156 Part Number STH025 11/16
SYMPTOM #3 SELFCONTAINED AIR OR WATERCOOLED
YES
YES
YES
NO
NO
NO
YES
Ice Machine Will Not Harvest - Freeze Cycle is Normal and Ice Cubes are Not Melted After Harvest
Low production,
Normal fill pattern, long
harvest cycle, Possible SL #2
,
Back of cubes are not melte
d
Discharge line temperature is greater than
150°F at the end of the freeze cycle?
Refer to
Symptom #2
Freeze Cycle
Operational
Analysis Table
Is harvest valve energized?
Refer to Sequence of
Operation &
Wiring Diagrams
Is head pressure high &
suction pressure low
in harvest?
(Refer to Pressure Charts)
Replace
harvest
valve
START