TROUBLESHOOTING

3) If R DEF Sensor has trouble

ERROR Code

2¢ (-17¡ ) is recommended

38¢ (3¡ ) is recommended

Start

DATA1.

Temperature table

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

R-DEF : CN30#8 CN76#1 measuring

 

resistance value

 

 

** 0 : Short trouble /

: Open trouble

 

 

 

 

Refer to circuit diagram in the manual

 

Sensor MICOM/Connector Number

 

 

 

R DEF

Connector Cn30#8(Sky-blue) to REG1

HEAT-SINK PCB common Ground

 

Voltage measured between 4.6V ~ 0.6V.

Measuring voltage of IC01 MICOM #74,

CN30-"8"(Sky-blue) and REG1, HEAT SINK from PCB typical Ground part are similar. Check the measure on the SENSOR

Is MAIN PCB

Connector CN30 to CN76 inserted

correctly?

YES

Is R DEF Sensor

unit normal?

YES

Is the voltage between

MAIN PCB Connector CN30#8(Sky-blue) and

REG1, HEAT SINK normal?

YES

Is the input voltage of IC01

MICOM #74 normal?

NO

Bad contact of connector/ insert correctly

NO

Replace the temperature sensor

NO(0.6V > Measurement < 4.6V)

Check the contact of PCB & Wire Terminal correctly.

NO

MARKING #5(R313) due to the SMD MICOM

YES

Check the iced-solder, solder bridging,

 

 

disturbed solder. Replace the PCB

No trouble with PCB and temperature sensor.

 

 

 

Recheck the bad contact of the connection.

 

 

 

 

 

Checking method of R Sensor resistance CN30#7(Sky-blue) CN76#1(Gray)

-Compare the temperature table after the measure.

Checking method of R DEF Sensor voltage

- Measure the voltage of Sensor Check Point #5(IC01 MICOM #74) or CN30#8(Sky-blue) REG1, HEAT SINK.

- Compare the temperature table after the measure. Measuring voltage of CN30#8(Sky-blue) REG1, HEAT SINK are below.

typical PCB Ground

REG1 HEAT-SINK

60

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Samsung RF267AE** If R DEF Sensor has trouble, Is the input voltage of IC01, Marking #5R313 due to the SMD Micom
Page 60 Page 62

RF267AEPN, RF267AEXAA, RF267AEWP, RF267AERS, RF26XAEXAA specifications

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