Manitowoc Ice CM MODEL STH003 User 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
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