The short answer
Short version: if the cabinet is still cold, this is unlikely to be expensive. Start with evaporator fan chopping at frost, and treat a sound that has changed character as more significant than a sound that is simply loud.
What you observe
- A rattle from the back or the floor that changes if you press on the cabinet — Vibration being transmitted into something touching the cabinet rather than a fault inside it.
- A rhythmic ticking or chopping that comes and goes — Something is contacting a moving blade intermittently, usually ice on a fan or a stray packet against it.
- A loud whirring or buzzing from the freezer that stops when the door is opened — That is the evaporator fan, which the door switch cuts. Press the switch in and the noise will come back — that alone identifies it.
- NEAR MISS — it is noisy and the cabinet is also warming up — Noise plus a loss of cooling is a cooling fault first. Read the cooling page: temperature outranks sound as a symptom.
The ranking, and why it is this way round
- Evaporator fan chopping at frost — Fan noise changes with the door switch, which makes it the easiest cause on this list to confirm. Open the freezer and the evaporator fan stops; hold the switch in and it starts again, noise and all. Top of the list, because everything below it is harder to check and less likely to be the answer. With a badge like this the practical question behind every check is whether the fix needs a part at all, so the no-part causes are ranked first.
- Defrost water hitting the drain pan, and normal sizzling — After every defrost, melted frost runs down a tube into a pan above the compressor, where it evaporates. The trickle, the drip and the occasional sizzle as water hits warm metal are the system working exactly as designed. It takes second place because the check is quick and because leaving it unchecked makes everything below it harder to read.
- Vibration transmitted into the floor or the units beside it — A refrigerator vibrates continuously while it runs. Standing level and clear, that vibration is inaudible; touching a wall, a cabinet side or an uneven floor, the same vibration is amplified by whatever it is touching. It ranks third: real, but rare enough that chasing it first wastes an afternoon.
- Compressor hum, or a start device clicking — The useful test with compressor noise is not loudness but change: the same hum that has been there for years is not a fault, and a hum that altered last month might be. Bottom of the order, because reaching it means the three likelier answers were already wrong.
The order that finds it fastest
- Open the freezer, press the door switch in, and listen for the fan — A chopping or whirring that follows the switch is the evaporator fan, and it points at ice or an obstruction rather than the motor. Do this first: it settles the likeliest cause before any tool comes out.
- Note whether the sound happens after the unit stops rather than while it runs — Sounds that follow a stop are defrost water; sounds that track the run are mechanical. Second in order, and only worth doing once the first has come back clean.
- Rock the cabinet gently front to back and check each foot touches — One foot short of the floor turns the whole cabinet into a sounding box. Third, and the last thing worth doing before the phone comes out.
What to do, step by step
- Vacuum the base grille area and the visible fan blade — Do it with the power off, and do not push anything rigid through the grille.
Tools: vacuum, torchAbout 20 min
- Keep a note of when the sound happens relative to the cycle — Two or three observations settle whether this is defrost water or something that needs a visit.
About 10 min
- Adjust the levelling feet until the cabinet sits firm and tilts very slightly back — A slight backward tilt also helps the doors close on their own.
Tools: adjustable spanner, spirit levelAbout 25 min
- STOP here and write down what each check showed — A technician arriving with the cheap causes already eliminated spends the visit fixing rather than repeating your work.
Before you open anything
Safety
Unplug the appliance or switch off its breaker before removing any panel. If you smell burning, stop there and call — do not keep running it to see whether the smell returns. Work with dry hands on a dry floor, and never chip at frost with a tool that can puncture tubing.
When to hand it over
It becomes a service call at the point where a panel must come off or a motor must be tested. Everything above that line is levelling, cleaning and listening, and it accounts for most noise complaints on a cabinet of this kind.
Pages next to this one
Scope, and what is missing from it
Scope of this page: Landmark refrigerators generally, not one family. Model-specific information — wiring colours, part numbers, resistance and torque figures — belongs on the page for that family, and where such a page exists it outranks this one.
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.
