92 Part Number: 000015431 Rev01 5/19
E02 LONG HARVEST
Harvest time exceeds 7 minutes for 3 consecutive harvest
cycles.
Possible Cause Checklist
Improper Installation
• “Installation/Visual Inspection Checklist” on page 102
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
• Clogged water distribution tube
Electrical System
• Ice thickness probe out of adjustment
• Bin switch closed/defective
• Premature harvest
Refrigeration System
• Non-Manitowoc components
• Improper refrigerant charge
• Defective head pressure control valve
• Defective harvest valve
• TXV flooding (check bulb mounting)
• Defective fan cycling control