Manitowoc QY1474C User Manual

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Safety Limit #2
Refer to page 134 for description.
Possible Cause Checklist
Improper Installation
 Refer to “Installation/Visual Inspection Checklist”
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 water fill valve
 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 head pressure control valve
 Defective cool vapor valve
 TXV flooding (check bulb mounting)
 Defective fan cycling control
(CVD0675/CVD1476 do not use a fan cycle control)
 CVD1476 Only - Water inlet valve is incorrectly
adjusted or will not close during harvest cycle.

Manitowoc QY1474C Specifications

General

Brand	Manitowoc
Model	QY1474C
Category	Ice Maker
Language	English