TROUBLESHOOTING

7) If Ice Room Sensor has trouble

ERROR Code

2¢ (-17¡ ) is recommended

38¢ (3¡ ) is recommended

DATA1.

Temperature table

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

Ambient : CN31#3 CN76#1 Measure the resistance

value

: Open trouble

** 0 : Short trouble /

 

Refer to the circuit diagram in this manual

 

Sensor MICOM/Connector number

Ice Room

Connector Cn31#3(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 #8(R308) due to the SMD MICOM

Start

Is MAIN PCB

NO

 

 

 

ConnectorCN31 and CN76

 

 

 

 

 

inserted correctly?

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

NO

Bad contact of connector/ insert correctly

 

Is Ice Room Sensor

 

 

 

 

 

 

unit normal?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

Replace temperature sensor

 

 

 

 

Is the voltage between

NO(0.6V > Measurement < 4.6V)

MAIN PCB Connector CN31#3 (Orange) and

 

 

 

 

 

REG1, HEAT SINK normal?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

Check the contact of PCB & Wire

 

 

 

 

Is the input voltage of

NO

Terminal correctly.

 

 

 

 

 

 

 

 

 

 

 

 

IC01 MICOM #71 normal?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

Check the iced-solder, solder bridging,

 

 

 

 

 

 

 

 

disturbed solder. Replace the PCB

 

No trouble with PCB and temperature sensor.

 

 

 

 

 

 

Check the bad connections.

 

 

 

 

 

 

 

 

 

 

 

 

Checking Mehod of Ice Room Sensor voltage CN31-”3”(Orange) CN76-”1” (Gray)

-Compare with the temperature table after measurement.

Checking method of Ice Room Sensor voltage

 

- Measure the voltage of Sensor Check Point #8

 

(IC01 MICOM #71) on PCB or CN31#3(Orange) REG1, HEAT SINK

typical PCB Ground

- Compare the temperature table after measurement. Measuring

voltage of CN31#3(Orange) REG1, HEAT SINK are as below

REG1 HEAT-SINK

64

Page 64 Page 66
Page 65
Image 65
Samsung RF26XAEXAA If Ice Room Sensor has trouble, Value Open trouble Short trouble, Typical Ground part are similar
Page 64 Page 66

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