen appliances, your fridge is the one appliance you absolutely can't live without! It runs 24/7, keeping your food fresh and your family fed. A bit of condensation or the odd funny noise? Probably nothing to worry about. But some warning signs mean your fridge is on its way out—and ignoring them could cost you hundreds in spoiled food or a complete breakdown. Here are the critical red flags that your fridge is failing, and what you should do about it.

1. Food is spoiling faster than normal

Warning sign: You may start to notice your milk goes off well before the use by date, fruit and veg aren’t staying crisp or fresh and leftovers aren’t lasting as long as they should.

Why it matters: Your fridge isn't maintaining the right temperature, which means it's not doing its job. This wastes money on spoiled food and can pose health risks.

What to do: First look at the temperature setting—the Australian Standard for fridges uses a fresh food compartment average temperature of 3°C. Your freezer should be set close to -18°C. If it's too warm, the thermostat might be faulty, the door seal could be damaged, or the compressor could be failing.

Parts you might need: fridge thermostat, fridge compressor, fridge seal

DIY or call a pro? Adjusting temperature settings and swapping out a fridge door seal are easy. Thermostat or compressor issues may need a professional.

Check out our guide: How to easily replace your fridge door seal.

2. Fridge running constantly or never turning off

Warning sign: You notice the motor running all the time, or the fridge never seems to cycle off.

Why it matters: This means your fridge is working overtime to maintain temperature. This can put a strain on your compressor and hike up your energy bill.

What to do: Inspect the door seals first—worn seals let cold air escape, forcing the fridge to run constantly. Clean the condenser coils (usually at the back or underneath) as dust buildup makes the fridge work harder. If neither fixes it, the thermostat or compressor may be the problem.

Parts you might need: fridge thermostat, fridge seal

DIY or call a pro? Door seals and cleaning coils can be easily tackled. Compressor issues may need a professional.

3. Excessive frost or ice buildup

Warning sign: Ice is building up inside the freezer (beyond normal frost), or you're seeing frost on the back wall of the fridge compartment.

Why it matters: This usually means the defrost system isn't working properly, or the door seal is letting warm air in. It makes your fridge work harder and eats up valuable freezer space.

What to do: Start by checking the door seal for gaps or damage. If the seal is fine, the defrost heater, defrost timer, or defrost thermostat might be faulty.

Parts you might need: fridge door seals, fridge defrost heaters, fridge defrost timers

DIY or call a pro? Door seals can be easily replaced. Defrost system components are trickier—best left to a professional unless you're experienced.

4. Unusual or loud noises

Warning sign: Your usually quiet fridge is now making unusual sounds – loud humming, buzzing, clicking, or rattling.

Why it matters: Different noises point to different problems. Loud humming often means the compressor is struggling. Clicking can indicate a failing start relay. Rattling might just be loose components, but it could also signal a failing fan.

What to do: Identify where the noise is coming from. Check if anything is vibrating against the fridge or if items inside are rattling. If the noise is coming from the back, it could be the condenser fan or compressor. Clean the condenser coils and check the fan for obstructions.

Parts you might need: fridge condenser fans, fridge evaporator, fridge compressor

DIY or call a pro? Cleaning and checking for obstructions is DIY. Fan or compressor replacement needs a technician.

5. Condensation or moisture forming between door seal

Warning sign: You notice condensation on the outside of your fridge, or moisture forming between the door seal.

Why it matters: This usually means the door seal isn't sealing properly, allowing warm air in. It can also indicate humidity control problems or a failing door heater (in frost-free models).

What to do: Inspect the door seal carefully—look for cracks, tears, or areas where it's not sitting flush. Clean the seal with warm soapy water. If it's damaged, replace it.

Parts you might need: fridge seal

DIY or call a pro? Door seal replacement is straightforward DIY.

6. Motor feels excessively hot

Warning sign: The back of your fridge (where the compressor is located) feels much hotter than usual.

Why it matters: Some warmth is normal, but excessive heat means the compressor is working too hard or overheating.

What to do: Make sure there's proper ventilation around the fridge. Clean the condenser coils thoroughly. If it's still overheating, the compressor may be on its way out.

Parts you might need: fridge compressor

DIY or call a pro? Cleaning coils is DIY. Compressor replacement requires a licensed technician as it involves refrigerant handling.

7. Fridge light has stopped working

Warning sign: The light inside your fridge doesn't turn on when you open the door.

Why it matters: While not critical, a broken fridge light makes it hard to see what you're grabbing—especially during those midnight snack raids.

What to do: First, try replacing the light globe—it's usually just screwed in or clipped in place. If the new globe doesn't work, check if the door switch is faulty (the little button the door presses when closed). If neither fixes it, there could be a wiring issue.

Parts you might need: fridge globes, fridge switch

DIY or call a pro? Replacing the globe is super easy. Door switches are usually straightforward too. If it's a wiring problem, call a technician.

Check out our guide: How to easily replace a refrigerator light globe

DIY repairs you can tackle

  • Door seal replacement
  • Cleaning condenser coils
  • Clearing defrost drains
  • Replacing water filters
  • Light globe replacement
  • Temperature adjustments

When to call in the experts

  • Compressor issues
  • Refrigerant leaks
  • Defrost system repairs (heaters, timers)
  • Electrical faults
  • Thermostat replacement
  • Fan motor replacement

Should you repair or replace?

Time to replace when:

  • Your fridge is 15+ years old AND repairs cost more than 50% of a new model
  • Multiple major components are failing
  • Your energy bills have crept up significantly
  • You've had several repairs in the past year

Repair makes sense when:

  • It's less than 10 years old
  • Only one component needs replacing
  • The repair costs under $400-500
  • Simple fixes like seals, fans, or thermostats

Safety first!

  • Unplug the fridge or turn off power at the circuit breaker
  • Give yourself plenty of working space
  • Have towels ready for any water leaks
  • Take photos before disconnecting anything
  • Don't attempt refrigerant-related repairs—they require licensing

Check out our YouTube channel

Need help with your fridge repairs and maintenance? Check out our DIY videos on our YouTube Channel. All the expert hints and tips to make appliance repairs a breeze!

All the latest on the Statewide blog

Visit our blog for all the latest on fridge repairs and maintenance. We share guides to help you easily remove and replace your fridge door, how to deep clean your refrigerator and everything you need to know about fridge water filters.

Need fridge parts fast?

Find genuine fridge and freezer replacement parts from all the big brands — Electrolux, Fisher & Paykel, Hisense, LG, Samsung, Westinghouse, and more. With Australia's biggest range and fast delivery, we'll help you get your fridge running again in no time.

Not sure what part you need? Our expert team is here to help! Call us on Free call 1800 005 220 or chat to us online.