Daewoo FRN-U20DAI Service Manual page 17

4-10-1. FRS(N)-U20DA (CLED Display of Front PCB)
Temperature Control Buttons
1. How to start
1) Under "LOCK" mode, press "SUPER FREEZER" button 5 times while pressing
"FREEZER SET" button at the same time.
2) The front CLED displays as the right diagram shows
( [Ex.] Time Display of 0003 signifies 3 minutes of power on time.)
3) Press "FREEZER 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
⑥ P Factor display (Refer to water supply mode of automatic icemaker)
⑦ Filter remaining time until change (First check ; 4,320Hr)
Refer to Filter Information Reset of CLED of front control panel.
4) Error is displayed only if there is any ; it is skipped if no error.
2. How to stop
1) Push "LOCK" 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
r1
rt
d1
dr
dF
dH
EI
EF
Et
Eg
ES
EA
Eu
C1
F3
Co
D2
INPUT
CONTENTS
F-sensor : disconnection ("Lo"), short ("Hi")
R-sensor : disconnection ("Lo"), short ("Hi")
RT-sensor : disconnection ("Lo"), short ("Hi")
D-sensor : disconnection ("Lo"), short ("Hi")
R-Door Switch : defective
F-Door Switch : defective
Home bar Door Switch : defective
I-sensor : disconnection ("Lo"), short ("Hi")
Flow sensor : defective
Horizontal switch : error
Water supply : error
Micro switch : error
Drop the ice while Et
Full ice switch : error
Cycle : abnormal or defective
Return after defrosting : abnormal or defective
Display Full Down mode
Display forced defrost mode for A/S
CONTENTS
16
CONTROL OBJECT
88 Display CLED
REMARKS