Daewoo FRN-U20IE series Service Manual page 61

8-3-4. Excessive Refrigeration of Vegetable Case
Refrigerator temp.
mode is "HIGH" ?
R-check valve
Works OK ?
Is there any
R-sensor error code ?
Start
N
Y
Y
Y
N
N
R-sensor is OK ?
Y
60
Explain the temperature modes.
Advise to set the temp. to
"Middle" or "LOW" mode.
Repair and/or Change
the R-check valve.
※ Refer to "Repair /Change
of Check Valve".
N
Change the R-sensor.
Check the R-sensor connection.
(Check the connector to Main PCB.)