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Part Number: 000015430 Rev 02 5/20 131
Refer to Sequence of
Operaon &
Wiring Diagrams
YES
YES
YES
NO
NO
NO
YES
NO
YES
Is harvest valve energized?
Is head pressure high &
sucon pressure low
in harvest?
Verify coil has power and funcons,
Replace harvest valve if coil is good
Is head pressure low &
sucon pressure low
in harvest?
Is head pressure normal &
sucon pressure normal
in harvest?
Refer to Harvest Pressure
Regulang Valve
Diagnoscs
Repeat this flowchart &
verify all data
Refer to Symptom #4 -
Will Not Harvest, Freeze
Cycle Normal & Ice Cubes are
Melted Flowchart
Single Evaporator Systems with Dual Harvest Valves: If one Harvest Vavle is open and the other is restricted / stuck closed you may have
normal harvest pressures. Look for ice not melng on one side of the evaporator.
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