DCS RF48SS, Service Manual, Page: 35 / 74

36
Details of Self-Diagnosis Light Display by Position
No Items DISPLAY LED Trouble shooting Remarks
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R-SENSOR
R-DEFROST SENSOR
R-FAN ERROR
FRESH-SENSOR
R-DEFROST ERROR
AMBIENT TEMPERATURE SENSOR
F-SENSOR
F-DEFROST SENSOR
F-FAN ERROR
C-FAN ERROR
F-DEFROST ERROR
MAIN_LOAD ERROR
MAIN_PANEL ERROR
DAMPER HEATER ERROR
FRIDGE SEGMENT
FRIDGE SEGMENT
FREEZER SEGMENT
FREEZER SEGMENT
FREEZER SEGMENT
FREEZER SEGMENT
FREEZER SEGMENT
FREEZER SEGMENT
FREEZER SEGMENT
FREEZER SEGMENT
FRIDGE SEGMENT
FRIDGE SEGMENT
FRIDGE SEGMENT
FRIDGE SEGMENT
Sensor Housing slip-out from the
R-Room,Contact Failure,Wire Cut,Wire
Short,Defective R-Sensor.
Defrost Sensor Housing slip-out from the
evaporator of R-Room, Contact Failure,Wire
Cut, Wire Short,Defective Sensor.
Errors in operation of R-FAN
Motor,Contact failure of feedback
signal wire,no motor wire.
Fresh-Sensor Housing slip-out,Contact
Failure, Wire Cut,Wire Short,
Defective Fresh-Sensor.
R-Heater Housing slip-out,Contact Failure,Wire
Cut, Wire Short,Defective R-Heater,Defective
Defrost Temp Fuse.
Ambient Temperature Sensor Housing slip-out,
Contact Failure,Wire Cut, Wire Short,Defective
Ambient Temperature Sensor.
Sensor Housing slip-out from the F-
Room,Contact Failure,Wire Cut,Wire
Short,Defective F-Sensor.
F-Defrost Sensor slip-out from the evaporator of
the F-Room,Contact Failure, Wire Cut,Wire
Short, Defective Sensor.
Errors in operation of F-FAN
Motor,Contact failure of feedback
signal line,no motor wire,etc.
Errors in operation of C- FAN
Motor,Contact failure of feedback
signal line,no motor wire.
F-Heater Housing slip-out, contact
failure,wire cut,wire short,Defective
F-Heater,Defective Defrost Temp Fuse.
Defective Main PCB Pattern and
MICOM
Defective PCB,Housingslip-out,Contact
Failure, Wire Cut, Wire Short, Defective
MICOM.
Displaying a defect when the R-
Sensor temp is over 149
℉
(65
℃
)
or below -58 ℉ (-50 ℃ ).
Displaying a defect when the R-
Defrost Sensor temp is over 149
℉
(65 ℃ ) or below -58 ℉ (-50 ℃ ).
Displaying a defect when F.G signals
generated during operation of FAN-
Motor are not input.
Displaying a defect when the
Fresh- Sensor temp is over 149
℉
(65
℃
). or below -58
℉
(-50
℃
).
Displaying a defect when the R-
Defrost completes automatically in
50 minutes.
Displaying a defect when the Ambient
Temperature Sensor temp is over 149
℉
(65 ℃ ) or below -58 ℉ (-50 ℃ ).
Displaying a defect when the F-
Sensor temp is over 149
℉ (65 ℃ )
or below -58 ℉ (-50 ℃ ).
Displaying a defect when the temp
sensing of the F-Defrost Sensor is
over 149
℉ (65 ℃ ) or below -58 ℉ (-50 ℃ ).
Displaying a defect when the F .G
signals generated during operation
of FAN-Motor are not input.
Displaying a defect when the F .G
signals generated during operation
of FAN-Motor are not input.
Displaying a defect when
F-Defrost completes automatically
in 50 minutes.
Displaying a defect when errors
occur between main MICOM and
load MICOM
Displaying a defect when errors
occur between main MICOM and
panel MICOM
Defective PCB,Housingslip-out,Contact
Failure, Wire Cut, Wire Short, Defective
MICOM. Displaying a defect when errors
occur between main MICOM and
panel MICOM
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