TROUBLESHOOTING

6) If F DEF Sensor has trouble

ERROR Code

Start

DATA1.

Temperature table

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

F-DEF : CN30#4 CN76#1 measuring resistance

 

value

: Open trouble

** 0 : Short trouble /

 

 

 

 

Refer to circuit diagram in the manual

 

Sensor MICOM/Connector number

 

 

 

F DEF

Connector Cn30#4(Orange) to REG1

HEAT-SINK PCB common Ground

 

Voltage measured between 4.6V ~ 0.6V.

Measuring voltage of IC01 MICOM #77,

CN30-"4"(Orange) and REG1, HEAT SINK from

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

#2(R310) due to the SMD MICOM

Are MAIN PCB

NO

 

 

 

 

Connector CN30 to CN76 insert

 

 

 

 

 

 

correctly?

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

NO

Bad contact of connector/ insert correctly

 

Is F DEF Sensor

 

 

 

 

 

 

 

 

unit normal?

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace temperature sensor

 

 

 

 

 

 

 

 

 

 

 

Is the voltage between

NO(0.6V > Measurement < 4.6V)

MAIN PCB Connector CN30#4 (Orange) and

 

 

 

 

 

 

REG1, HEAT SINK normal?

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check the contact of PCB & Wire

 

 

 

Is the input voltage of

NO

Terminal correctly.

 

 

 

 

 

 

 

 

 

 

 

IC01 MICOM #77 normal?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 F DEF Sensor resistance CN30#4(Orange) CN76#1(Gray)

-Compare the temperature table after the measure.

Checking method of F DEF Sensor voltage

- Measure the voltage of Sensor Check Point #2(IC01 MICOM #77) on PCB or CN30#4(Orange) REG1, HEAT SINK

- Compare the temperature table after measurement. Measuring voltage of CN30#4(Orange) REG1, HEAT SINK are asbelow

typical PCB Ground

REG1 HEAT-SINK

63

Page 63 Page 65
Page 64
Image 64
Samsung RF26XAE**, RF267AEBP, RF267AE** If F DEF Sensor has trouble, #2R310 due to the SMD Micom, IC01 Micom #77 normal?
Page 63 Page 65

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