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S U B - Z E R O
T R O U B L E S H O OT I N G
P R O B L E M
Ice maker does not
operate
S E R V I C E
C E N T E R
Contact your
Sub-Zero dealer or
check the Locator
section of our
website,
subzero.com, for
the authorized
service center
nearest you.
Ice cubes are too
large
Ice cubes are too
small
Ice cubes are partially
formed – ragged sides
Ice maker makes ice,
but storage bin does
not fill with ice
Ice cubes are partially
formed – white at the
bottom
20
T R O U B L E S H O OT I N G
G U I D E
P O S S I B L E C A U S E
Ice maker is unplugged
Breaker tripped or fuse is blown
Ice maker control turned to OFF
Storage bin thermostat open,
keeping ice maker off
Timer contacts open
Cube size control set too cold
Cube size control set too warm
Not enough water
Cube size control stuck closed –
timer runs all the time
Spray jets partially clogged
Storage bin should fill with ice and
ice maker shut off in 24–36 hours –
if not, condenser may be dirty
Storage bin drain may be partially
restricted
Air flow to ice maker may be
obstructed
Not enough water in reservoir
G U I D E
P O S S I B L E S O L U T I O N
Plug ice maker in
Reset breaker or replace fuse –
if it happens again, call a Sub-Zero
authorized service center
Turn ice maker control to ON
Ice on sensor tube – it is normal for
ice maker to be off
Ice maker in room below 50˚F (10˚C)
– room must be warmer for ice
maker to operate
Storage bin thermostat stuck open,
must be replaced
Replace timer
Adjust cube size control for smaller
cubes (see page 18)
Adjust cube size control for larger
cubes (see page 18)
Check water supply – filter may
be restricted
Check inlet water valve – inlet screen
may be restricted
Replace timer
Clean ice making system with ice
maker cleaner (see page 18)
Clean condenser (see page 17)
Clean out drain, check installation
Check installation – kickplate/grille
must be free of obstructions
Check water supply – filter may
may be restricted
Check inlet water valve – inlet screen
may be restricted
Check for water leak in reservoir
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