Samsung RS261MD Series - 4-12) Self-Diagnosis Error (Defective Sensor)

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4. TROUBLESHOOTING
4-12) Self-Diagnosis Error (Defective Sensor)
Compare the room temp.
with sensed temp. using
Temp-Resistance Table.
- When there is sensor error, display panel show that. When it occurs during the initial power on time, display
panel keeps blinking relevant SEG and the refrigerator go into the emergency operation mode.
- Under the emergency operation mode, the refrigerator can not do its normal operation. So check out with the
Self Diagnosis in this manual.
Start
Repair the defective contact
of the connector or insert
the connector properly
NO
YES
1) When the Ambient Sensor is defective,
MAIN PBA
connector (CN40) is inserted
properly.
Replace Thermistor
NO
YES
Ambient Temp Sensor
is ok.
Ambient-Sensor : Read
the resistance between
CN40 #1 and #2
PBA & Thermistor are ok.
Check the contact of the
connector again.
Refer to Circuit Diagram
and Temp Sensor
Troubleshooting in this
manual.
Refer to Circuit Diagram
and Temp Sensor
Troubleshooting in this
manual.
Start
Replace Thermistor
NO
YES
2) When the F-room Temp Sensor is defective (also applied to other sensors)
F-Sensor is good.
Repair the defective contact
of the connector or insert
the connector properly
NO
YES
MAIN PBA Connector
(CN40) is properly
inserted
YES
Check the circuit diagram and
correct any wrong inserted
connectors
NO
The order of
Connector(CN40) is the same
as the one in the circuit
diagram
YES
Check MAIN PBA Cold
Solder or Short
NO
The voltage between
CN40 #4 and #5 is within the
normal range.
PBA & Thermistor are good. Check the
contact of the connector again.