The short answer
An ice maker that has gone quiet on Alcove is usually being starved rather than broken. Water reaches it through a valve, a line and often a filter; any of those can stop the harvest while the machine itself is healthy. On a cabinet whose platform you should confirm before ranking anything: compact or full-size, one evaporator or two, mechanical thermostat or electronic control, work the water path first and the module last.
What you are actually seeing
- The bin is empty and the machine is otherwise normal — Cold food, quiet cabinet, no ice. That points at the water path rather than the cooling system.
- Cubes are hollow, small or fused into one lump — Partial fill and partial harvest: the mechanism works, the water arriving is not enough or arrives too slowly.
- You can hear the fill valve buzz but nothing arrives — A valve calling for water with no result means a closed supply, a kinked line or a frozen fill tube.
- Ice forms as a slab above or behind the mould — Water is arriving where it should not, usually past a mis-set fill tube or a leaking valve seat.
- Not this fault: the ice tastes stale but the harvest is normal — That is a filter and storage question rather than a production fault, and it is fixed by emptying the bin and changing the filter.
- Not this fault: the whole freezer is warm — Then the ice maker is a symptom and not the problem. Start with the cooling failure page for this cabinet.
Causes, most likely first on this machine
- The water supply is closed, kinked or restricted — First, because it explains the most cases and costs nothing to check. A shut-off left half-closed after a repair, or a line crushed behind a cabinet pushed back to the wall, stops the harvest completely.
- A frozen fill tube — Second: the tube feeding the mould passes through cold air, so a slow drip freezes in it and seals it. The valve then opens into a plug of ice, which is why the machine sounds healthy and the bin stays empty.
- A water filter past its life, or a housing not seated — Third: a clogged filter drops pressure until fill is partial, which is exactly the hollow-cube symptom. A housing left unlatched after a change does the same.
- The freezer is not cold enough to trigger a cycle — Fourth: the harvest is temperature-driven, so a cabinet sitting above 0 °F (−18 °C) makes little ice or none while looking otherwise fine.
- The bail arm, ice-level sensor or a jammed cube — Fifth: a bail arm pinned up by a bag of food, or an optical level sensor blinded by frost, tells the machine the bin is full when it is empty.
- The fill valve or the ice-maker module itself — Last: both are real failures and both are diagnosed with a meter on a live circuit, which is why they belong after everything above rather than before it.
Check in this order, and why
- Confirm the shut-off is open and the line behind the cabinet is not crushed — The cheapest check on the list, and it removes the most common cause outright.
- Look at the fill tube for a plug of ice — If it is frozen, nothing downstream matters yet, and the repair is a defrost rather than a part.
- Check the filter's age and that its housing is latched — Partial fill and hollow cubes come from here often enough to check before touching the module.
- Measure the freezer temperature — A cabinet above 0 °F (−18 °C) explains a poor harvest by itself, and then the ice maker is the wrong page.
- Check the bail arm or level sensor is free and clean — Last of the free checks, and the one that makes a working machine look dead.
What an owner can safely check
- Empty the bin completely and look at what comes out — Cube shape is evidence: full cubes mean a harvest or level fault, hollow ones mean a fill fault. Do this before anything else.
About 10 min
- Trace the supply line from the cabinet to its shut-off — Pull the cabinet forward on its rollers if you can do it without straining, and look for a kink where it turns into the wall.
About 15 min
- Thaw a suspect fill tube — Warm water on a cloth held against the tube, patiently. No heat gun, no hair dryer, and nothing metal pushed into the tube.
Tools: cloth, warm waterAbout 20 min
- Change the filter and reseat its housing — Then flush several litres through the dispenser if the cabinet has one, so trapped air does not read as a fill fault.
Tools: replacement filterAbout 15 min
- Stop here if the next step is testing the valve or module electrically — That is a meter on live terminals inside the cabinet, and it is the line between an owner check and a service call.
Before you open anything
Safety
Unplug the appliance or switch off its breaker before removing any panel or the ice-maker assembly — a capacitor can hold a charge after the power is off. Shut the water supply off before disturbing any fitting, and have towels down before you open one. Do not thaw a fill tube with a flame or a heat gun; the parts around it are plastic and the tubing behind them is not repairable at home. Leave the door switch and its wiring as you found them.
When to call a technician
Call once the water path is confirmed clear and the harvest still fails, and call sooner if water is arriving where it should not — a slab of ice above the mould, or water running down the inside of the cabinet, means a valve or fill tube that needs replacing rather than adjusting. Call as well if the freezer cannot hold 0 °F (−18 °C), because the ice maker is then the least of what is wrong.
Sources
Documented- Refrigeration and Food Safety (USDA Food Safety and Inspection Service) — fsis.usda.gov, fetched 2026-09-12
- 29 CFR 1910.147 — The control of hazardous energy (lockout/tagout) — osha.gov, fetched 2026-09-12
- U.S. Consumer Product Safety Commission — product safety and recall notices — cpsc.gov, fetched 2026-09-12
Nearest pages of this class
What this page does not cover
This page covers the appliance class under this nameplate and not one family or model line. Fill volumes, harvest timings, sensor types and part numbers differ by platform and belong on the model-specific page, linked below where one exists. Dispensers, filtration chemistry and plumbed-in installation work are outside it.
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.
