TROUBLESHOOTING

Self-diagnostics check list

LED

Item

 

 

R-1-

Ice Maker Sensor Error

 

 

R-1-

R-Sensor Error

 

 

R-1-

R-DEF-Sensor Error

 

 

R-1-

R-FAN Error

 

 

R-1-

Ice Maker Error

 

 

R-1-

R-DEF. Error

 

 

F-1-

Ambient-Sensor Error

 

 

F-1-

F-Sensor Error

 

 

F-1-

DEF-Sensor Error

 

 

F-1-

F-FAN Error

 

 

F-1-

C-FAN Error

 

 

F-1-

Ice Room Sensor Error

 

 

F-1-

F-DEF. Error

 

 

F-10-

Ice Room-FAN Error

 

 

R-10-

Pantry-Damper-Heater Error

 

 

R-10-

Pantry-Sensor Error

 

 

R-10-

Water Tank-Heater Error

F-10-

Panel Main communication Error

 

 

Trouble contents

Diagnostic method

 

 

 

 

 

 

Display error : separation of sensor housing

When checking the voltage of MAIN PCB CN90

#8 CN90#4 : should be between 4.5V~1.0V.

part, contact error, disconnection, short

 

 

 

 

When checking the voltage of MAIN PCB

 

circuit

 

 

 

 

 

 

 

CN30#6 CN76#1: should be between 4.5V~1.0V

Display error of detecting temperature of

 

 

 

 

sensor: more than 149

(+65°C) or less

 

 

When checking the voltage of MAIN PCB

 

than -58 (-50°C)

 

CN30#8 CN76#1 : should be between 4.5V~1.0V

 

 

Display error during operation of applicable

Voltage of MAIN PCB CN76#4(Orange)

fan motor : Feed Back signal line contact

CN76#1(Gray) should be between 7V~12V

error, separation of motor wire, motor error

 

 

Display error : ice making kit is harvested

After replacing ice maker, check the operation

more than 3 times and level error

by turning the appliance ON again.

 

** Apply to the applicable Ice Maker model.

 

 

 

 

 

 

 

Display error : separation of fresh food compartment defrost heater

After separating MAIN PCB CN70,CN71 from PCB, check the resistance value

housing part, contact error, disconnection, short circuit or temperature

between CN70 White CN71 Orange should be 102(441) ohm

7%.

fuse error. Display error : the defrosting does not finish though fresh food

(resistance value is varied by the input power)

 

compartment defrost is heating continuously for more than 80 minutes.

Check 0 Ohm : heater short,

Ohm : wire / bimetal Open.

 

 

 

 

 

 

 

 

 

 

When checking the voltage of MAIN PCB

Display error : sensor housing separation,

CN31#1 #4 : should be between 4.5V~1.0V.

contact error, disconnection, short circuit

 

 

 

 

When checking the voltage of MAIN PCB

 

Display error by detecting temperature of

 

CN30#3 CN76#1: should be between 4.5V~1.0V

sensor: more than 149

(+65°C) or less

 

 

 

 

When check the voltage of MAIN PCB

 

than -58

(-50°C)

 

 

 

CN30#4 CN76#1: should be between 4.5V~1.0V

 

 

 

 

 

 

 

Display error during operation of applicable

Voltage of MAIN PCB CN76#3(Yellow)

 

fan motor : Feed Back signal line contact

CN76#1(Gray) should be between 7V~12V.

error, motor wire separation, motor error

 

 

 

 

 

Display error during operation of applicable

Voltage of MAIN PCB CN76#5(SkyBlue)

fan motor : Feed Back signal line contact

CN76#1(Gray) should be between 7V~12V.

error, motor wire separation, motor error

 

 

 

 

 

Display error : sensor housing separation,contact error,

When check the voltage of MAIN PCB

 

disconnection, short circuit.

 

 

Display error by detecting temperature of sensor: more

CN31#3 CN76#1: should be between 4.5V~1.0V

than 149

(+65°C) or less than -58 (-50°C)

 

 

Display error : separation of freezer compartment defrost heater housing

After separating MAIN PCB CN70,CN71 from PCB, check the

part , contact error, disconnection, short circuit or temperature fuse error.

resistance value between CN70 brown CN71 Orange should be

Display error : the defrosting does not finish though fresh food compartment

55(115v)ohm 7%. (resistance value is varied by input power)

compartment defrost is heating continuously for more than 70 minutes.

Check 0 Ohm : heater short,

Ohm : wire / bimetal Open.

Display error during operation of applicable fan motor :

Voltage of MAIN PCB CN76#2(Black)

 

Feed Back signal line contact error, motor wire separation,

 

motor error

 

 

 

CN75 : should be between 6V~12V.

 

 

 

Display error when open error is detected by damper

After separating MAIN PCB CN91from PCB, check the resistance

heater : separation of Damper Heater housing part,

value between Black

brown wire should be 145 ohm

7%.

contact error, disconnection, short circuit

Check 0 Ohm : heater short,

Ohm : wire / bimetal Open.

 

 

 

 

 

Display error : separation of sensor housing, contact error,

When checking the voltage of MAIN PCB

disconnection, short circuit.

 

Display error by detecting temperature of sensor: more than 149

CN30#9 CN76#1 : should be between 4.5V~1.0V.

(+65°C) or less than -58 (-50°C)

 

 

 

Display error when open error is detected by Water Tank

After separating MAIN PCB CN79 from PCB, check the resistance

Heater : separation of Water Tank Heater housing

value between Black

brown wire should be 72 ohm 7%.

part,contact error, disconnection, short circuit

Check 0 Ohm : heater short,

Ohm : wire / bimetal Open.

 

 

 

 

 

Display "oP/LC-Er" in the panel with alarm :

 

 

 

 

MICOM MAIN

LOAD communication error

Actually, it is desirable to recheck the condition with

MICOM MAIN

PANEL communication error

the oscilloscope(1G Hz) after replacing Main and

LC-Er is displayed when the Option is not

Panel PCB.

 

 

 

equivalent with the right value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Samsung RF26XAERS, RF267AEBP, RF267AE**, RF26XAEPN, RF26XAE**, RF26XAEXAA, RF267AERS, RF267AEWP Self-diagnostics check list, Led

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