What is going on across the ARBM line
An AVG ARBM refrigerator that has started buzzing, rattling or humming loudly is usually telling you about its mounting rather than its motor. These are light cabinets on small feet, and they transmit every vibration into the floor and the cabinetry around them. Identify WHERE the noise is before you decide WHAT it is.
Signs you can observe
- A high whine that rises and falls with nothing else changing — Where ARBM models are concerned, if it tracks the cooling demand it is probably normal; if it is constant and new, it is wear.
- A knock once or twice a day and never otherwise — For ARBM models, almost always the defrost cycle or a normal expansion tick rather than a fault.
- Gurgling, trickling or a soft pop after it cycles off — On ARBM models in particular, these are healthy noises: a machine that makes none of them is usually not running at all.
- A rattle or buzz that comes and goes with the cooling cycle — On ARBM models in particular, it starts when the compressor starts and stops when it stops, so it is on the running side of the machine.
- A sharp clatter for a second on start-up, then silence — Within the ARBM family, a fan blade clipping ice or a shroud makes exactly this short burst as it comes up to speed.
- NEAR MISS — loud running AND a warm cabinet — Then noise is the symptom and temperature is the fault. Read the cooling-failure page for your model line first.
Ranked causes on the ARBM line
- A cabinet that is not level or is resting on cabinetry — First, because these are light machines with adjustable feet and they are almost always installed in a hurry into a tight space.
- The condenser fan clipping its shroud or a dust ball — It sits here because you can see it: pull the machine out, take off the rear cover and the contact mark is usually obvious. On ARBM models it earns that place.
- The evaporator fan dragging on ice or a worn bearing — It ranks here because it is behind the rear panel: cheap part, but a teardown, so it is a service call on most of these cabinets.
- A failing compressor — Last, as it should be: a genuinely failing compressor is rare next to everything above and it is licensed work. That holds for every ARBM model listed here.
Work through these in order
- Open the door and listen for the noise to stop — On every ARBM model in the table, do this first every time: it halves the candidate list at zero cost.
- Put a flat hand on the side while it is making the noise — For ARBM models, if the sound changes, something is in contact and the search is over.
- Note when the noise happens and how long it lasts — For the ARBM line, write the times down for a day: a pattern turns a mystery into a normal function.
Before you begin
Safety
Isolate the refrigerator at the plug or the breaker first; a capacitor can stay charged after the power is off. Moving a loaded cabinet to find a noise is how floors get gouged and backs get hurt — empty it, walk it out, and keep the tubing at the back away from the wall. Every switch and sensor stays as fitted.
Models in the ARBM family
Reference| Model number | Family key |
|---|---|
| ARBM150SE | avg:refrigerator:arbm |
| ARBM171DSE | avg:refrigerator:arbm |
| ARBM171SE | avg:refrigerator:arbm |
| ARBM172BSE | avg:refrigerator:arbm |
| ARBM172SE | avg:refrigerator:arbm |
| ARBM172WE | avg:refrigerator:arbm |
Where the owner line falls
Call when the load is clear of the walls, nothing rests on top, the unit is level and carrying its weight on its feet, and a grinding or screeching noise is still there. What remains is a fan motor or a compressor bearing, and both mean panels off with mains inside.
Other ARBM problems we cover
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.