64 Part Number STH063 9/17
The harvest float switch hasn’t opened for 10
continuous seconds within 4 minutes of the water
inlet valve energizing.
Possible Cause Checklist
Improper installation
• Refer to “Installation/Visual Inspection Checklist” on
page 53
Water System
• Water dump valve
• Harvest float valve dirty or defective
• Low water pressure (20 psig min.)
• Dirty defective water filter (when used)
• Loss of water from sump area
• Dirty/defective water inlet valve
Electrical System
• Water inlet valve coil defective
• Harvest float valve defective
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