Daewoo FRU-5711-FRS-U20DA Series, Service Manual, Page: 31 / 96

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CONTENTS REMARKS
3. Ice separating (drop) mode
CCW CW STOP
CW
motor
revolution
level SW
status of
ice tray
Horizontal position
Ice separation start
8~11sec
MAX1.1sec 8.5~12.2sec 0.2sec
normal
level SW
level SW
error
1.1 sec 11 sec 10 sec
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
START
Water supply valve ON
Water flow Pulse Count = 0
N
Water flow Pulse spec
〉Pulse spec
END
water supply time 〉time spec
water supply valve OFF
Y
1sec passed after
water valve ON ?
Water flow Pulse > 10
Flow-Sensor Error mode operation
Y
N
Y
Y
N
N