Sub-Zero UC-15I Installation & Operation Manual page 29

S U B - Z E R O T R O U B L E S H O OT I N G
T R O U B L E S H O OT I N G
P R O B L E M
Freeze cycle is long,
low ice production
Ice quality is poor,
cubes are shallow,
incomplete or white
Dimensions in parentheses are in
millimeters unless otherwise specified.
G U I D E
G U I D E
P O S S I B L E C A U S E
Water temperature is too high
Dirty condenser
High air temperature entering
condenser
Water filtration is poor
Water inlet valve stuck open
or leaking
Water inlet valve is not working
Refrigeration problem
Kickplate is obstructed
Ice machine is dirty
Water filtration is poor
Water softener is working
improperly (if applicable)
Poor incoming water quality
P O S S I B L E S O L U T I O N
Connect a cold water supply, verify
check valves in faucets and other
equipment are functioning correctly.
Clean condenser, see page 24.
Air temperature must not exceed
100˚F (38˚C) for models UC-15I and
UC-15IP, and 110˚F (43˚C) for models
UC-15IO and UC-15IPO.
Replace the filter.
Turn off ice machine. If water
continues to enter ice machine, the
water inlet valve must be replaced.
Call for service.
Water inlet valve must be replaced.
Call for service.
Call for service.
Remove obstruction.
Clean and sanitize the ice machine,
see pages 23–25.
Replace the filter.
Repair the water softener.
Contact a qualified service company
to test the quality of the incoming
water and make appropriate filter
recommendations.
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