The short answer
A freestanding Blomberg refrigerator stands on four adjustable feet with nothing damping it, so it transmits every vibration into the floor and into whatever it touches. Before suspecting a fan or a compressor, check that the cabinet is level, clear of the wall and clear of the units either side.
What you are seeing
- A buzz that changes or stops when you lean a hand on the side of the cabinet
- Gurgling or trickling shortly after the compressor stops
- A buzzing or rattling that comes and goes
- A rhythmic ticking from the back of the cabinet
- A whirring that changes when the fridge door is opened
- A grinding or scraping from inside the cabinet
- Body: The character of the noise identifies the source: A buzz that changes or stops when you lean a hand on the side of the cabinet. Gurgling or trickling shortly after the compressor stops. A buzzing or rattling that comes and goes. A rhythmic ticking from the back of the cabinet. A whirring that changes when the fridge door is opened. A grinding or scraping from inside the cabinet.
Causes, most likely first
- The cabinet touching a neighbouring unit or the wall — Why: a freestanding cabinet has no fixing to damp it, so contact anywhere turns normal compressor vibration into a buzz that fills the kitchen.
- A cabinet rocking on one foot — Why: the feet are adjusted at delivery and rarely rechecked, and a cabinet that rocks rattles against the floor every time the compressor cycles.
- Normal refrigerant sounds — Why: gurgling and trickling as refrigerant equalises are the most reported non-fault on modern cabinets, and they are simply louder in a quiet kitchen.
- The cabinet touching a wall or a neighbouring unit — Why: ordinary compressor vibration becomes a buzz once it is transmitted into cabinetry, and easing the cabinet a finger’s width clear cures it.
- The evaporator fan brushing frost — Why: a whirring or scraping that changes when the door is opened, and it is the most common genuine mechanical fault on a frost-free cabinet.
- The cabinet not level or rocking on one foot — Why: a rocking cabinet rattles against the floor and the noise gets blamed on the compressor.
- Body: Ranked for a fan-circulated cabinet in a domestic kitchen: First, The cabinet touching a neighbouring unit or the wall: a freestanding cabinet has no fixing to damp it, so contact anywhere turns normal compressor vibration into a buzz that fills the kitchen. Second, A cabinet rocking on one foot: the feet are adjusted at delivery and rarely rechecked, and a cabinet that rocks rattles against the floor every time the compressor cycles. Third, Normal refrigerant sounds: gurgling and trickling as refrigerant equalises are the most reported non-fault on modern cabinets, and they are simply louder in a quiet kitchen. Fourth, The cabinet touching a wall or a neighbouring unit: ordinary compressor vibration becomes a buzz once it is transmitted into cabinetry, and easing the cabinet a finger’s width clear cures it. Fifth, The evaporator fan brushing frost: a whirring or scraping that changes when the door is opened, and it is the most common genuine mechanical fault on a frost-free cabinet. Sixth, The cabinet not level or rocking on one foot: a rocking cabinet rattles against the floor and the noise gets blamed on the compressor.
What to check, in order
- press a hand firmly on each side of the cabinet in turn while the noise is happening: if it stops, the cabinet is touching something or rocking.
- open the fridge door while the noise is happening: a sound that changes or stops points at the internal fan.
- check the cabinet is not touching a wall, a worktop or another appliance.
- rock each corner and adjust the feet until the cabinet sits firm.
- Body: Eliminate the free explanations in order: First, press a hand firmly on each side of the cabinet in turn while the noise is happening: if it stops, the cabinet is touching something or rocking. Second, open the fridge door while the noise is happening: a sound that changes or stops points at the internal fan. Third, check the cabinet is not touching a wall, a worktop or another appliance. Fourth, rock each corner and adjust the feet until the cabinet sits firm.
Checks you can do yourself
- Ease the cabinet a finger’s width clear of the wall and of both neighbouring units, then rock each corner — Tools: adjustable spanner — Time estimate: a few minutes
- Listen with the fridge door open and again with it closed and note whether the noise changes — Tools: none — Time estimate: a few minutes
- Ease the cabinet away from the wall and from any neighbouring unit — Tools: none — Time estimate: a few minutes
- Rock each corner and adjust the feet until all four are firmly down — Tools: adjustable spanner — Time estimate: a few minutes
- Remove bottles and packages from the top of the cabinet and rearrange the contents of the shelves — Tools: none — Time estimate: a few minutes
- Body: A few minutes settles most complaints: Ease the cabinet a finger’s width clear of the wall and of both neighbouring units, then rock each corner (adjustable spanner; a few minutes). Listen with the fridge door open and again with it closed and note whether the noise changes (none; a few minutes). Ease the cabinet away from the wall and from any neighbouring unit (none; a few minutes). Rock each corner and adjust the feet until all four are firmly down (adjustable spanner; a few minutes). Remove bottles and packages from the top of the cabinet and rearrange the contents of the shelves (none; a few minutes).
Safety first
Safety
A refrigerator holds food safely at 40 °F (4 °C) or below. Unplug the appliance or switch off its breaker before removing any panel. A capacitor can hold a charge after the power is off. Never remove the internal rear panel to reach a fan: the evaporator behind it carries a flammable refrigerant and is easily punctured. Do not chip at ice around a fan. unplug-before-service fridge-40f
When to stop and call a technician
These need a technician: The noise continues with the cabinet level, clear of the wall and clear of the units either side. A scraping or grinding that continues with the cabinet level and clear of the wall. A noise that arrives together with a temperature or frost complaint. A compressor hum that has grown steadily louder over weeks. The noise continues with the cabinet level, clear of the wall and clear of the units either side A scraping or grinding that continues with the cabinet level and clear of the wall A noise that arrives together with a temperature or frost complaint A compressor hum that has grown steadily louder over weeks
Nearest pages of the same kind
What this page does not cover
This page is generalized across every refrigerator sold under the Blomberg name: it separates neither the counter-depth freestanding cabinets from the deeper ones and the bottom-freezer layouts from the single-door ones, and it names no individual model. Where a family- or model-specific page exists it is linked here and it outranks this one for that machine; at present no page beneath this one narrows to a single family, so treat the ranking above as the brand-level pattern rather than a reading of your serial plate. The same cabinets are also listed under the alternate capitalisation and under the common misspelling Bloomberg; those pages cover the built-in installation and the deeper diagnostic tier, and they are linked here. For the other faults that turn up on this machine, start from Common BLOMBERG Refrigerator Problems.
Links down: - [Blomberg refrigerator problems — after the basic checks](/blog/blomberg-refrigerator-problems-2) - [The same cabinets, integrated installation](/blog/bloomberg-refrigerator-problems)
Related pages
- Common BLOMBERG Refrigerator Problems
- BLOMBERG Refrigerator: Controls, Display or Error Code
- BLOMBERG Refrigerator: Not Cooling or Not Freezing
- BLOMBERG Refrigerator: Door, Latch or Seal Fault
- BLOMBERG Refrigerator: Ice Maker Fault
- BLOMBERG Refrigerator: Water Leak
- BLOMBERG Refrigerator: Will Not Start or No Power
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.
