DAEWOO ELECTRONICS FRN-U20IC Service Manual page 22

4-9-2. FRS(N)-U20BC Type
Temperature Control Buttons
1. How to start
1) Press "SUPER FRZ." button 5 times while pressing
"FRZ. SET" button at the same time.
2) The front LED displays as the right diagram shows
( [Ex.] Time Display of 0003 signifies 3 minutes of power on time.)
3) Press "FRZ. SET" button and the following value is displayed successively.
① Time
② F-Sensor temperature
③ D-Sensor temperature
④ R-Sensor temperature
⑤ RT-Sensor temperature
4) Error is displayed only if there is any ; it is skipped if no error.
2. How to stop
1) Push "REF. SET" button 1 time.
2) It stops automatically in 4 minutes from the start.
3. All the error codes are reset if they turn to be normal.
4. Error code
ERROR CODE
F1 F-sensor : disconnection ("Lo"), short ("Hi")
r1 R-sensor : disconnection ("Lo"), short ("Hi")
rt RT-sensor : disconnection ("Lo"), short ("Hi")
d1 D-sensor : disconnection ("Lo"), short ("Hi")
dr R-Door Switch : defective
dF F-Door Switch : defective
C1 Cycle : abnormal or defective
F3 Return after defrosting : abnormal or defective
D2 Display forced defrost mode for A/S
Super freeze
Temperature adjustment button
for freezer compartment.
INPUT
CONTENTS
CONTENTS
88 Display CLED
Temperature adjustment button
for refrigerator compartment.
21
CONTROL OBJECT
Super Cool
REMARKS