Start here, for RMX models
Most new noises on an Avanti RMX refrigerator come from something touching something else, not from a failing part. A cabinet that is not level, a condenser fan blade clipping its shroud, or tubing resting against the shell will all produce a buzz or a rattle that sounds far more expensive than it is. Work through the contact points before anyone quotes you a compressor.
What the owner sees
- A rattle or buzz that comes and goes with the cooling cycle — Looking at RMX models specifically, it starts when the compressor starts and stops when it stops, so it is on the running side of the machine.
- A high whine that rises and falls with nothing else changing — On an RMX model, a variable-speed fan or compressor changing rate makes this, and so does a dry bearing under load.
- A buzz that follows the ice maker filling — On the RMX line, the fill valve, and it is the one noise in a refrigerator that has a simple owner test.
- A rattle that changes when you touch the cabinet — Across the RMX line, something is resting against the case or a panel is loose — the cheapest kind of noise there is.
- Gurgling, trickling or a soft pop after it cycles off — Where RMX models are concerned, these are healthy noises: a machine that makes none of them is usually not running at all.
- 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.
What goes wrong here, most frequent first
- 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.
- Something touching the cabinet or a loose panel — A bottle against the back wall, a tray on top, a rear panel that has worked loose — any of them turns the case into a soundboard. That holds for every RMX model listed here.
- A floor that flexes or a unit standing on its castors — A cabinet that is not carrying its weight on its feet transmits every vibration into the boards under it.
- A failing compressor — It comes last because every cheaper cause imitates it, and only a technician with instruments should call it. The same order applies across the RMX family.
Work through these in order
- Open the door and listen for the noise to stop — For the RMX line, the door switch cuts the evaporator fan, so a noise that dies with the door open is that fan and nothing else.
- Pull the machine out and look behind the rear cover — On the RMX models listed below, do it with the machine isolated, and look for polished patches where metal has been touching metal.
- Check the clearance around and above the cabinet — Looking at RMX models specifically, a machine touching a wall or a worktop uses that surface as a soundboard, and the noise doubles.
Before you begin
Safety
Power off at the breaker or the plug before you investigate a noise from inside the machine — a capacitor can hold a charge after the power is off. Keep fingers clear of the fan shroud even when isolated, because a blade under spring tension can move. Leave every interlock and switch wired as found.
Models in the RMX family
Reference| Model number | Family key |
|---|---|
| RMX45B0W | avanti:refrigerator:rmx |
| RMX45B1B | avanti:refrigerator:rmx |
| RMX45B3S | avanti:refrigerator:rmx |
When this stops being an owner job
Hand it over once the three cheap causes are ruled out: level, clearance and contact. A dry bearing behind the rear panel needs the cabinet emptied and the panel off, and a hum from the compressor mounts needs the unit lifted. If the noise came with a loss of cooling, treat the cooling fault first and let the noise follow it.
Other faults on the RMX line
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.