DAEWOO ELECTRONICS FRN-U20BC, Service Manual

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CONTENTS REMARKS
2) With the initial power input, Ice tray turns to be horizontal and ice making
mode starts.
3) Control of water hose heater
* Heater is always ON if RT-sensor has an error or RT is below 15 degree.
* Heater is always ON for 60 minutes (max. Limit time) if Flow-sensor has
an error
4) Water supply stand-by
Condition : if ice is sensed full
Operation : proceeds to Ice making mode (Ice separating and water supply Modes stop)
5) Crusher Function
It stops operation when freezer door is open
It operates if freezer door is closed.
2 Ice making mode
START
130 min passed?
I-S＜－12.5℃
Ice saparating mode
I-S＜-9.5℃
15 min passed?
NO
NO
YES
YES
YES
NO
NO
YES
1) Ice making stops if ice-sensor is below -12.5
℃
after 130 minutes.
2) Ice making also stops if ice-sensor is below -9.5
℃
for 15 minutes, though
ice-sensor is not below -12.5
℃
after 130 minutes.
3) In case of ice sensor, ice making stops after 4.8 hours.