Manitowoc CVD0675, Technician Manual

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Safety Limit #1
Refer to page 134 for description.
Possible Cause Checklist
Improper Installation

Refer to “Installation/Visual Inspection Checklist”
Water System

Low water pressure (20 psig min.)

High water pressure (80 psig max.)

High water temperature (90°F/32.2°C max.)

Clogged water distribution tube

Dirty/defective water fill valve

Dirty/defective float valve

Dirty/defective water dump valve

Defective water pump

Loss of water from sump area
Electrical System

Ice thickness probe out of adjustment

Harvest cycle not initiated electrically

Contactor not energizing

Compressor electrically non-operational

High inlet air temperature (130°F/54.4°C max.)

Condenser discharge air recirculation

Defective fan cycling control

Defective fan motor

Restricted condenser air flow
Refrigeration System

Non-Manitowoc components

Improper refrigerant charge

Defective head pressure control

Defective cool vapor valve

Defective compressor

TXV starving or flooding (check bulb mounting)

Non-condensable in refrigeration system

Plugged or restricted high side refrigerant lines or
component

Restricted air flow/dirty condenser fins