13-2) If There Is A Trouble With Self-Diagnosis - Samsung RB215BSSB Service Manual

Diagnostics

13-2) If there is a trouble with self-diagnosis

1) Ambient Sensor trouble =>(applied to Ambient Sensor Temp type)
Refer to Temp detechion
circuit sensor of the circuit
explanation.
Start
Is Ambient Sensor
normal?(At the top right hinge of
the refrigerator)
YES
Is MAIN PCB (CN31)
insertion normal?
YES
Is the
connection wire
between MAIN PCB
connector (CN32)and Temp
Sensor normal (at the top
right of the
door)?
YES
Is the
voltage of Ambient
Sensor �~� of MAIN PCB
Connector (CN31)
normal?
YES
Is MICOM
Pin#57 input voltage
normal? (Identical Voltage
�~� of CN31)
YES
Change PCB
56
ERROR INDICATION
NO
Change Ambient Sensor
NO
Connector contact trouble
/re-insertion
NO
Short between connector
Sensors (Check wires
according to the change
of the door opening direction)
NO (0.5V>Measured value)
Reconfirm electric wire
connect section
NO (0.5V>Measured value >4.5V)
Check soldering fault,short,
Lead Touch