Samsung RFG298AARS Dokumentacja Pobierz pdf (Strona 74)

TROUBLESHOOTING

9) If Pantry Sensor has trouble

Bad contact of connector/ insert correctly

Is MAIN PCB

Connector CN30 and CN76 insert

correctly?

Is Pantry Sensor

normal?

Is the voltage between

MAIN PCB Connector CN30#9(Whiteblack)

and REG1, HEAT SINK normal?

Is the input voltage of IC01

MICOM Pin# 73 normal?

Start

YES

Replace temperature sensor

Check the contact of PCB & Wire

Terminal correctly.

NO(0.6V > Measurement < 4.6V)

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.

** Measuring point of resistance value according to

Sensor **

Pantry : CN30#9 ↔ CN76 #1 measuring resistance value

** 0Ω: Short trouble / ∞Ω: Open trouble

Sensor MICOM/Connector number

Voltage measured between 4.6V ~ 0.6V.

Measuring voltage of IC01 MICOM #73,

CN30#9(White-black) and REG1, HEAT SINK

from PCB typical Ground part are similar.

→ Check the measure on the SENSOR MARKING #6(R314)

due to the SMD MICOM

☞ Checking method of Pantry Sensor resistance

CN30#9(White-black) ↔ CN76#1(Gray)

- Compare the temperature table after measurement.

DATA1.

Temperature table

ERROR Code

Refer to circuit diagram in the manual

Pantry

Connector CN30#9(White-black) to

REG1 HEAT SINK PCB typical Ground

☞ Checking method of Pantry Sensor voltage

- Measuring voltage of Sensor Check Point #6(IC01 MICOM #73) on

PCB or CN30#9(White-black) ↔ REG1, HEAT SINK

- Compare the temperature table after measurement.

Measuring voltage of CN30#9(white-black)↔REG1, HEAT SINK are

Typical PCB Ground

REG1 Heater Sink

Start

YES

1 2 ... 69 70 71 72 73 74 75 76 77 78 79 ... 132 133

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Samsung RFG298AARS Dokumentacja Strona 74

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