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CONTENTS REMARKS
3. Ice separating (drop) mode
1) Time of each zone used to verify level switch error
2) The rotation of motor is sensed at each zone
3) In case of level switch error, ice separation is done by time.
4) If ice separating motor has error, the mode stop.
4. Water supply mode
Valve Main ON
Y
N
Start
Water (Ice) Valve ON
Water flow Pulse Count = 0
1sec passed after
water valve ON ?
Water flow Pulse > 10
Water flow Pulse spec
〉Pulse spec
Flow-Sensor Error
mode operation
water supply time
〉time spec
Valve Main OFF
Water (Ice) Valve OFF
Start
N
Y
Y
N
N
Y
Ice separating start
State of
Ice tray
level S/W
normal
level S/W
motor
revolution
level S/W
open error
Level S/W
close error
CW CCW CW STOP
12 sec
13 sec
13 sec
14 sec
1.1 sec
1.2 sec
0.2 sec1 sec
13초미만
Horizontal position
11초미만
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