TROUBLESHOOTING

4-2-5. If defrost does not operate (F,R DEF Heater)

-If defrost has trouble, select the self-diagnostic function to detect the error of defrost heater before Power Off. (Check the function with the self-diagnostic function)

R DEF ERROR

F DEF ERROR

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

F-DEF(Ice Duct parallel) : CN70#7(Brown)

CN71#9

(Orange) measuring resistance value(55 ohm

7%)

R-DEF : CN70#5(White) N71#9(Orange)

 

measuring resistance value(110 ohm 7%)

 

** 0 : Short trouble /

: Open(bimetal, heater) trouble

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

F-DEF : CN30#4 CN76#1 measuring resistance value R-DEF : CN30#8 CN76#1 measuring resistance value

** 0 : Short trouble /

: Open trouble

Resistance value of sensor according to temperature

Start

Are the all deforst

heater normal?

Checkthebimetal,heater disconnection,wiringconnectionetc.

86

(30

)

4.22

If you need the

68

(20

)

6.05

50

(10

)

8.87

temperature with detail,

32

(0

)

13.29

refer to DATA1.

14

(-10

)

20.42

temperature

-4

(-20

)

32.23

table

-22

(-30

)

52.41

 

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

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

R-DEF : CN30#8 CN76#1 measuring resistance value ** 0V: Short trouble / 5V: Open trouble

Is defrost sensor by

self-diagnostic normal?

Is the temperature of defrost sensor lower than 53.6 (12°C)?

Manual defrosting of fresh food

and freezer compartments

operate simultaneously.

Refertoself-diagnostic function in the manual

Replacethe applicablesensor

manual operation fora certaintime

If Energy Saver + Fridge key are pressed

simultaneously for 8 seconds and select any key. 4thtest mode(manual defrosting will be operated).

Recheck the applicable

sensor.

Reference If defrost sensor temperatures of fresh food and freezer compartments are higher than 50 (10 ), 53.6 (12 ) by the heating from heater, heating would be finished and will return to cooling operation after a pause.

Checking method of F,R DEF Heater resistance value

F DEF ; CN70#7(Brown)

CN71#9(Orange)

R DEF ; CN70#5(White)

CN71#9(Orange)

- Recheck if resistance values are different after the test

1) F DEF Heater 2) R DEF Heater

Is power applied to

each defrost heaters?

Doesthesystemreturn tocoolingoperationafter heatingforspecifiedtime?

Normal

Isconnectionterminalof MAINPCBpartnormal?

Check bimetal, heater itself,

disconnection etc.

Replace failure Relay or

replace PCB ASS'Y

Repair connection terminal

71

Page 71 Page 73
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Image 72
Samsung RF26XAERS, RF267AEBP, RF267AE**, RF26XAEPN, RF26XAE**, RF267AERS If defrost does not operate F,R DEF Heater, DEF Error
Page 71 Page 73

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