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98 Part Number: 000015430 Rev 02 5/20
Step 2 Enter Checkmarks (√).
Each time the actual findings of an item in the
“Operational Analysis” column matches the published
findings on the table, enter a Checkmark.
Example: Freeze cycle suction pressure is determined to be
low. Enter a Checkmark in the “low” column.
Step 3 Add the Checkmarks listed under each of
the four columns. Note the column number
with the highest total and proceed to “Final
Analysis.”
NOTE: If two columns have matching high numbers,
a procedure was not performed properly, supporting
material was not analyzed correctly or the problem
component is not covered by the analysis table.
Before Beginning Service
Ice machines may experience operational problems
only during certain times of the day or night. A machine
may function properly while it is being serviced, but
malfunctions later. Information provided by the user can
help the technician start in the right direction, and may be
a determining factor in the final diagnosis.
Ask these questions before beginning service:
• When does the ice machine malfunction? (night, day,
all the time, only during the Freeze cycle, etc.)
• When do you notice low ice production? (one day a
week, every day, on weekends, etc.)
• Can you describe exactly what the ice machine seems
to be doing?
• Has anyone been working on the ice machine?
• During “store shutdown,” is the circuit breaker, water
supply or air temperature altered?
• Is there any reason why incoming water pressure
might rise or drop substantially?
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