Ice Makers

Undercounter, nugget and countertop machines: no ice, small cubes, cleaning.

5 field manuals · 36 error codes · 14 guides · 5 brands

Field service manuals

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

Manual · Ice Maker

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

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).

7 components4 common failuresScotsman

Manual · Ice Maker

Frigidaire EFIC countertop bullet ice maker (EFIC189 / EFIC101 class): quick sheet

Frigidaire EFIC-series countertop bullet-ice makers (EFIC101 confirmed in the series guide; EFIC189 and other EFIC numbers differ in capacity and finish — read the rating label). Manually filled, R-600a (series troubleshooting guides).

6 components4 common failuresFrigidaire

Diagnostic guides · 13

Guide · Ice Maker

Commercial cuber long freeze or long harvest alarm

Long freeze usually means poor heat rejection or water problems; long harvest usually means scale or harvest components. Do the safe checks; refrigeration work goes to an EPA 608-certified tech.

6 steps ~60 minmoderate

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

Full-bin sensor: overfilling or stopping too early

Bin controls are infrared/optical sensors (countertop, Opal), thermostatic bulbs (Hoshizaki) or thermistor sensors. Dirty, blocked, loose or misplaced sensors cause over- or under-production.

5 steps ~30 mineasy

Guide · Ice Maker

GE Opal nugget ice maker not making ice / descaling

Most no-ice Opal calls are water starvation (low reservoir, side-tank hose, clogged filter, air) or scale. Follow GE's clean/descale procedure with intervals based on water hardness. Continuous grinding is not normal and goes to Opal support.

5 steps ~60 mineasy

Guide · Ice Maker

Ice machine slime, mold or scale

Scale and biofilm slow harvest and trigger long-cycle codes (e.g. Hoshizaki 2 beeps, Scotsman 2). Clean and sanitize per the manufacturer's procedure and replace the water filter.

5 steps ~90 minmoderate

Guide · Ice Maker

Ice maker drain pump problems

Pump models are used when there is no gravity drain (e.g. draining to a sink). They need correct hose routing within the stated rise/run limits and tight connections. A pump that cannot discharge can stop production or cause leaks.

4 steps ~45 minmoderate

Guide · Ice Maker

Ice maker leaking

Check supply connections, drain hose alignment and clamps, drain cap, level and (if fitted) the drain pump kit connections. Some dripping from the cutter grid into the bin during harvest is normal on clear-ice units.

5 steps ~40 mineasy

Guide · Ice Maker

Ice melting in the bin (portable / undercounter)

Many countertop and some undercounter machines have unrefrigerated bins: melting is normal and the melt is recycled or drained. Excess melting comes from a hot location, a door left open or poor ventilation.

3 steps ~20 mineasy

Guide · Ice Maker

Ice tastes or smells bad

Common causes: old filter, food stored in the bin, dirty bin, and mineral scale. Replace the filter, keep only ice in the bin, wash the bin and clean/sanitize the machine.

4 steps ~60 mineasy

Guide · Ice Maker

Nugget/flake machine auger overload or no ice sensed

Scale on the evaporator and auger is the most common cause of auger overload. Low water starves the freezing cylinder. Descale and check water before replacing gear motors.

5 steps ~90 minmoderate

Guide · Ice Maker

Small, thin, hollow or cloudy cubes

Small or thin cubes usually mean not enough water: low pressure, a clogged filter or inlet screen, or water leaking out of the pan (loose drain cap, check valve leak-by). Cloudy ice usually means scale. In bins that are insulated but not refrigerated, cubes naturally shrink and clump over time.

5 steps ~45 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

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

Installation · 1

Install · Ice Maker

Undercounter ice maker install: water, drain (gravity or pump) and venting

Undercounter ice makers need a cold-water line with shutoff and a way to drain melt water: gravity to a floor drain or standpipe below the unit, or a drain pump model/kit when the drain is higher. Keep the front grille clear and level the unit carefully so water drains.

5 steps ~120 minmoderate

GE Profile · 3 codes

GE Profile · Ice Maker

All lights flashing

Auger motor not turning / overloaded

Ice Makers

Field service manuals

Undercounter clear-ice machine: field service manual

Countertop bullet & nugget ice makers: field service manual

GE Profile Opal 2.0 nugget ice maker: quick sheet

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

Frigidaire EFIC countertop bullet ice maker (EFIC189 / EFIC101 class): quick sheet

Diagnostic guides · 13

Commercial cuber long freeze or long harvest alarm

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

Full-bin sensor: overfilling or stopping too early

GE Opal nugget ice maker not making ice / descaling

Ice machine slime, mold or scale

Ice maker drain pump problems

Ice maker leaking

Ice melting in the bin (portable / undercounter)

Ice tastes or smells bad

Nugget/flake machine auger overload or no ice sensed

Small, thin, hollow or cloudy cubes

Undercounter ice maker not making ice

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

Installation · 1

Undercounter ice maker install: water, drain (gravity or pump) and venting

GE Profile · 3 codes

GE Profile Opal · 10 codes

Hoshizaki · 9 codes

Scotsman · 11 codes

Whirlpool / KitchenAid · 3 codes

Official manufacturer support