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4-2) Step 2 : operation is to overturn tray in order to separate the ice in the ice tray where tray is overturned by
direction rotation of ice extraction motor.
-In case the storage container is full ice: if the ice extraction S/W is ON again before 3.6 seconds elapse from the
time the extraction S/W condition changed to “on off” has occurred after starting rotation of the ice extraction
motor, then this means that the storage tray is full of ice so that direction rotation of the motor is interrupted so as
to start reverse direcion rotation (horizontal movement) after waiting a second. Step 6 is executed.
- In case the storage is not full ice: if the ice extraction S/W is not ON again after 3.6 seconds from the time when
the ice extraction S/W condition changed to “on off” has occurred after starting rotation of the ice extraction
motor, then this is judged to mean that it is not full of ice, in which case normal ice extraction movement is
performed and step 3 is executed.
4-3) Step 3 : if the ice extraction S/W is not ON again after 3.6 seconds from the time when the ice extraction S/W
condition changed to on “on off” has occurred after starting rotation of the ice extraction motor, then this is
judged to mean that it is for normal ice extraction operation. If F compartment door is opened during ice extraction
operation thereafter, operation stops for a while and restarts after Door Close.
4-4) Step 4 : motor rotation stops if the ice extraction S/W turns on after 3.6 seconds have elapsed from the start of
the rotation. This point is the maximum torsion point and waits a second under this condition.
4-5) Step 5 : It is a step that ice extraction restores horizontally accomplished by reverse rotation of ice extraction
motor. So after step 4, the ice extraction motor turns in the reverse direction when the ice extraction S/W
always senses the full ice lever signal regardless of the ice existence of the ice storage container so as to
be called the "Return Pulse".
4-6) Step 6 : if the ice extraction S/W turns ON after the "Return Pulse, the reverse rotation of the ice extraction
horizontally motor stops and the ice extraction is judged to be in the horizontal position. If now it has
been restored horizontally after sensing full ice, water is not supplied but ice extraction is retried
consecutively in 1 hour intervals until full ice cancellation. So thereafter, water is supplied if normal ice
extraction has been performed.
4-7) Figure shows operation specification of ice extraction (in case of non full ice / full ice).
(bold numerals indicate relevant ice tray steps.)
OPERATING INSTRUCTIONS & INSTALLATION
Return Pulse
Ice extraction S/W
Horizontal position
Maximum torsion point
Return Pulse in case of non-full ice
: doesn`t - occur during forward direction rotation
: occurs at reverse direction rotation
(1)
(6)
(2)
(5)
(3) (4)
Reverse rotation : CCW
Forward rotation : CW
Figure - Normal ice extraction and horizontality operation (in reference to the ice extraction S/W)
2020