Daewoo FRS-U20DD. Service Manual page 26

4-15. 'Magic Cool Zone' Compartment Function
1. R-Fan
2. Magic Cool Zone sensor
3. Select button
1. 'Select' button
1) Control the 'Magic Cool zone' temperature.
2) 4 Step mode.
Initial mode when plug in : OFF
( OFF – Vegetable – Fish – Meat – OFF )
Mode
Power Input
1 st Step
2 nd Step
3 rd Step
2. Normal Stepping motor Control ( Link with Refrigerator Fan )
Refrigerator Fan
On
Off
3. Damper heater control
1) Damper Open : Damper Heater OFF
2) Damper Close : Damper Heater ON
4. How to Check Error Mode
1) How to start : Push 'Select' button for 2 seconds.
- Initial display : Sensor temperature display ( when sensor is normal )
: 'Er' display ( in case sensor is abnormal )
- Press 'Select' button 1 time : "OP" display. ( Let the damper open )
- Press 'Select' button 1 time again : "CL" display ( Let the damper close )
2) How to stop : It stops automatically in 20 sec. from the start.
5. How to control when sensor is abnormal
- Damper open/close follow below table.
Condition
Refrigerator Fan
INPUT
Display
OFF
Vegetable
Fish -1
Meat -3
OFF
ON Close
OFF Close
CONTENTS
Damper Open / Close
Open
Degree
- -
3 9
3
1
Magic Cool Zone Damper
Always Close
Control by each mode/step
Select
Vegetable
Close
Close 2 min open when R-Fan is off
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CONTROL OBJECT
1.'Magic Cool Zone' damper
2. Damper Heater
Close
Degree
-
8
2
0
Fish Meat
Close Close
Open