Page 1
Error Code
Refrigerator
1
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FDR - 3 Room - Type
A-Error Code
If "Freezer" Key + "Fridge" Key are
pressed simultaneously
for 8 seconds, the error mode by
self-diagnosis will be canceled.
E-Error Code
If Energy Saver Key + Lighting Key
are pressed simultaneously
for 8 seconds, the error mode by
self-diagnosis will be canceled.
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Code Item Check Parts Trouble contents Image-1 Image-2
Freezer Room Sensor
Error
Freezer Room Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
Fridge Room Sensor
Error
Fridge Room Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
Freezer-Defrost-Sensor
Error
Freezer-Defrost-Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
Fridge-Defrost-Sensor
Error
Fridge-Defrost-Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149℉(+65℃) or less
than -58℉(-50℃)
Ambient-Sensor Error Ambient-Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
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Ice Maker(FZ) Sensor
Error
ASSY Ice Maker(FZ)
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit Display error
of detecting temperature of sensor: more
than 149℉ (+65°C) or less than -58℉(-50°C)
Humidity-Sensor Error Humidity-Sensor
Sensor housing removal, poor contact, power
cord disconnection, short circuit or voltage
defects
are detected by the sensors. Defect is
displayed if voltage is 0.8V or lower of 4.1V
or higher.
Ice Maker (Fridge)
Sensor Error
ASSY Ice Maker (Fridge)
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149℉(+65°C) or less than
-58℉(-50°C)
Ice Room Sensor Error Ice Room Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149℉(+65°C) or less than
-58℉(-50°C)
Sparkling-Tank Temp
Sensor
Error
ASSY CASE BASKET-UP
Connector Slipped-Out or Open-Contact,
Wire Cut or Short-Circuited, Abnormal
Sensing Temp : higher than 149℉(+65℃) or
lower than -58℉(-50℃)
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Freezer Room FAN Error Freezer Room FAN BLDC
Display error during operation of applicable
fan motor : Feed back signal line contact
error, motor wire separation, motor error
Fridge Room FAN Error Fridge Room FAN BLDC
Poor contact of feedback signal line, motor
line disconnection or motor defect during
operation
of fan motor indicated as error
Condenser-FAN Error Condenser-FAN BLDC
Display error during operation of applicable
fan motor : Feed back signal line contact
error, motor wire separation, motor error
Freezer Defrosting Error
1. Freezer-Defrost-Heater
2. Freezer-Defrost Sensor
3. Main PBA
Housing removal, poor contact, power cable
disconnection, short circuit, or temperature
fuse defect
relevant to defrosting heater. Refrigerating
in wrong conditions, Freezing compartment
defrosting not
completed even upon heating continuous
for 80 min and 120min.
Fridge Defrosting Error
1. Fridge-Defrost-Heater
2. Fridge-Defrost Sensor
3. Main PBA
Housing removal, poor contact, power cable
disconnection, short circuit, or temperature
fuse defect
relevant to defrosting heater. Refrigerating
in wrong conditions, Freezing compartment
defrosting not
completed even upon heating continuous
for 80 min and 120min.
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Flex Room Damper
Heater Error
MOTOR DC-DAMPER
Damper heater housing removal, poor
contact and cable disconnection detected by
the damper heater as open error, and defects
are displayed.
Earlier restoration of
Freeze Room Defrosting
Error
1. Cooling Cycle Check
2. Freeze Defroster
Sensor
Defect is displayed if heating for Fcompartment defrosting is terminated within
5 minutes.
Earlier restoration of
Fridge Room
Defrosting Error
1. Cooling Cycle Check
2. Fridge Defroster
Sensor
Defect is displayed if heating for Rcompartment defrosting is terminated within
5 minutes.
Ice Maker(Fridge)
Function Error
1. Ice Maker(Fridge
Room)
- Heater
- Ice Water supply Line
Display error when open error is detected by
Heater : separation of Ice Pipe Heater
housing part,
contact error, disconnection, short circuit.
Ice Room-FAN Error Ice Room Fan-BLDC
Display error when the Ice Maker(FZ) kit
operate moving ice over 3 times or it is
not leveled.
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Panel PBA↔ Main PBA
Communication Error
1. Panel PBA
2. Main PBA
Display pc - Er in the panel with alarm :
MICOM MAIN ↔ PANEL communication
error.
Main PBA - Inverter PBA
Communication Error
1. Inverter PBA
2. Main PBA
Display 44Er in the panel :
Inverter MICOM ↔ Main MICOM
communication error.
Ice Room Drain Heater
Open Error
ASSY CASE-FAN AUGER
MOTOR
Connector Slipped-Out or Open-Contact,
Wire Cut or Short-Circuited, Defective
Thermistor
Ice Room Wall Heater
Open Error
Connector Slipped-Out or Open-Contact,
Wire Cut or Short-Circuited, Defective
Thermistor
Abnormal high
temperature in freezing
compartment Blinking
1. Cooling Cycle Check
If temperature in the freezing compartment
rises to abnormal level or the door is kept
for an extended period of time, the display of
the freezing compartment blinks.
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Abnormal high
temperature in cold
compartment Blinking
1. Cooling Cycle Check
If temperature in the cold compartment rises
to abnormal level or the door is kept for an
extended period of time, the display of the
cold compartment blinks.
Comp starting Failure
Error
1. Inverter PBA
Defect is displayed if the compressor startup
fails.
Comp Inveter PBA IPM
Fault Error
1. Inverter PBA
Defect is displayed upon the compressor IPM
fault error.
Compressor Abnormal
current Detection Error
1. Inverter PBA
Defect is displayed if the compressor
abnormal current is detected.
Compressor motor
Locked or Over RPM
Error
1. Inverter PBA
Defect is displayed upon the compressor
motor constraint.
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Compressor under
voltage Error
1. Inverter PBA
Defect is displayed upon the compressor low
voltage error.
Comp over voltage
Eroor
1. Inverter PBA
Defect is displayed upon the compressor
overvoltage error.
Sparkling Tank Overflow Flower Sensor
Display error when open error is detected by
sparkling tank overflow : separation of
Sparkling Tank Overflow Sensor housing part,
contact error, disconnection, short circuit.
Water Supply to
Sparkling Tank Error
Display error when open error is detected by
water supply to sparkling tank error :
seperation of Sparkling Tank Water Level
Sensor housing part, contact error,
disconnection, short circuit.
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FDR – 2 Room - Type
A-Error Code
If "Freezer" Key + "Fridge" Key are
pressed simultaneously
for 8 seconds, the error mode by
self-diagnosis will be canceled.
B-Error Code
Energy Saver Key + ALAM Key are
pressed simultaneously
for 8 seconds, the error mode by
self-diagnosis will be canceled.
E-Error Code
If Energy Saver Key + Lighting Key
are pressed simultaneously
for 8 seconds, the error mode by
self-diagnosis will be canceled.
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Code Item Check Parts Trouble contents Image-1 Image-2
Freezer Room Sensor
Error
Freezer Room Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
Fridge Room Sensor
Error
Fridge Room Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
Freezer-Defrost-Sensor
Error
Freezer-Defrost-Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
Fridge-Defrost-Sensor
Error
Fridge-Defrost-Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149℉(+65℃) or less
than -58℉(-50℃)
Ambient-Sensor Error Ambient-Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
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Pantry Room Sensor Pantry Room Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149℉(+65℃) or less
than -58℉(-50℃)
Ice Maker(FZ) Sensor
Error
ASSY Ice Maker(FZ)
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit Display error
of detecting temperature of sensor: more
than 149℉ (+65°C) or less than -58℉(-50°C)
Humidity-Sensor Error Humidity-Sensor
Sensor housing removal, poor contact, power
cord disconnection, short circuit or voltage
defects
are detected by the sensors. Defect is
displayed if voltage is 0.8V or lower of 4.1V
or higher.
Ice Maker (Fridge)
Sensor Error
ASSY Ice Maker (Fridge)
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149℉(+65°C) or less than
-58℉(-50°C)
Ice Room Sensor Error Ice Room Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149℉(+65°C) or less than
-58℉(-50°C)
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Freezer Room FAN Error Freezer Room FAN BLDC
Display error during operation of applicable
fan motor : Feed back signal line contact
error, motor wire separation, motor error
Fridge Room FAN Error Fridge Room FAN BLDC
Poor contact of feedback signal line, motor
line disconnection or motor defect during
operation
of fan motor indicated as error
Condenser-FAN Error Condenser-FAN BLDC
Display error during operation of applicable
fan motor : Feed back signal line contact
error, motor wire separation, motor error
Freezer Defrosting Error
1. Freezer-Defrost-Heater
2. Freezer-Defrost Sensor
3. Main PBA
Housing removal, poor contact, power cable
disconnection, short circuit, or temperature
fuse defect
relevant to defrosting heater. Refrigerating
in wrong conditions, Freezing compartment
defrosting not
completed even upon heating continuous
for 80 min and 120min.
Fridge Defrosting Error
1. Fridge-Defrost-Heater
2. Fridge-Defrost Sensor
3. Main PBA
Housing removal, poor contact, power cable
disconnection, short circuit, or temperature
fuse defect
relevant to defrosting heater. Refrigerating
in wrong conditions, Freezing compartment
defrosting not
completed even upon heating continuous
for 80 min and 120min.
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Ice Maker(FZ) Function
Error
Assy Ice Maker(FZ)
When the Freezer Ice Maker error occurs
more than 3 times, the error will be
displayed.
Fridge Room Damper
Heater Error
MOTOR DC-DAMPER
Damper heater housing removal, poor
contact and cable disconnection detected by
the damper heater as open error, and defects
are displayed.
Freezer-Ice Pipe Heater
Error
ASSY-PIPE WATER FRE
The error occurs when there is a wire
connector slip-out of the Water Supply Pipe
Heater, a contact error or a breakage in the
wiring.
Earlier restoration of
Freeze Room Defrosting
Error
1. Cooling Cycle Check
2. Freeze Defroster
Sensor
Defect is displayed if heating for Fcompartment defrosting is terminated within
5 minutes.
Earlier restoration of
Fridge Room
Defrosting Error
1. Cooling Cycle Check
2. Fridge Defroster
Sensor
Defect is displayed if heating for Rcompartment defrosting is terminated within
5 minutes.
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Ice Maker(FF) Function
Error
Ice Maker(Fridge Room)
Function Error
Display error when open error is detected by
Heater : separation of Ice Pipe Heater
housing part,
contact error, disconnection, short circuit.
Ice Room-FAN Error Ice Room Fan-BLDC
Display error when the Ice Maker(Fridge) kit
operate moving ice over 3 times or it is
not leveled.
Panel PBA↔ Main PBA
Communication Error
1. Panel PBA
2. Main PBA
Display pc - Er in the panel with alarm :
MICOM MAIN ↔ PANEL communication
error.
Main PBA - Inverter PBA
Communication Error
1. Inverter PBA
2. Main PBA
Display 44Er in the panel :
Inverter MICOM ↔ Main MICOM
communication error.
Ice Room Drain Heater
Open Error
Auger motor
Display error when open error is detected by
ice Maker drain duct heater : separation of
Ice Duct Heater housing part, contact error,
disconnection, short circuit.
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Ice Room Wall Heater
Open Error
Ice Room Wall Heater
Connector Slipped-Out or Open-Contact,
Wire Cut or Short-Circuited, Defective
Thermistor
Abnormal high
temperature in freezing
compartment Blinking
1. Cooling Cycle Check
If temperature in the freezing compartment
rises to abnormal level or the door is kept
for an extended period of time, the display of
the freezing compartment blinks.
Abnormal high
temperature in cold
compartment Blinking
1. Cooling Cycle Check
If temperature in the cold compartment rises
to abnormal level or the door is kept for an
extended period of time, the display of the
cold compartment blinks.
Comp starting Failure
Error
1. Inverter PBA
Defect is displayed if the compressor startup
fails.
Comp Inveter PBA IPM
Fault Error
1. Inverter PBA
Defect is displayed upon the compressor IPM
fault error.
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Compressor Abnormal
current Detection Error
1. Inverter PBA
Defect is displayed if the compressor
abnormal current is detected.
Compressor motor
Locked or Over RPM
Error
1. Inverter PBA
Defect is displayed upon the compressor
motor constraint.
Compressor under
voltage Error
1. Inverter PBA
Defect is displayed upon the compressor low
voltage error.
Comp over voltage
Eroor
1. Inverter PBA
Defect is displayed upon the compressor
overvoltage error.
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4 Door - Type
C-Error Code
If Freezer + Control Lock are pressed
simultaneously
for 8 seconds, the error mode by
self-diagnosis will be canceled.
F-Error Code
If CoolSelect+ Key + Energy Saver
are pressed simultaneously
for 8 seconds, the error mode by
self-diagnosis will be canceled.
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LED Item Check Parts Trouble contents Image-1 Image-2
Freezer Room Sensor
Error
Freezer Room Sensor
The sensor housing separating, incomplete
contact, open-circuited wire, short-circuit and
abnormal temperature errors are displayed
when the temperature measured by the
sensor is +50 ℃ or higher or -50 ℃ or lower.
Fridge Room Sensor
Error
Fridge Room Sensor
The sensor housing separating, incomplete
contact, open-circuited wire, short-circuit and
abnormal temperature errors are displayed
when the temperature measured by the
sensor is +50 ℃ or higher or -50 ℃ or lower.
Freezer-DEF-Sensor
Error
Freezer-DEF-Sensor
The sensor housing separating, incomplete
contact, open-circuited wire, short-circuit and
abnormal temperature errors are displayed
when the temperature measured by the
sensor is +50 ℃ or higher or -50 ℃ or lower.
Fridge-DEF-Sensor Error Fridge-DEF-Sensor
The sensor housing separating, incomplete
contact, open-circuited wire, short-circuit and
abnormal temperature errors are displayed
when the temperature measured by the
sensor is +50 ℃ or higher or -50 ℃ or lower.
Ambient-Sensor Error Ambient-Sensor
The sensor housing separating, incomplete
contact, open-circuited wire, short-circuit and
abnormal temperature errors are displayed
when the temperature measured by the
sensor is +50 ℃ or higher or -50 ℃ or lower.
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Pantry Room Sensor
Error
Pantry Room Sensor
The sensor housing separating, incomplete
contact, open-circuited wire, short-circuit and
abnormal temperature errors are displayed
when the temperature measured by the
sensor is +50 ℃ or higher or -50 ℃ or lower.
Cool Select Room
sensor Error
Cool Select Room Sensor
The sensor housing separating, incomplete
contact, open-circuited wire, short-circuit and
abnormal temperature errors are displayed
when the temperature measured by the
sensor is +50 ℃ or higher or -50 ℃ or lower.
Cool Select Room-DEF
sensor Error
Cool Select Room DEFSensor
The sensor housing separating, incomplete
contact, open-circuited wire, short-circuit and
abnormal temperature errors are displayed
when the temperature measured by the
sensor is +50 ℃ or higher or -50 ℃ or lower.
Humidity-Sensor Error Humidity-Sensor
This error is displayed while the
corresponding fan motor is operating and a
feedback signal line contact error, motor
wire separation or motor error occurs.
Ice Maker (Fridge)
Sensor Error
ASSY Ice Maker (Fridge)
Connector Slipped-Out or Open-Contact,
Wire Cut or Short-Circuited, Abnormal
Sensing Temp : higher than 149℉(+65℃) or
lower than -58℉(-50℃)
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Ice Room Sensor Error Ice Room Sensor
Connector Slipped-Out or Open-Contact,
Wire Cut or Short-Circuited, Abnormal
Sensing Temp : higher than 149℉(+65℃) or
lower than -58℉(-50℃)
Fridge Room humidity
sensor Error
Fridge Room humidity
sensor
This error is displayed while the
corresponding fan motor is operating and a
feedback signal line contact error, motor
wire separation or motor error occurs.
Sparkling-Tank Temp
Sensor
Error
ASSY CASE BASKET-UP
Connector Slipped-Out or Open-Contact,
Wire Cut or Short-Circuited, Abnormal
Sensing Temp : higher than 149℉(+65℃) or
lower than -58℉(-50℃)
Freezer Room FAN Error Freezer Room FAN BLDC
The error is displayed while the
corresponding fan motor is operating and a
feedback signal line contact error, motor
wire separation or motor error occurs.
Fridge Room FAN Error Fridge Room FAN BLDC
The error is displayed while the
corresponding fan motor is operating and a
feedback signal line contact error, motor
wire separation or motor error occurs.
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Condenser-FAN Error Condenser-FAN BLDC
The error is displayed while the
corresponding fan motor is operating and a
feedback signal line contact error, motor
wire separation or motor error occurs.
Freezer Defrosting Error
1. Freezer-DEF-Heater
2. Freezer-Defrost Sensor
3. Main PBA
The separation of the freezer compartment
defrosting heater housing part, contact error,
disconnection, short circuit or temperature
fuse error. One of these error codes is
displayed if the defrosting operation of the
freezer or Cool Select Room does not finish
even after the continuous heating operation
has been performed for 120 minutes.
Cool Select Room
defrosting Error
1. CF-DEF-Heater
2. Freezer-Defrost Sensor
3. Main PBA
The separation of the freezer compartment
defrosting heater housing part, contact error,
disconnection, short circuit or temperature
fuse error. One of these error codes is
displayed if the defrosting operation of the
freezer or Cool Select Room does not finish
even after the continuous heating operation
has been performed for 120 minutes.
Cool Select Room Fan
Error
One of these error codes is displayed in case
of the feedback signal line contact error, the
motor wire separation or the motor error
when the fan motor starts to run.
Earlier restoration of
Freezer Room
Defrosting Error
Cooling System check
Defect is displayed if heating for Freezer
Room defrosting is terminated within 5
minutes.
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Earlier restoration of
Cool Select Room
Defrosting Error
Cooling System check
Defect is displayed if heating for Cool Select
Room defrosting is terminated within 5
minutes.
Ice Maker (Fridge)
Function Error
ASSY Ice Maker (Fridge)
It occurs when there is a defect in removing
ice cubes or in making it paralleled [ When
there is an error while doing self-diagnosis of
the Initial Motor Rotation.]
Ice Room-FAN Error
ASSY CASE-FAN AUGER
MOTOR
When the related Fan Motor operates, it
occurs if the contact of the Feed Back Signal
Wire is defective, the Motor Wire is slipped
out or the Motor is defective.
Panel PBA↔ Main PBA
Communication Error
1. Panel PBA
2. Main PBA
A communications error between the Main
and the Panel PCBs
Main PBA - Inverter
PBA
Communication Error
1. Inverter PBA
2. Main PBA
Display 44E in the panel :
F Comp. Inverter MICOM ↔ Main MICOM
communication error.
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Main – R Comp.
Inverter
Communication Error
Inverter PBA
Display 45E in the panel :
R Comp. Inverter MICOM ↔ Main MICOM
communication error.
Main↔Dispenser Panel
Error
Panel PBA
A communications error between the Main
and the Dispenser Panel PCBs
Ice Room Drain Heater
Open Error
ASSY CASE-FAN AUGER
MOTOR
Connector Slipped-Out or Open-Contact,
Wire Cut or Short-Circuited, Defective
Thermistor
Chef Pantry Fan Error Fan BLDC
The error is displayed while the
corresponding fan motor is operating and a
feedback signal line contact error, motor
wire separation or motor error occurs
Ice Room Wall Heater
Open Error
Connector Slipped-Out or Open-Contact,
Wire Cut or Short-Circuited, Defective
Thermistor
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Door Handle Heater
Error
Door Heater Door Handle Heater Open Error
Abnormal high
temperature in freezing
compartment Blinking
1. Cooling Cycle Check
When the freezer temperature is abnormally
high or the freezer door is open for a certain
period of time and the freezer temperature
increases, the freezer display blinks.
Abnormal high
temperature in fridge
compartment Blinking
1. Cooling Cycle Check
When the freezer temperature is abnormally
high or the fridge door is open for a certain
period of time and the fridge temperature
increases, the fridge display blinks.
Abnormal high
temperature in cool
select room
compartment Blinking
1. Cooling Cycle Check
When the freezer temperature is abnormally
high or the freezer door is open for a certain
period of time and the fridge temperature
increases, the cool select display blinks.
F Comp start failure
error
Inverter PBA
The error code is displayed when the
compressor has failed to start.
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F Comp Inveter PBA
IPM Fault Error
Inverter PBA
The error code is displayed when the
compressor IPM fault error has occurred.
F Compressor Abnormal
current Detection Error
Inverter PBA
The error code is displayed when the
compressor location detection failed.
F Compressor motor
Locked or Over RPM
Error
Inverter PBA
The error code is displayed when the
compressor motor is constrained.
F Compressor under
voltage Error
Inverter PBA
The error code is displayed when the AC
Input Voltage is too low.
F Comp over voltage
Eroor
Inverter PBA
The error code is displayed when the AC
Input Voltage is too high.
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R Comp starting Failure
Error
Inverter PBA
The error code is displayed when the
compressor has failed to start.
R Comp Inveter PBA
IPM Fault Error
Inverter PBA
The error code is displayed when the
compressor IPM fault error has occurred.
R Compressor
Abnormal current
Detection Error
Inverter PBA
This error code is displayed when an
abnormal current is detected in the
compressor.
R Compressor motor
Locked or Over RPM
Error
Inverter PBA
The error code is displayed when the
compressor motor is constrained.
R Compressor under
voltage Error
Inverter PBA
The error code is displayed when the AC
Input Voltage is too low.
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R Comp over voltage
Eroor
Inverter PBA
The error code is displayed when the AC
Input Voltage is too high.
Sparkling Tank
Overflow
Flower Sensor
Display error when open error is detected by
sparkling tank overflow : separation of
Sparkling Tank Overflow Sensor housing part,
contact error, disconnection, short circuit.
Water Supply to
Sparkling Tank Error
Display error when open error is detected by
water supply to sparkling tank error :
seperation of Sparkling Tank Water Level
Sensor housing part, contact error,
disconnection, short circuit.
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FDR - Type
A-Error Code
If Power Freeze Key + Power Cool Key
are pressed simultaneously for 8
seconds,
the error mode by self-diagnosis will be
canceled.
B-Error Code
(Page 30~35)
(Page 36~37)
If Ice Off+Aram or Energy Key are
pressed simultaneously for 8 seconds,
the error mode by self-diagnosis will be
canceled.
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Code Item Check Parts Trouble contents Image-1 Image-2
Freezer Room Sensor
Error
Freezer Room Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
Fridge Room Sensor
Error
Fridge Room Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
Freezer-Defrost-Sensor
Error
Freezer-Defrost-Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
Fridge-Defrost-Sensor
Error
Fridge-Defrost-Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149℉(+65℃) or less
than -58℉(-50℃)
Ambient-Sensor Error Ambient-Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
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Pantry Room Sensor Pantry Room Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149℉(+65℃) or less
than -58℉(-50℃)
Ice Maker(FZ) Sensor
Error
ASSY Ice Maker(FZ)
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit Display error
of detecting temperature of sensor: more
than 149℉ (+65°C) or less than -58℉(-50°C)
Humidity-Sensor Error Humidity-Sensor
Sensor housing removal, poor contact, power
cord disconnection, short circuit or voltage
defects
are detected by the sensors. Defect is
displayed if voltage is 0.8V or lower of 4.1V
or higher.
Freezer Room FAN Error Freezer Room FAN BLDC
Display error during operation of applicable
fan motor : Feed back signal line contact
error, motor wire separation, motor error
Fridge Room FAN Error Fridge Room FAN BLDC
Poor contact of feedback signal line, motor
line disconnection or motor defect during
operation
of fan motor indicated as error
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Condenser-FAN Error Condenser-FAN BLDC
Display error during operation of applicable
fan motor : Feed back signal line contact
error, motor wire separation, motor error
Freezer Defrosting Error
1. Freezer-Defrost-Heater
2. Freezer-Defrost Sensor
3. Main PBA
Housing removal, poor contact, power cable
disconnection, short circuit, or temperature
fuse defect
relevant to defrosting heater. Refrigerating
in wrong conditions, Freezing compartment
defrosting not
completed even upon heating continuous
for 80 min and 120min.
Fridge Defrosting Error
1. Fridge-Defrost-Heater
2. Fridge-Defrost Sensor
3. Main PBA
Housing removal, poor contact, power cable
disconnection, short circuit, or temperature
fuse defect
relevant to defrosting heater. Refrigerating
in wrong conditions, Freezing compartment
defrosting not
completed even upon heating continuous
for 80 min and 120min.
Ice Maker(FZ) Function
Error
Assy Ice Maker(FZ)
When the Freezer Ice Maker error occurs
more than 3 times, the error will be
displayed.
Fridge Room Damper
Heater Error
MOTOR DC-DAMPER
Damper heater housing removal, poor
contact and cable disconnection detected by
the damper heater as open error, and defects
are displayed.
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Freezer-Ice Pipe Heater
Error
ASSY-PIPE WATER FRE
The error occurs when there is a wire
connector slip-out of the Water Supply Pipe
Heater, a contact error or a breakage in the
wiring.
Earlier restoration of
Freeze Room Defrosting
Error
1. Cooling Cycle Check
2. Freeze Defroster
Sensor
Defect is displayed if heating for Fcompartment defrosting is terminated within
5 minutes.
Earlier restoration of
Fridge Room
Defrosting Error
1. Cooling Cycle Check
2. Fridge Defroster
Sensor
Defect is displayed if heating for Rcompartment defrosting is terminated within
5 minutes.
Panel PBA↔ Main PBA
Communication Error
1. Panel PBA
2. Main PBA
Display pc - Er in the panel with alarm :
MICOM MAIN ↔ PANEL communication
error.
Main PBA - Inverter
PBA
Communication Error
1. Inverter PBA
2. Main PBA
Display 44Er in the panel :
Inverter MICOM ↔ Main MICOM
communication error.
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Abnormal high
temperature in freezing
compartment Blinking
1. Cooling Cycle Check
If temperature in the freezing compartment
rises to abnormal level or the door is kept
for an extended period of time, the display
of the freezing compartment blinks.
Abnormal high
temperature in cold
compartment Blinking
1. Cooling Cycle Check
If temperature in the cold compartment rises
to abnormal level or the door is kept for an
extended period of time, the display of the
cold compartment blinks.
Comp starting Failure
Error
1. Inverter PBA
Defect is displayed if the compressor startup
fails.
Comp Inveter PBA IPM
Fault Error
1. Inverter PBA
Defect is displayed upon the compressor IPM
fault error.
Compressor Abnormal
current Detection Error
1. Inverter PBA
Defect is displayed if the compressor
abnormal current is detected.
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Compressor motor
Locked or Over RPM
Error
1. Inverter PBA
Defect is displayed upon the compressor
motor constraint.
Compressor under
voltage Error
1. Inverter PBA
Defect is displayed upon the compressor low
voltage error.
Comp over voltage
Eroor
1. Inverter PBA
Defect is displayed upon the compressor
overvoltage error.
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Code Item Check Parts Trouble contents Image-1 Image-2
Left-Display-①
Ambient-Sensor Error Ambient-Sensor
Display error : In case of separation of sensor
housing parts, contact error, disconnection,
short circuit.
Display error by temperature : When the
sensing temperature is more than 65℃
(149℉) or less than -50℃(-58℉).
Left-Display-②
Freezer Room Sensor
Error
Freezer Room Sensor
Display error : In case of separation of sensor
housing parts, contact error, disconnection,
short circuit.
Display error by temperature : When the
sensing temperature is more than 65℃
(149℉) or less than -50℃(-58℉).
Left-Display-③
Freezer-DEF-Sensor
Error
Freezer-DEF-Sensor
Display error : In case of separation of sensor
housing parts, contact error, disconnection,
short circuit.
Display error by temperature : When the
sensing temperature is more than 65℃
(149℉) or less than -50℃(-58℉).
Left-Display-④
Freezer Room FAN Error Freezer Room FAN BLDC
Display error : In case of Feed Back signal
Line contact error, separation of motor wire,
Motor itself error during operation of
applicable fan motor.
Left-Display-⑤
Condenser-FAN Error Condenser-FAN BLDC
Display error : In case of Feed Back signal
Line contact error, separation of motor wire,
motor itself error during operation of
applicable fan motor.
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Left-Display-⑥
Humidity-Sensor Error Humidity-Sensor
Separation of sensor
housing part, contact error,
disconnection, short circuit
Left-Display-⑦
Freezer Defrosting Error
1. Freezer-DEF-Heater
2. Freezer-Defrost Sensor
3. Main PBA
Display error : In case of separation of
defrost heater housing, contact error,
disconnection, short circuit or temperature
fuse error.
Display error : If defrost does not finish
though the defrost of freeze compartment is
heating continuously for more than 70
minutes.
Right-Display-①
Ice Maker(FZ) Sensor
Error
Assy Ice Maker
Display error : In case of Separation of sensor
housing part, contact error, disconnection,
short circuit.
Display error by temperature : when the
sensing temperature is more than 65℃
(149℉) or less than -50℃(-58℉).
Right-Display-③
Compressor Error Inverter PBA
Check if there is a short between compressor
terminals.
Check if there is a short between IPM Pins.
Check the Compressor and the Cycle Turn
Off the Ref. , after 5minutes, Turn on the Ref.
Right-Display-④
Fridge Room Sensor
Error
Fridge Room Sensor
Display error : In case of separation of sensor
housing parts, contact error, disconnection,
short circuit.
Display error by temperature : When the
sensing temperature is more than 65℃
(149℉) or less than -50℃(-58℉).
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SBS - Type
A-Error Code
(Page 39~44)
If "Freezer" Key + "Fridge" Key are
pressed simultaneously
for 8 seconds, the error mode by selfdiagnosis will be canceled.
B-Error Code
(Page 45~47)
If Energy Saver Key + Lighting Key are
pressed simultaneously
for 8 seconds, the error mode by selfdiagnosis will be canceled.
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Code Item Check Parts Trouble contents Image-1 Image-2
Freezer Room Sensor
Error
Freezer Room Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
Fridge Room Sensor
Error
Fridge Room Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
Freezer-DEF-Sensor
Error
Freezer-DEF-Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
Fridge-DEF-Sensor Error Fridge-DEF-Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149℉(+65℃) or less
than -58℉(-50℃)
Ambient-Sensor Error Ambient-Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149°F(+65°C) or less than
-58°F(-50°C)
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Cool Select Room
Sensor Error
Flex Room Sensor
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149℉(+65℃) or less
than -58℉(-50℃)
Ice Maker(FZ) Sensor
Error
ASSY Ice Maker(FZ)
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit Display error
of detecting temperature of sensor: more
than 149℉ (+65°C) or less than -58℉(-50°C)
Humidity-Sensor Error Humidity-Sensor
Sensor housing removal, poor contact, power
cord disconnection, short circuit or voltage
defects
are detected by the sensors. Defect is
displayed if voltage is 0.8V or lower of 4.1V
or higher.
Freezer Room FAN Error Freezer Room FAN BLDC
Display error during operation of applicable
fan motor : Feed back signal line contact
error, motor wire separation, motor error
Fridge Room FAN Error Fridge Room FAN BLDC
Poor contact of feedback signal line, motor
line disconnection or motor defect during
operation
of fan motor indicated as error
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Condenser-FAN Error Condenser-FAN BLDC
Display error during operation of applicable
fan motor : Feed back signal line contact
error, motor wire separation, motor error
Freezer Defrosting Error
1. Freezer-DEF-Heater
2. Freezer-Defrost Sensor
3. Main PBA
Housing removal, poor contact, power cable
disconnection, short circuit, or temperature
fuse defect
relevant to defrosting heater. Refrigerating
in wrong conditions, Freezing compartment
defrosting not
completed even upon heating continuous
for 80 min and 120min.
Fridge Defrosting Error
1. Fridge-DEF-Heater
2. Fridge-Defrost Sensor
3. Main PBA
Housing removal, poor contact, power cable
disconnection, short circuit, or temperature
fuse defect
relevant to defrosting heater. Refrigerating
in wrong conditions, Freezing compartment
defrosting not
completed even upon heating continuous
for 80 min and 120min.
Ice Maker(FZ) Function
Error
Assy Ice Maker(FZ)
When the Freezer Ice Maker error occurs
more than 3 times, the error will be
displayed.
Fridge Roome Damper
Heater Error
MOTOR DC-DAMPER
Damper heater housing removal, poor
contact and cable disconnection detected by
the damper heater as open error, and defects
are displayed.
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Fridge Room Water
Tank Heater Error
Water Tank Heater Open
Water Tank heater housing removal, poor
contact and cable disconnection detected by
the damper heater as open error, and defects
are displayed.
Panel PBA↔ Main PBA
Communication Error
1. Panel PBA
2. Main PBA
Display pc - Er in the panel with alarm :
MICOM MAIN ↔ PANEL communication
error.
Main PBA - Inverter
PBA
Communication Error
1. Inverter PBA
2. Main PBA
Display 44Er in the panel :
Inverter MICOM ↔ Main MICOM
communication error.
Abnormal high
temperature in freezing
compartment Blinking
1. Cooling Cycle Check
If temperature in the freezing compartment
rises to abnormal level or the door is kept
for an extended period of time, the display
of the freezing compartment blinks.
Abnormal high
temperature in cold
compartment Blinking
1. Cooling Cycle Check
If temperature in the cold compartment rises
to abnormal level or the door is kept for an
extended period of time, the display of the
cold compartment blinks.
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Comp starting Failure
Error
1. Inverter PBA
Defect is displayed if the compressor startup
fails.
Comp Inveter PBA IPM
Fault Error
1. Inverter PBA
Defect is displayed upon the compressor IPM
fault error.
Compressor Abnormal
current Detection Error
1. Inverter PBA
Defect is displayed if the compressor
abnormal current is detected.
Compressor motor
Locked or Over RPM
Error
1. Inverter PBA
Defect is displayed upon the compressor
motor constraint.
Compressor under
voltage Error
1. Inverter PBA
Defect is displayed upon the compressor low
voltage error.
43
Page 44
Comp over voltage
Eroor
1. Inverter PBA
Defect is displayed upon the compressor
overvoltage error.
44
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Code Item Check Parts Trouble contents Image-1 Image-2
Left-Display-①
Ambient-Sensor Error Ambient-Sensor
Air sensor connector missing ; contact
failure, electric wire cut, short-circuit; open
air sensor itself failure; and so on
Left-Display-②
Freezer Room Sensor
Error
Freezer Room Sensor
Freezer sensor connector missing ; contact
failed, electric wire cut, shortcircuit ; Freezer
Room sensor itself failure
Left-Display-③
Freezer-Defrost-Sensor
Error
Freezer-DEF-Sensor
Freezer evaporator defrosting sensor
connector missing; contact failed, electric
wire cut, shortcircuit ; sensor itself failure ;
and so on
Left-Display-④
Freezer Room FAN Error Freezer Room FAN BLDC
Freezer Fan motor operation failure; feedback
signal line contact failure, motor’s electric
wire missing; and so on.
Left-Display-⑤
Condenser-FAN Error Condenser-FAN BLDC
Condenser Fan motor operation failure;
feedback signal line contact failure, motor’s
electric wire missing; and so on.
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Left-Display-⑦
Freezer Defrosting Error
1. Freezer-DEF-Heater
2. Freezer-Defrost Sensor
3. Main PBA
In the freezer room, if frost removal mode is
finished due to limited time of 70 minutes.
Error is displayed
Right-Display-①
Ice Maker (Fridge)
Sensor Error
ASSY Ice Maker (Fridge)
Display error : separation of sensor housing
part, contact error, disconnection, short
circuit.
Display error of detecting temperature of
sensor : more than 149℉(+65°C) or less than
-58℉(-50°C)
Right-Display-③
Compressor Error Inverter PBA When there is a Compressor restriction error
Right-Display-④
Fridge Room Sensor
Error
Fridge Room Sensor
Refrigerator sensor connector missing ;
contact failure, electric wire cut, short-circuit
; Refrigeratorsensor itself failure; and so on
Right-Display-⑤
Fridge Room Damper
Heater Error
MOTOR DC-DAMPER
Damper Heater is sensed as open error due
to Connector Slipped-Out or Open-Contact,
Wire Cut.
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Right-Display-⑦
Ice Maker(FZ) Function
Error
Assy Ice Maker
Ice-ejector and level failed three times or
more
47
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