Manitowoc Ice CM MODEL STH003 - Manual (Page 45)

45
FREEZE CYCLE IS LONG, LOW ICE
PRODUCTION
Problem
• Cause
Water temperature is too high
• Connect to a cold water supply, verify check
valves in faucets and other equipment are
functioning correctly
Dirty Condenser
• Clean condenser
High air temperature entering condenser
• Air temperature must not exceed 120°F (39°C)
Water inlet valve filter screen is dirty
• Remove the water inlet valve and clean the filter
screen
Water inlet valve stuck open or leaking
• Turn off ice machine, if water continues to enter
ice machine, verify water pressure is ok then
replace water inlet valve
Water inlet valve is not working
• Water inlet valve must be replaced
Refrigeration problem
• Refer to refrigeration diagnostics
Water escaping from sump during freeze cycle
• Check standpipe and drain
• Check for water tracking out of water circuit