29
Dimensions in parentheses are in
millimeters unless otherwise specified.
S U B - Z E R O
T R O U B L E S H O OT I N G
G U I D E
T R O U B L E S H O OT I N G
G U I D E
P R O B L E M
P O S S I B L E C A U S E
P O S S I B L E S O L U T I O N
Freeze cycle is long,
Water temperature is too high
Connect a cold water supply, verify
low ice production
check valves in faucets and other
equipment are functioning correctly.
Dirty condenser
Clean condenser, see page 24.
High air temperature entering
Air temperature must not exceed
condenser
100°F (38°C) for models UC-15I and
UC-15IP, and 110°F (43°C) for models
UC-15IO and UC-15IPO.
Water filtration is poor
Replace the filter.
Water inlet valve stuck open
Turn off ice machine. If water
or leaking
continues to enter ice machine, the
water inlet valve must be replaced.
Call for service.
Water inlet valve is not working
Water inlet valve must be replaced.
Call for service.
Refrigeration problem
Call for service.
Kickplate is obstructed
Remove obstruction.
Ice quality is poor,
Ice machine is dirty
Clean and sanitize the ice machine,
cubes are shallow,
see pages 23–25.
incomplete or white
Water filtration is poor
Replace the filter.
Water softener is working
Repair the water softener.
improperly (if applicable)
Poor incoming water quality
Contact a qualified service company
to test the quality of the incoming
water and make appropriate filter
recommendations.