An ice maker that's gone quiet is one of the more common calls we get. Once the actual cause is identified correctly, fixing it is rarely an expensive job — the trick is not guessing at parts before you know which of these it actually is.
Check the water supply line first
Behind or underneath most refrigerators is a thin water line connecting to the home's supply. This line can kink if the fridge has been moved for cleaning, or it can develop a slow leak at the connection. A kinked or blocked line starves the ice maker of water before anything else in the system even gets a chance to fail.
Feel for a frozen fill tube
The fill tube carries water from the valve into the ice mold, and it's narrow enough to freeze solid if the freezer runs slightly too cold or if humidity gets into the tube. A hair dryer on low, held a safe distance away, can sometimes clear a frozen tube — though if it refreezes repeatedly, that points to a bigger issue with freezer temperature or the tube's insulation.
Confirm the freezer temperature itself
Ice production slows or stops if the freezer runs warmer than around 0-5°F. Check the temperature setting and confirm the freezer is actually holding that range — sometimes the ice maker is fine and the freezer's own cooling is the real problem.
Listen for the water inlet valve
During a fill cycle, you should hear a faint buzzing or humming as the inlet valve opens. If you hear nothing at the expected point in the cycle, the valve itself may have failed electrically, which is a straightforward part to replace.
Small, hollow, or cloudy cubes
Weak water pressure getting to the valve is the more likely explanation here, rather than the valve having failed outright — it's opening on schedule, just not passing a full charge of water through each time.
Mineral buildup is a quieter cause: hard water, common across Fort Bend County, gradually narrows the fill tube and valve opening over months or years, which shows up first as slowly declining ice production rather than a sudden stop.
When to call it in
If the supply line is clear, the tube isn't frozen, and the freezer is holding temperature, the remaining likely causes — a failed inlet valve or a harvest motor issue — need a technician to test properly rather than replace on a guess. Our ice maker repair page covers what that visit involves, and if the freezer itself seems to be struggling more broadly, see refrigerator repair as well.