Outdoor ice merchandiser freezer with an ICE sign on top
7 components covered

Field manual · Ice Maker

Scotsman Brilliance SCN60 nugget and CU50 gourmet cube undercounter: quick sheet

Covers: Scotsman residential 15-inch undercounter ice machines: SCN60 Brilliance nugget (SCN60GA gravity drain, SCN60PA with pump; -1SU panel-ready, -1SS stainless) and CU50 gourmet cube (CU50GA gravity, CU50PA pump) (Scotsman spec sheets; KaTom, BBQGuys listings).

Single sourceBrands: Scotsman7 components

Premium built-in ice machines common in high-end kitchens and bars. SCN60 makes nugget ice with an auger/evaporator; CU50 makes clear gourmet cubes on a water-spray/plate-type system. Both are air-cooled, 115 V, and come in gravity-drain or pump-drain versions — drain problems are a top service call.

Safety first

  • Unplug before removing any cover; the start device, compressor terminals and defrost heater are line voltage.
  • Sealed refrigerant system (compressor, condenser coil, evaporator tubing, capillary, refrigerant charge) is BLOCKED: diagnose symptoms only and refer to an EPA 608-certified technician. No brazing, recharging or leak repair.
  • Many current units use R-600a (isobutane), a flammable refrigerant: no open flame or sparking tools near the tubing, and ventilate if a leak is suspected.
  • Melt ice with a hair dryer on low or warm towels only; never chip ice off an evaporator with a tool.
  • Keep food at safe temperature (move it to coolers) during any defrost or repair.

How it works

SCN60: water fills a reservoir by float/valve, an auger inside a refrigerated cylinder scrapes and compresses ice into nuggets that drop into the insulated bin; bin control stops production when full.

CU50: water is circulated over a cold evaporator to build clear cubes, then a harvest cycle releases them into the bin; leftover water drains away.

Gravity models need a floor drain below the unit (5/8 in ID drain line on SCN60); pump models (PA) lift water through a supplied drain tube.

Components & tests

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Official manufacturer documentation

Always confirm values against the tech sheet for the exact model.

OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work. © 2026 OnCall Tech. Original content; not a reproduction of any manufacturer document.Generic part photos (not of this brand): Outdoor ice merchandiser freezer with an ICE sign on top by Athena Sandrini, Pexels License

Diagnostic guides for this appliance

Guide · Ice Maker

Countertop ice maker shows 'Add Water' with water in the reservoir

These units detect water with a float, probe or wire sensor in the reservoir and a small pump that lifts water to the tray. Scale on the sensor, a blocked reservoir screen, a stuck float, very pure water or a weak pump can all trigger a false Add Water.

4 steps ~30 mineasy
Guide · Ice Maker

Undercounter ice maker: ice slab will not release or sticks on the cutting grid

Grid-cutter (slab) ice makers freeze a sheet, release it during harvest and let a heated wire grid cut it into cubes. Most release problems come from an unlevel cabinet, scale on the evaporator plate, or a cutting grid that is unplugged or not heating. Harvest switches and probes are next.

5 steps ~60 minmoderate
Guide · Ice Maker

Undercounter ice maker not making ice

Check power, water supply and pressure, drain (pump models stop when they cannot drain), bin sensor, cleaning status, condenser and room temperature. Scale is the most common cause on older machines.

7 steps ~60 minmoderate

Other ice makers manuals

Manual · Ice Maker

Undercounter clear-ice machine: field service manual

15-in residential undercounter clear-cube machines (gravity-drain and pump models); notes on Hoshizaki KM-style cubers. Generic platform; confirm with model data.

7 components4 common failuresGE, Whirlpool / KitchenAid, Scotsman, Hoshizaki, U-Line, Manitowoc
Manual · Ice Maker

Countertop bullet & nugget ice makers: field service manual

Hand-filled countertop units: bullet/prong-type portables and auger-type nugget makers (Opal 1.0/2.0). Generic platform; confirm with model data.

6 components4 common failuresGE Profile Opal, Whynter, NewAir, Frigidaire, Danby
Manual · Ice Maker

GE Profile Opal 2.0 nugget ice maker: quick sheet

GE Profile Opal 2.0 countertop nugget ice makers, e.g. XPIO13SCSS and XPIO43SCSS (with side tank), plus Opal 2.0 Ultra; SmartHQ Wi-Fi (GE support pages; retailer listings). Daily output listed 24-38 lb depending on model and source.

6 components4 common failuresGE Profile
Scotsman Brilliance SCN60 nugget and CU50 gourmet cube undercounter: quick sheet · OnCall Tech