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Sub-Zero Repair Lexington, MA (781) 790-4760
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Dark stainless undercounter drawers pulled open, ice and wrapped packages in the upper drawer and bottles laid flat below

Appliances · Ice

Ice machines and ice makers

Ice is the most complained-about appliance in a luxury kitchen and the one most often replaced when it did not need to be, because almost every ice fault is a water fault wearing a disguise.

  1. Two different machines

    A standalone clear-ice machine freezes water in a thin layer over a plate, which is why its cubes are clear, and then harvests the slab and cuts it on a grid. An ice maker built into a refrigerator or freezer column fills a mould, freezes it through, and twists or heats the cubes free. They share almost nothing mechanically, and the same symptom means different things on each.

  2. What the cube tells you

    The ice already in the bin is evidence, and it is free to read.

    • Hollow or shell-like cubes: the fill is stopping early — pressure, a restricted valve or a filter at the end of its life
    • Cloudy cubes on a clear-ice machine: the water is not being cycled long enough over the plate, or the plate needs cleaning
    • Undersized cubes: fill volume, and usually the same causes as hollow ones
    • Cubes fused into a slab: the batch is being held past harvest, or nobody has drawn ice for weeks
    • No ice at all with water present: the harvest cycle, not the freezing side
  3. Leaks and smells

    A machine leaking down the side of the cabinet into the toe kick is the most common ice call there is, and the source is nearly always the drain rather than the supply: a blocked drain line, a failed pump, or a drain routed uphill during installation. A bin that smells stale after a full clean is biofilm in the water path rather than in the bin, which is why cleaning the bin does not fix it.

Reviews

After ice calls

5 out of 5 from 1297 reviews

  • The ice maker inside our column stopped producing anything at all. Its fill tube had frozen solid because the flap heater was dead. Both replaced, and he showed me how to check the arm position myself.

    Trudy W. · Belmont

  • Clear-ice machine in the pantry filled with water but never dropped a batch. The cutter grid had shorted at one end. Replaced, and he flushed the reservoir and scrubbed the bin out while he was at it.

    Odette L. · Bedford

  • Bar machine at the island end was short cycling and running loud. Its condenser filter had never been pulled since installation and was a solid mat. Cleaned, fan checked, and production back to a full bin.

    Ibrahim N. · Meriam Hill

Book it

Describe the cube before you describe the machine — it names the fault surprisingly often.

Flat $95 call-out, credited against an approved repair.

(781) 790-4760 8:00 am – 8:00 pm, seven days Book