Manitowoc QuietQube SD0672C Technician's Handbook page 158

Freeze Cycle Discharge Pressure Low Checklist
Improper Installation
• Refer to "Installation/Visual Inspection Checklist"
page 151
Improper Refrigerant Charge
• Undercharged
• Wrong type of refrigerant
Other
• Non-Manitowoc components in system
• High side refrigerant lines/component restricted
(before mid-condenser)
• Defective head pressure control valve
• Defective fan cycle control
• Water regulating valve incorrectly set (CVD1486
only)
NOTE: Do not limit your diagnosis to only the items
listed in the checklists.
158 Part Number 80-1505-3 6/11