Samsung RF267AEBP, RF267AE**, RF26XAERS Troubleshooting, disturbed solder. Replace the PCB

TROUBLESHOOTING

2) If R Sensor has trouble

ERROR Code

2¢ (-17¡ ) is recommended 38¢ (3¡ ) is recommended

DATA1.

Temperature table

**Measuring point of resistance value according to Sensor **

R : CN30#6 CN76#1 measuring resistance value

** 0 : Short trouble / : Open trouble

Start

Is MAIN PCB	NO
Connector CN30 to CN76 inserted
correctly?
YES	Bad contact of connector/ insert correctly
Is R Sensor	NO
unit normal?

Refer to circuit diagram in the manual

Sensor MICOM/Connector number

RConnector Cn30#6(White) to

REG1 HEAT-SINK PCB common Ground

Voltage measured between 4.6V ~ 0.6V.

Measuring voltage of IC01 MICOM #76,

CN30-"6"(White) and REG1, HEAT SINK from

PCB common Ground part are similar. Check the measure on the SENSOR MARKING

YES

Is the voltage between

MAIN PCB Connector CN30#6 (White) and

REG1, HEAT SINK normal?

YES

Is the input voltage to

IC01 MICOM #76 normal?

Replace the temperature sensor

NO(0.6V > Measurement < 4.6V)

Check the contact of PCB & Wire Terminal correctly.

NO

#3(R311) due to the SMD MICOM

YES	Check the iced-solder, solder bridging,
No trouble with PCB and temperature sensor.	disturbed solder. Replace the PCB
Recheck the bad contact of the connection.

Checking method of R Sensor resistance CN30#6(White) CN76#1(Gray) Compare the temperature table after the measure.

Checking method of R Sensor voltage

-Measure the voltage of Sensor Check Point #3(IC01

MICOM #76) or CN30#6(White) REG1, HEAT SINK. - Compare the temperature table after the measure.

Measuring voltage of CN30#6(White) REG1, HEAT SINK are below.

typical PCB Ground

REG1 HEAT-SINK

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