The short answer for this line
Ice is the hardest thing an S unit does, which is why it fails first and recovers last. Production that stopped abruptly and completely is usually a switch or a sensor rather than a temperature, and the ranking below follows from that rather than from the brand-generic order. The order below puts the ice maker held off by its arm or sensor first and the ice maker mechanism itself last, and that order is the point of the page.
What this looks like on these models
- Ice overnight and none during the day — A pattern that follows use and room temperature rather than the machine.
- A mechanism that cycles and delivers nothing — Where a unit has an automatic ice maker, it goes through the motions with nothing in the mould.
- Heavy frost on the plate with an empty bin — The cooling surface is insulated by its own ice, so the air never gets cold enough.
- The compartment reads above freezing on a thermometer — Cold, but not cold enough for ice, which settles most of the diagnosis at once.
- NEAR MISS - everything freezes solid — Over-freezing is the opposite complaint and runs the diagnosis the other way, starting at the setting and the control.
Causes in likelihood order on this platform
- The ice maker held off by its arm or sensor — Ranked first on this line: automatic ice makers stop themselves when they believe the bin is full, and a shut-off arm nudged upward, a sensor blocked by a bag, or a bin pushed out of place all make the unit believe exactly that.
- No water reaching the ice maker, where one is fitted — It ranks high wherever the line includes a unit with an ice maker, because it is the first thing to exclude and the cheapest.
- Ice bridged or frozen into a block — Then: clearing it is owner work and it comes straight back if whatever melted the ice is not dealt with, so it is diagnostic as much as it is a repair.
- The ice maker mechanism itself — Last, and the reason the order matters: it is identified by watching a full cycle: a mechanism that never moves, or that moves and never fills, has named itself.
Check in this order, and why
- Check what is telling it the bin is full — Note whether production stopped abruptly or declined. Abrupt stops point at a switch or a sensor; decline points at temperature.
- Establish that water is arriving at all — Check the reservoir or the supply first: full, open, not kinked, and not frozen where it passes through the cold. An ice maker with no water cycles and delivers nothing.
- Empty the bin completely and inspect the mould — Ask what happened before it stopped: a door left ajar, a move, or a power cut will each produce exactly this.
Safety first
Safety
Switch off at the breaker or pull the plug before you reach into the compartment mechanism, since a capacitor can hold a charge after the power is off. Do not run a lead across a wet floor while defrosting, and keep meltwater away from the machinery end.
The line between a fix and a call
Call if production tailed off over weeks together with a compartment that is no longer as cold as it was, because that combination points at capacity rather than at ice. A sudden stop with normal cooling is usually still an owner fix.
The rest of this line
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.