The short answer for these models
A refrigerator that has started making a new noise is usually reacting to how it stands, what is on it and what is around it. Levelling, clearance and loose items explain most complaints. A grinding or a scraping that follows the cooling cycle is the exception and it deserves a look.
How this shows up
- Before the list: which of the BD forms is in front of you — Check the back for a supply line. Fitted, and a leak has two possible sources; absent, and there is only one.
- A buzz or hum that comes and goes with the cooling cycle — It rises when the unit starts a cycle and falls when it ends one, which is the pattern a compressor makes.
- Sharp cracks or pops at intervals — A single loud crack, then nothing for an hour, then another — the rhythm of a cabinet changing temperature.
- A scraping or a knocking you can feel through the floor — This is the one that earns a call: it points at something turning against something else, or at a compressor mount.
Causes, most likely first on this family
- The evaporator or condenser fan — Here because it is the first item on the list that is actually a part, and because the door test identifies it without a panel coming off. This is where the order departs from the brand-level page: on the BD models the construction settles it, so the water-path checks come before the checks that lead anywhere else.
- The defrost timer or a solenoid clicking — It belongs on the list because it is frequently reported and almost never a fault.
Check in this order, and why
- First — level the cabinet and check what it touches — Rock it gently corner to corner. Any movement at all is worth taking out before you listen to anything else. On these models this is the step the construction changes: read the result against the form you identified first, because the same finding means different things on the two.
- Second — clear the top, the back and the shelves — Take everything off the top of the machine and off the shelves nearest the source, then listen again.
Before you open anything
Safety
Unplug the appliance or switch off its breaker before removing any panel. A capacitor can hold a charge after the power is off. Never reach into a fan housing to find a noise while the unit is plugged in — the door switch can start that fan the moment the door closes on your arm. A loaded cabinet is heavy, so empty it before moving it and walk it rather than dragging it. Get a second person before you pull the cabinet out or tilt it.
Where the owner job ends
The line is whether the sound survives levelling, clearance and a cleared cabinet. If it does, it belongs to a moving part behind a panel and that is a visit. Tell the technician whether it changes with the door — it saves them a diagnostic step.
