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Manitowoc Ice CM MODEL STH003 User Manual

Page 45

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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