60 Part Number STH039 8/13
Electrical System
• Ice thickness probe out of adjustment
• Harvest cycle not initiated electrically
• Contactor not energizing
• Compressor electrically non-operational
• Restricted condenser air flow
• High inlet air temperature 43°C maximum
• Condenser discharge air re-circulation
• Dirty condenser fins
• Defective fan cycling control
• Defective fan motor
• Low water pressure 1.37 bar minimum
• High water temperature 32°C maximum
• Dirty condenser
Refrigeration System
• Non-Manitowoc components
• Improper refrigerant charge
• Defective compressor
• TXV starving or flooding (check bulb mounting)
• Non-condensable in refrigeration system
• Plugged or restricted high side refrigerant lines or
component
• Defective hot gas valve
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