IceMakerRepair.center (844) 773-0701Mon–Sat, 8am–8pm Book a visit
A tall stainless French door appliance with a recessed ice dispenser on its left door stands in a bright US home kitchen, a clear glass under the chute catching falling ice cubes.

Sub-Zero
Ice Maker Repair

Sub-Zero ice maker service, for ice makers in built-in units and those under the counter.

(844) 773-0701

Mon–Sat, 8am–8pm

  • 3 ice maker types
  • 7 problems we see
  • 15 error codes

Book a visit

Three short steps, about a minute.

or call (844) 773-0701

Sub-Zero ice makers,
specifically.

Sub-Zero makes ice in three places: the UC-15I undercounter ice maker, the ice drawer of its column freezers, and the freezer of built-in models, some with an external dispenser on the door. Its built-in controls report ice and water trouble with three-part codes such as 30 8 05, while the undercounter unit speaks through lights.

The Sub-Zero lineup

Builds3 ice maker types

Door ice maker · Freezer ice maker · Undercounter ice maker

Called out forNo Ice Coming From the Ice Maker

and 6 more problems on Sub-Zero

Repairs we do10 repairs, on any make

Diagnostic visit · Ice maker assembly replacement · Ice maker water inlet valve repair · Frozen fill tube repair

Error codesEC30 · 30 8 05 · 30 8 10 · 30 8 30 · 30 9 01

15 Sub-Zero codes with a page of their own

The Sub-Zero
lineup.

Sub-Zero builds 3 of the 4 ice maker types this site covers. Which one decides how the visit is planned.

All ice maker types
Door

Door ice maker

5 of the problems we see on Sub-Zero come up on it Door ice maker repair Freezer

Freezer ice maker

1 of the problems we see on Sub-Zero come up on it Freezer ice maker repair Undercounter

Undercounter ice maker

2 of the problems we see on Sub-Zero come up on it Undercounter ice maker repair

What is particular
to Sub-Zero.

We see the UC-15I undercounter ice maker (indoor and outdoor), Designer column freezers with ice drawers, and Classic and Designer built-ins with and without dispensers. The series letters on the rating plate decide which code list and which ice maker module apply.

Three-part codes for ice and water

On Classic built-in models, codes that start with 30 cover the ice maker, dispenser and water parts, 40 marks something that ran past its time limit, and 50 U covers the water flow meter. Reading all three parts tells us whether to start at the valve, the ice maker or the supply line.

A flow meter on the water line

Classic built-ins measure incoming water and report low flow (50 U 86) or no flow (50 U 87) separately. That lets us separate a house pressure problem from a failing valve before we open anything.

An undercounter unit that stops itself

The UC-15I shuts down and flashes its blue ICE light after two over-long freeze and harvest cycles in a row or about two days without filling the bin. Most of those stops trace back to the water supply or a clogged filter.

Water pressure and room limits

The UC-15I guide asks for 20 to 80 psi at the supply and lists an ambient range for indoor and outdoor models. Low pressure or a hot outdoor bar is often the first thing we measure when production drops.

Parts

Ice maker modules, water valves, filters and dispenser parts are matched to the series and serial number. Parts for older built-ins may need to be ordered after the first visit.

Repair or replace

A built-in Sub-Zero with an ice problem is almost always repaired, because the problem sits in one module, valve or switch rather than the whole unit. An older UC-15I that needs a sealed-system repair and a new ice maker at once is the case where replacement is worth weighing.

Book your Sub-Zero visit

What we are
called out for.

On Sub-Zero, most often no ice coming from the ice maker.

All problems

Sub-Zero error codes

All Sub-Zero codes
An open bottom freezer drawer in a US home kitchen showing an empty white ice bin and the gray ice maker mold above it with its row of dry cube cups, a dispensing glass sitting unused on the counter.

No Ice Coming From the Ice Maker

7 causes, cheapest first

 The control strip on the front of a stainless undercounter ice maker in a US home kitchen, one small amber indicator light glowing among dark ones, the symbols beside them blurred and unreadable.

Ice Maker Light Flashing

6 causes, cheapest first

 A handful of small, thin crescent ice cubes and a few broken hollow shells lying in a white ice bin pulled from a freezer drawer, one cube cracked open to show its wet center.

Ice Maker Making Small or Hollow Cubes

6 causes, cheapest first

 The recessed ice and water dispenser in the stainless door of a French door model in a US home kitchen, an empty glass held against the paddle cradle with no ice falling from the chute, the display dark and blank.

Ice Dispenser Not Working

6 causes, cheapest first

Not a
Sub-Zero?

Sub-Zero is one of 27 ice maker makes on this site. The other 26 each have a page of their own.

All 27 brands

Sub-Zero ice maker repair,
where we come out.

9 metros, each with its own page.

All service areas

Tampa BayFL · 31 areas

OrlandoFL · 30 areas

Miami / South FloridaFL · 47 areas

New York MetroNY · 75 areas

HoustonTX · 36 areas

ChicagoIL · 50 areas

Los AngelesCA · 95 areas

San DiegoCA · 31 areas

San Francisco Bay AreaCA · 74 areas

A parent and a child filling two glasses with ice from the door dispenser in a bright family kitchen
For the heart of your home.

Questions about
Sub-Zero ice makers.

Why does my Sub-Zero undercounter ice maker have a blinking blue ICE light?
The UC-15I has put itself into automatic shut-off, usually after it could not fill the bin normally. Check that the water is on, try the unit without its filter, and give it an hour to drop ice before booking a visit.
What do the three numbers in a Sub-Zero ice code mean?
On Classic built-ins, the first number is the group, the second the part and the third the exact condition. 30 8 05, for example, means no fill signal came from the ice maker.
Can low water pressure stop a Sub-Zero from making ice?
Yes. The UC-15I needs 20 to 80 psi, and Classic built-ins log low or no flow as 50 U 86 or 50 U 87. We check the supply before replacing any part.
Does a Sub-Zero with an internal dispenser have an ice maker in the door?
No. On internal dispenser models the dispenser sits inside the refrigerator and the ice maker stays in the freezer. Only the dispenser models with an external dispenser deliver ice through the door panel.

Back to your everyday

Book your Sub-Zero visit.

Have the ice maker's model number ready — on Sub-Zero it decides which parts come on the first visit.

Schedule a repair Call (844) 773-0701
(844) 773-0701 Schedule a repair