114 Part Number 80-01111-9 7/10
Safety Limit #2
Harvest time exceeds 3.5 minutes for 6
Consecutive harvest cycles.
Possible Cause Checklist
Improper installation
• Refer to “Installation and Visual Inspection
Checklist” on page 104.
Water System
• Water area (evaporator) dirty
• Dirty/defective water dump valve
• Vent tube not installed on water outlet drain
• Water freezing behind evaporator
• Plastic extrusions and gaskets not securely
mounted to the evaporator
• Low water pressure (20 psig min.)
• Loss of water from sump area
• Clogged water distribution tube
• Dirty/defective float valve
• Defective water pump
Electrical system
• Ice thickness probe out of adjustment
• Ice thickness probe dirty
• Bin switch defective
• Premature harvest
Refrigeration system
• Non-Manitowoc components
• Improper refrigerant charge
• Defective hot gas valve
• TXV flooding (check bulb mounting)
• Defective fan cycling control
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