Ice Machine Cycles Into Harvest Before Water Loses Contact With The Harvest Float Switch - Koolaire KDT0300A Technician's Handbook

Ice Machine Cycles Into Harvest Before Water
Loses Contact with the Harvest Float Switch
Disconnect power to the ice machine, remove
Step 1
the electrical panel to allow viewing of the control board
lights and disconnect the harvest float switch from the
control board.
ICE THICKNESS FLOAT
SWITCH
Reapply power and move the toggle switch to
Step 2
Ice to bypass the freeze time lock-in feature. Wait until
water flows over the evaporator, then refer to chart.
Result
The harvest light does not come
on and the ice machine stays
in freeze.
10 seconds into the freeze
cycle the ice machine cycles
from freeze to harvest and
the control board harvest light
energizes.
Part Number STH063 9/17
HARVEST FLOAT SWITCH
Correction
The ice thickness float switch,
connectors or wiring are
causing the malfunction. Refer
to float switch diagnostics.
Replace the control board.
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