136 Part Number STH025 8/12
Water System Checklist
A water-related problem often causes the same
symptoms as a refrigeration system component
malfunction.
Water system problems must be identified and
eliminated prior to replacing refrigeration components.
Water area (evaporator) is dirty
• Clean as needed
Water inlet pressure not between 20 and 80 psig
(1-5 Bar, 138-552 kPa).
• Install water regulator or increase water pressure
Incoming water temperature is not between 35°F
(2°C) and 90°F (32°C)
• If too hot, check the hot water line check valves in
other store equipment
Water filtration is plugged (if used)
• Install a new water filter
Water dump valve leaking during the Freeze cycle
• Clean/replace dump valve as needed
Vent tube is not installed on water outlet drain
• See Installation Instructions
Hoses, fittings, etc., are leaking water
• Repair/replace as needed
Water fill valve is stuck open or closed
• Clean/replace as needed
Water is leaking out of the sump trough area
• Stop the water loss
Uneven water flow across the evaporator
• Clean the ice machine
Plastic extrusions and gaskets are not secured to
the evaporator
• Remount/replace as needed
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