The short answer
On the CMXAPMAC family the usual reason a Craftsman refrigerator is making an unfamiliar noise is ice maker fill, harvest and drop, and that is where the order below departs from the brand-generic article one level up: on the through-door dispenser build it outranks defrost cycle expansion and the thermal crack. The check that confirms which build you have is simple — look at the door: a water or ice outlet in the door means an ice maker and a fill line are part of the noise picture. Everything in front of the freezer rear panel — levelling, clearing, seating the pan — is owner work; what sits behind that panel is not.
What you observe on these models
- A drone that carries through the floor — Worse on hard floors and in a quiet room, and it changes if the appliance is moved.
- A whirring or ticking that stops when the door is opened — The door switch cuts the cabinet fan, so this places the noise inside the food compartment.
- A gurgle or hiss that fades as the cooling stops — Refrigerant moving. It becomes a fault only when a tube is touching the cabinet.
- A clatter from the freezer at intervals with no pattern — Ice dropping into the bin, which surprises people most at night.
- Single sharp cracks separated by long silences — Expansion and contraction around the defrost cycle. Normal on a frost-free cabinet.
- NEAR MISS — the noise comes with a cabinet that is no longer cold — Noise plus warmth is a cooling fault, not a noise fault, and the cooling page is the right one.
Causes, most likely first on the CMXAPMAC family
- Ice maker fill, harvest and drop — Ranked first here: it ranks first on a cabinet with a dispenser because it is the noisiest thing in the appliance and it runs on its own schedule, so the owner rarely connects the sound to the event that caused it.
- Defrost cycle expansion and the thermal crack — Second: the tell is that it is never continuous: single sharp reports, sometimes in a short burst, then nothing for hours.
- Evaporator fan blade catching frost or its shroud — Third: this is the part that produces a noise which is loudest with the door shut and silent with it open.
- Condenser fan blade or debris in the machine compartment — Fourth: down in the machine compartment the fan turns in whatever the floor has offered it.
- Cabinet out of level or a foot not carrying weight — Fifth: it ranks where it does because it costs nothing to exclude: press each front corner in turn and feel for movement before opening a single panel.
- Refrigerant flow and tubing touching the cabinet — Sixth: the separation is simple: flow noise follows the compressor cycle and fades with it, while a mechanical noise keeps a constant character throughout.
Check in this order, and why
- Switch the ice maker off for a day — If the noise disappears with it, the cycle was the source and the appliance is healthy.
- Note whether the noise is continuous or a single crack — Single reports separated by hours are the defrost cycle and need no repair.
- Open the freezer door and listen for the change — The fan stops when the door opens, so a noise that vanishes on opening is inside the cabinet.
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. Leave the door switch wired exactly as it is: it cuts power to the cabinet fan for a reason, and defeating it puts a spinning blade in a space your hand goes into. Anything on the sealed system is licensed work, so if you find oil at the tubing, stop there. Get help before moving the cabinet: it is heavier than it looks and it will pivot on its front feet.
Models in the CMXAPMAC family
Reference| Model number | Family key |
|---|---|
| CMXAPMAC100M | craftsman:refrigerator:cmxapmac |
| CMXAPMAC100W | craftsman:refrigerator:cmxapmac |
When to call a technician
Once you have excluded rocking, debris and the pan and the noise persists through a whole cooling cycle, it is a service call. It is also a service call the moment the sound changes character — a hum that becomes a knock, or a whirr that becomes a grind — because a changing noise is a part moving towards failure rather than a part that is simply loud.
