Daewoo FRN-U20DB series, Service Manual

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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
INPUT CONTROL OBJECT
CONTENTS REMARKS
Temperature Control Buttons 88 Display CLED
Display forced defrost mode for A/S D2
Display Full Down mode Co
Return after defrosting : abnormal or defective F3
Cycle : abnormal or defective C1
Full ice switch : error Eu
Drop the ice while Et EA
Micro switch : error ES
Water supply : error Eg
Horizontal switch : error Et
Flow sensor : defective EF
I-sensor : disconnection (“Lo”), short (“Hi”) EI
Home bar Door Switch : defective dH
F-Door Switch : defective dF
R-Door Switch : defective dr
D-sensor : disconnection (“Lo”), short (“Hi”) d1
RT-sensor : disconnection (“Lo”), short (“Hi”) rt
R-sensor : disconnection (“Lo”), short (“Hi”) r1
F-sensor : disconnection (“Lo”), short (“Hi”) F1
CONTENTS ERROR CODE
4-10-2. Dispenser Model (CLED Display of Front PCB)
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