Daewoo FRS-U20DD Series, Service Manual

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CONTENTS REMARKS
2. Ice making mode
1) Ice making stops if ice-sensor is below -12.5C after 130 minutes.
2) Ice making also stops if ice-sensor is below -9.5C for 15 minutes, though
ice-sensor is not below -12.5C after 130 minutes.
3) In case of ice sensor, ice making stops after 4.8 hours.
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.
START
130 min passed?
I-S is over－12.5C
Ice saparating mode
I-S＜-9.5C
15 min passed?
NO
NO
YES
YES
YES
NO
NO
YES
CCW CW STOP
CW
motor
revolution
level SW
status of
ice tray
Horizontal position
Ice separation start
8~11sec
MAX
1.1sec
8.5~12.2sec 0.2sec
normal
level SW
level SW
error
1.1 sec 11 sec 12 sec