138 Part Number 80-1505-3 6/11
Symptom #2 Low Production, Long
Freeze Cycle
Ice Machine has a Long Freeze Cycle.
Ice Formation is Thick
or
Thin Ice Fill on Top or Bottom of Evaporator
or
Low Production
How to Use the Freeze Cycle
Refrigeration System Operational
Analysis Table
GENERAL
These tables must be used with charts, checklists and
other references to eliminate refrigeration components
not listed on the tables and external items and
problems which can cause good refrigeration
components to appear defective.
The tables list five different defects that may affect the
ice machine’s operation.
NOTE: A low-on-charge ice machine and a starving
expansion valve have very similar characteristics and
are listed under the same column.
NOTE: Before starting, see “Before Beginning
Service” page 149 for a few questions to ask when
talking to the ice machine owner.
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