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The Artt HS refrigerator family covers four listings in the roster below, and on that platform the sound itself does most of the diagnostic work on these cabinets. The first job with a refrigerator noise is to decide which of three regions it is coming from, because each has a test that costs nothing. The order below starts with what you can hear from outside the machine and only then asks you to move it or open it.
What you observe
- A hum you feel through the floor or the neighbouring cabinets — The sound is being transmitted rather than radiated, which points at feet, levelling and contact with the surroundings rather than at any part inside.
- A knock or a thud a second or two after the machine starts — A compressor that has lost the give in its mounting grommets moves as it takes load, and the cabinet reports that movement as a single dull knock.
- A whirring that is louder with the doors closed than open — Cold air is being pushed past an obstruction. A cabinet packed against the rear air outlets produces exactly this and is put right by rearranging food.
- NEAR MISS — the noise arrived together with food going soft — Noise plus a cabinet that is no longer holding temperature is a cooling fault first and a noise second; work the cooling page and the noise usually resolves with it.
Causes, most likely first on the HS line
- Evaporator fan fouled by frost or running on a worn bearing — Ranked first here, because it is the only fan inside the food space, it runs far more hours than anything else in the cabinet, and a frost ridge on the cover needs nothing more than a stalled defrost to form. Nothing in the roster below splits these listings apart for this fault, so the order that follows holds across the whole label.
- Condenser fan blade or shroud fouled in the machine compartment — Second here, because the lower compartment collects dust, pet hair and the occasional dropped object, and the blade only has to touch one of them to produce a rattle that sounds like a failing motor.
- Food or a container touching the rear air outlets — Third here, because the air leaving those outlets moves fast enough to make anything loose flutter, and a packet that has slid against a grille will buzz until somebody moves it.
- Ice maker cycling on a machine with an automatic maker — Fourth here, because the fill, the harvest and the cubes dropping into the bin all make noises on a schedule of hours, which is why an unfamiliar sound that repeats a few times a day is often nothing at all.
- Drain-pan or suction-line resonance against sheet metal — Last here, because it takes a few millimetres of movement for a tube or a pan to find the case, and once it has, a panel the size of a door is being driven like a loudspeaker.
The order to work in
- Classify the sound before you move anything — Stand at the machine and decide whether it is continuous, cyclic or once-per-start. That single answer removes two thirds of the shortlist and costs nothing but a minute of listening.
- Pull the machine out and listen at the lower back — With the machine clear of the wall the condenser fan and the compressor separate audibly. This is also where a dropped object in the machine compartment becomes visible.
- Inspect the freezer rear cover for frost against the fan — A ridge of ice on the cover edge is enough to catch a blade. Frost here also tells you that a defrost fault is developing, which is worth knowing before it becomes a warm cabinet.
Safety first
Safety
Unplug the appliance or switch off its breaker before removing any panel; a capacitor can hold a charge after the power is off. The tubing at the back of a refrigerator is thin and it carries refrigerant. Do not lever against it, do not stand the cabinet on it, and if a line is ever cut or kinked the repair stops being an owner job at that moment.
Models in the HS family — The roster above is what this article generalizes over; where a page exists for one of these models it goes further than this one. Model numbers come from the platform data and are reproduced unchanged.
Reference| Model number | Family key |
|---|---|
| HS-262CN(UR-BD202-DQ)-F | artt:refrigerator:hs |
| HS-262CN(UR-BD202-DQ)-R | artt:refrigerator:hs |
| HS-386CN(UR-BD300-DQ)-F | artt:refrigerator:hs |
| HS-386CN(UR-BD300-DQ)-R | artt:refrigerator:hs |
When this stops being an owner job
Call when two successive checks have come back clean, because a shortlist that survives that far is naming a part behind a panel rather than a condition an owner can correct. Book it at your convenience unless the cabinet is also losing temperature, in which case the noise stops being the interesting part of the problem.
Other faults covered for the HS line
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.
