46
Start
Explain the temperature modes.
Advise to set the temp. to
“Middle” or “LOW” mode.
N
Repair and/or Change
the R-check valve.
Change the R-sensor.
Y
N
N
Y
Check the R-sensor connection.
(Check the connector to Main PCB.)
N
Y
※
Refer to “Repair /Change
of Check Valve”.
Y
6-3-4. Excessive Refrigeration of Vegetable Case
Refrigerator temp.
mode is “HIGH” ?
R-check valve
Works OK ?
Is there any
R-sensor error code ?
R-sensor is OK ?
Summary of Contents for FRN-U20BC
Page 4: ......
Page 5: ......
Page 6: ......
Page 7: ......
Page 33: ...32 5 WIRING DIAGRAM 5 1 FRS U20IC R 134a R C Type ...
Page 34: ...33 5 2 FRN U20IC R 600a R C Type ...
Page 35: ...34 5 3 FRS U20BC R 134a R C Type ...
Page 36: ...35 5 4 FRN U20BC R 600a R C Type ...
Page 37: ...36 5 5 FRS N U20D E F G R 600a or R 134a R C Type ...
Page 68: ...67 8 5 Dispenser Water Flow ...