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10. Operation Principle & Repair Method of ICE-MAKER
10-1) Operation Principle of ICE-MAKER
Reverse-
rotation of ice-
eject motor
ice-eject motor
stop
Wait for 1 cycle
(under -7°C)
Ice-eject step
Water supply
step
Y
Test step
Performance of motion to retain horizontal level
of ice-making dish for initial power apply or for
restoration from stoppage of electric current.
Performance of ice-separation regardless of
water supply to ice-making dish by waiting for 1
cycle.
After ice-making is finished, motion of ice-
separation from ice on dish into storage
container. Ice-separation is performed by
checking the horizontal s/w, and the signal
change of ice-inspection s/w and the changed
time. They should be checked together in parallel.
After ice-making is finished, motion to supply ice-
. making water to ice-tray using water valve.
This step means the period from when water
supply is finished to when it is judged that water
tumed into ice completely. This is judged by
parallel checkup of temperature and time.
Function for cases which are needed for forced
operation for the purpose of operation test, A/S,
and cleaning.lce-separation motion and water
supply motion are conducted continually and this
step should have priority than any other
operations.
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