Samsung RS2530BSH Service Manual page 51

TROUBLE SHOOTING
3) Freezer Temp Sensor trouble
4) Defrost Sensor trouble
Start
Is Freezer Temp Sensor
normal?
YES
Is the insertion of MAIN PCB
connector(CN30) normal?
YES
Is the connection between
MAIN PCB connector(CN30) and Temp
Sensor(yellow) normal?
YES
Is MICOM Pin#57 input
voltage normal?
YES
Change MAIN PCB
Start
Is Defrost Sensor
normal?
YES
Is MAIN PCB (CN30)
insertion normal?
YES
Is the connection wire between
MAIN PCB connector(CN30) and
Defrost Sensor (blue) normal?
YES
Is MICOM Pin#58 input
voltage normal?
YES
Change MAIN PCB
51
NO
Change Temp Sensor
NO
Connector contact trouble
/re-insertion
NO
Short between connector Sensors
NO
Check soldering fault,short,
Lead Touch
NO
Change Defrost Sensor
NO
Connector contact trouble
/re-insertion
NO
Short between connector Sensors
NO
Check soldering fault, short,
Lead Touch