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Part Number: 000015431 Rev 02 6/20 165
Harvest Cycle
QUIETQUBE® REMOTE CONDENSING UNIT
QuietQube® ice machines may fail in the harvest cycle
when the refrigerant charge and ambient temperature
create a marginal undercharge of refrigerant. The ice
machine may be able to make a full sheet of ice, but fails
in the harvest cycle when the receiver runs out of liquid
refrigerant. A E02 Long Harvest will result when the ice
machine is unable to harvest.
Undercharge Symptoms
• E01 Long Freeze or E02 Long Harvest in control board
memory, a flashing triangle alert and Long Freeze or
Long Harvest is displayed.
• Harvest cycle suction pressure is low.
• Harvest cycle discharge pressure is low.
• Liquid line entering receiver feels warm to hot in the
freeze cycle.
Overcharge Symptoms
• E02 Long Harvest in control board memory, a flashing
triangle alert and after pressing left arrow Long
Harvest is displayed.
• Harvest cycle discharge pressure is normal.
• Freeze cycle time, suction and discharge pressure are
normal and the ice machine will not harvest. The sheet
of ice cubes show little or no sign of melting when
removed from the evaporator after the harvest cycle
has been completed. (If the cubes are melted you have
a release problem, clean the ice machine.)
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