Samsung RB215B Series Service Manual page 57

Diagnostics
2) R-Room Temp Sensor trouble
Refer to Temp detechion circuit
sensor of the circuit explanation.
3) R-Room Defrost Sensor trouble
Refer to Temp detection circuit
sensor of the circuit explanation.
Start
Is R-Room
Temp Sensor
normal?
YES
Is the
insertion of MAIN
PCB connector(CN30)
normal?
YES
Is both trminal Voltage of
MAIN PCB �~� (BLUE-BROWN)
normal?
YES
Is MICOM
Pin#51 input voltage
normal? (Identical Voltage
�~� of CN30)
YES
Change MAIN PCB
Start
Is R-Room Defrost
Sensor normal?
YES
Is MAIN PCB (CN30)
insertion normal?
YES
Is both trminal
Voltage of MAIN PCB Connector CN30 �~�
(PURPLE-BROWN) normal?
YES
Is MICOM
Pin#54 input voltage
normal? (Identical Voltage
�~� of CN30)
YES
Change MAIN PCB
57
ERROR INDICATION
NO
Change Temp Sensor
NO
Connector contact trouble
/ re-insertion
NO (0.5V>Measured value)
Reconfirm electric wire
connect section
NO
Check soldering fault,short,
Lead Touch
ERROR INDICATION
NO
Change Defrost Sensor
NO
Connector contact trouble
/ re-insertion
NO (0.5V>Measured value)
Reconfirm electric wire
connect section
NO
Check soldering fault,short,
Lead Touch