The short answer
The Blomberg BRFT refrigerators handle this fault differently from the brand as a whole, because of where this platform puts the components involved and how they are reached. Noise is one of the few faults a refrigerator announces early. The part that is about to fail usually tells you for weeks before it stops working, if you can place the sound. Nothing below needs a tool to identify. The identification is the whole job; the repair that follows depends entirely on which part you land on.
What you observe on these models
- A sound that stops if you press on the cabinet side — Panel resonance, which is a fixing rather than a failure.
- A creak from the cabinet when the compressor stops — Panels relaxing as vibration stops, which is a mounting complaint rather than a failing part.
- A thump that only happens after a door is closed hard — The cabinet rocking on an uneven foot and settling again, which is a levelling complaint.
- NEAR MISS — the noise came with the cabinet going warm — Then the noise is a symptom of a cooling fault, not a noise complaint. Go to the page on a refrigerator that runs without cooling.
Causes, most likely first on this family
- Condenser fan blade fouled or its bearing dry — Second on likelihood: it is a fan too, but it is in warmer, drier air than the evaporator fan, so it survives longer and fails later.
- Evaporator fan motor bearing wearing out — First on the list: the fan runs whenever the compressor does, sits in the coldest and wettest part of the cabinet, and reaches high running hours faster than anything else in there.
- Refrigerant flow through the evaporator — Last, and it is not a fault. Gurgling and trickling from the back wall is liquid moving through the tubing and it is a sign the sealed system is working.
- The departure from the page above this one — The generic article lists these causes in frequency order across every model the brand sells. Here the ordering also accounts for how this family is built — which panel comes off first, and which component is behind it — and that pushes the accessible causes up.
Check in this order, and why
- Note whether the sound keeps time with the fan or the compressor — Those two run at completely different speeds, so matching the rhythm to one of them halves the list before anything is opened.
- Lift the drain pan slightly and set it back on its rails — A pan that has walked off its seat rattles against the compartment floor, and re-seating it either ends the noise or eliminates it as a cause.
- Rock the cabinet gently from each front corner — Any movement means a foot is not carrying weight, and a cabinet on three feet transmits every vibration the compressor makes into the floor.
- Why the order matters more here — Because on this platform the difference in effort between the first check and the last is substantial. A sequence that starts at the accessible end reaches the same conclusion with far less work, and that is the whole reason for ordering it rather than listing it.
Before you open anything
Safety
Unplug the unit first. A capacitor inside can hold a charge after the power is off, the condenser fan can start without warning while the compressor is running, and nothing on the sealed system is an owner repair.
When to call a technician
If everything you can do without tools is done and the problem remains, that is the call. It is also the call if the food is at risk — a warm cabinet is a clock, and the diagnosis is worth paying for before the contents are lost.
Other faults covered for this family
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.