Samsung RF263BEAE** Service Manual page 69

French door type
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troublesHooting
5) If Ambient Sensor has trouble
ERROR Code
DATA1.
Temperature table
** Measuring point of resistance value according to
Sensor **
Ambient : CN78-"8"↔ "12" measuring resistance value
** Placed in the right top table of upper hinge.
** 0Ω: Short trouble / Ω∞: Open trouble
Refer to circuit diagram in the manual
Sensor MICOM/Connector number
Ambient Connector CN78-"8"(Yellow) to
J23 JUMMPER PCB typical Ground
Voltage measured between 4.6V ~ 0.6V.
Measuring voltage of IC01 MICOM #93
CN78-"8"(Yellow) and J23 JUMMPER from
PCB typical Ground part are similar.
→ Check the measure on the voltage of Resistance,
R315 due to the SMD MICOM
Checking method of Ambient Sensor resistance
CN78-"8"(Yellow) ↔ "12"(Yellow)
- Compare the temperature table after measurement.
Start
Start
Is
MAIN PCB Connector CN78 inserted
correctly?
YES
YES
Is
Ambient Sensor unit
normal?
YES
YES
Is the voltage between
MAIN PCB Connector CN78 "8"(Yellow)
and J23 JUMMPER normal?
YES
YES
Is the
input voltage of IC01 MICOM #93
normal?
YES
No trouble with PCB and temperature sensor
Recheck the bad contact of the connection
Checking method of Ambient Sensor voltage
- Measure the voltage of Resistance R315(IC01 MICOM #93) on
PCB or CN78-"8"(Yellow) ↔ J23 JUMMPER
- Compare the temperature table after measurement.
Measuring voltage of CN78-"8"(Yellow) ↔ J23 JUMMPER are as
below
68
NO
Bad contact of connector/ insert correctly
NO
Replace the temperature sensor
NO(0.6V > Measurement < 4.6V)
Recheck the wiring connection
NO
Check the iced-solder, solder
bridging, disturbed solder
PCB Typical Ground
J23 JUMMPER

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