I need error codes on this Samsung refrigerator model & troubleshooting guides

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① Energy Saver Key + Fridge Key are pressed simultaneously for
8 seconds, (displays are all off)
It will be changed to the test mode (manual operation) by pressing any key
1-1) If any key is pressed once in test mode, blinks “FF” on the display and it indicates the refrigerator has
entered the manual operation. At this moment, buzzer beeps as an alarm.
1-2) If any key is pressed once at the manual operation1 status, OF-r will be displayed.
FF and OF-r means manual operation 1 and 2 separately. These 2 functions operate with same RPM of
COMP.
1-3) If manual operation is selected, compressor will run at once without 7 minutes delay in any mode.
If the refrigerator is on the defrost cycle at the moment, defrost will be finished and manual operation will
begin.
(Be careful if manual operation get started at the moment of compressor off, over load could be occurred)
1-4) If manual operation works, compressor & f-fan operate continuously for 24 hours and fresh food
compartment will be controlled by the setting temperature.
1-5) When the manual operation runs, setting temperature will be selected automatically as below: freezer
compartment -8°F(-22°C), fresh food compartment 34°F(1°C).
1-6) During manual operation, Freezer Key & Power Cool function will not be work.
If a function is selected, the power function icon of the selected function will be off automatically after 10
seconds.
1-7) Manual operation can be canceled by removing power from the unit, then resupplying power.
1-8) Alarm(0.25 sec ON/ 0.75 sec OFF) will beep continuously until manual operation is completed and there is
no function to make the sound stop.
Compulsion working 1 : 3600RPM Compulsion working : 3600RPM
1) Manual operation function
①
①
4-1) Function for failure diagnosis
2-1) When you press any key one more time at Fridge off Forced Operation [OF r], rd lights up on the Display
Panel. At this time, the Forcd Operation stops immediately and R-Defrost will be performed at the same
time.
2-2) When you press any key one more time at Forced R-Defrost [rd], Fd lights up on the Display Panel. At this
time, FR-Defrost will be performed at the same time.
2-3) At this time, it will send out “Beep” sound for 2 seconds and then it will perform Forced F/R Defrost while
sending out “0.5 sec On and 0.5 sec Off” sound.
2) Forced Defrost
3-1) During the simultaneous defrosting of fresh food and freezer compartments, if the display panel change to
the test mode and test button is pressed one more time, defrosting of fresh food and freezer
compartments will be canceled and the unit will return to the normal operation.
Or, all test functions will be canceled by turning main power ON and OFF.
3) Test cancel mode
1-1) If there is no answer for 10 seconds after the panel micom received the requirement of communication,
“Pc – Er” display on the panel PCB will be ON/OFF alternately until the communication error is canceled.
(0.5 sec ALL ON, 0.5 sec ALL OFF alternately)
1-2) “Pc – Er” display on the Pantry Room Display will be ON/OFF alternately until the communication error is
canceled. (0.5 sec ALL ON, 1.5 sec ALL OFF alternately)
1) Display function when Panel ⇀ MAIN MICOM communication has error
2-1) ”OP – Er” code is repeatedly ON/OFF until Option error settles down.
4-1-3. Self-diagnostic function
1-1) Micom operates self-diagnostic function to check the temperature sensor condition within 1 second when
the refrigerator turned On initially.
1-2) If bad sensor is detected by the self-diagnostic function, the applicable display LED will blink for 0.5 sec.
At this moment, there is no beep sound.(Refer to self-diagnostic CHECK LIST)
1-3) Self-diagnostic button is recognized only when the error is displayed by the bad sensor. Display does not
operate normally but temperature control will be controlled by the emergency operation.
1-4) When the error is detected by self-diagnosis, the error can be canceled automatically if all troubled
sensors are corrected or Self-diagnostic function key (Energy Saver Key + Lighting Key ) are pressed
simultaneously for 8 seconds.
(Return to normal display mode)
② If Energy Saver Key + Lighting Key are pressed simultaneously
for 8 seconds, the error mode by self-diagnosis will be canceled
2-1) If Energy Saver Key + Lighting Key are pressed simultaneously for 6 seconds during normal operation, the
temperature setting display will operate for 2 seconds (ON/OFF 0.5sec each).
If Energy Saver Key + Lighting Key are pressed simultaneously for 8 seconds (including above 2 seconds),
self-diagnostic function will be selected.
2-2) At this moment, self-diagnostic function will be returned with buzzer sound ‘ding-dong’.
If there is an error, display of error will be operated for 30 seconds and then return to normal condition
whether problem is corrected or not.
(Refer to self-diagnosis CHECK LIST)
2-3) Input by button is not accepted during self-diagnostic function

FZ-Sensor Error
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)

When measuring the voltage between the Main
PCB CN30-“4” ↔ CN76-“1”, it should read
between 4.5V~1.0V.
FF-Sensor Error
When measuring the voltage between the Main
PCB CN30-“5” ↔ CN76-“1”, it should read
between 4.5V~1.0V.
FZ-DEF-Sensor
Error
The voltage of MAIN PCB CN30- “5”↔ N76-”1”:
shall be between 4.5V~1.0V
FF-DEF-Sensor
Error
When measuring the voltage between the Main
PCB CN30-“8” ↔ CN76-“1”, it should read
between 4.5V~1.0V.
Ambient-Sensor
Error
The voltage of MAIN PCB CN78- “8”↔ CN78-”
12”: shall be between 4.5V~1.0V
PANTRY-Sensor
Error
The voltage of MAIN PCB CN78- “9”↔ CN76-”
1”: shall be between 4.5V~1.0V
Ice Maker(F) Sensor
Error
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)
The Voltage of MAIN PCB CN90 #8#9: Shall
be between 4.5v ~ 1.0v
Humidity-Sensor
Error
Separation of sensor housing part,
contact error, disconnection, short circuit
When measuring the voltage between the Main
PCB CN30-“3” ↔ CN76-“1”, it should read
between 4.5V~1.0V.
Ice Maker(FF) Sensor
Error
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)
The voltage of MAIN PCB CN90- “1”↔ CN90-”
7”: shall be between 4.5V~1.0V
Ice Room Sensor
Error
When measuring the voltage between the Main
PCB CN78-“10” ↔ CN78-“12”, it should read
between 4.5V~1.0V.
FZ-FAN Error
Display error during operation of
applicable fan motor : Feed back signal
line contact error, motor wire separation,
motor error
The voltage of MAIN PCB CN76- “3”(Yellow) ↔
CN76-”1”(Gray): shall be between 7V~12V
FF-FAN Error
Display error during operation of
applicable fan motor : Feed back signal
line contact error, motor wire separation,
motor error
The voltage of MAIN PCB CN76- “4”(Orange)
↔ CN76-”1”(Gray): shall be between 7V~12V
C-FAN Error
Display error during operation of
applicable fan motor : Feed back signal
line contact error, motor wire separation,
motor error
The voltage of MAIN PCB CN76- “5”(Sky-blue)
↔ CN76-”1”(Gray): shall be between 7V~12V
FZ-DEF Error
Separation of freezer compartment
defrost heater housing part, contact
error, disconnection, short circuit or
temperature fuse error. Display error :
the defrosting does not finish though
freezer compartment defrost is heating
continuously for more than 80 minutes.
After separating MAIN PCB CN70 wire from
PCB, resistance value between CN70 Brown
↔ CN70 Gray shall be 63(230) ohm ±
7%.(Resistance value is varied by input power)
0 ohm : heater short, ∞ ohm : wire/bimetal
open (Must power off)
FF-DEF Error
Separation of fresh food compartment
defrost heater housing part, contact
error, disconnection, short circuit or
temperature fuse error. Display error :
the defrosting does not finish though
fresh food compartment defrost is heating
continuously for more than 80 minutes.
After separating MAIN PCB CN70 wire from
PCB, resistance value between CN70 White
↔ CN70 Gray shall be 120(440) ohm±
7%.(Resistanc e value is varied by input power)
0 ohm : heater short, ∞ ohm : wire/bimetal
open (Must power off)
Ice Maker(FZ)
Function Error
When the Freezer Ice Maker error occurs
more than 3 times, the error will be
displayed.
After replacing the Ice Maker, check if it
operates normal.
55
troubleshooting
※ R Self-diagnostics check list
LED

Flex Zone-Damper-
Heater Error”
Display error when open error is detected
by damper heater : separation of Damper
Heater housing part, contact error,
disconnection, short circuit.
After separating MAIN PCB CN77 wire from
PCB, resistance value between Black ↔ Brown
wire shall be 135 ohm± 7%.
0 ohm : heater short, ∞ Ohm : wire / bimetal
Open.
FZ-Ice Pipe Heater
Error
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.
When measuring the resistance of the Main
PCB CN79 Yellow-Pink wires, it should be
within 102Ω ±7%.
0Ω : heater short, ∞Ω : Check for Wire Open
or Connector Slip-out
Ice Maker(FF)
Function Error
Display error when open error is detected
by Heater : separation of Ice Pipe Heater
housing part, contact error, disconnection,
short circuit.
After changing the Ice Maker(R), plug the
refrigerator power code again, and check the
operation.
Ice Room-
FAN Error
Display error during operation of
applicable fan motor : Feed back signal
line contact error rnotor wire separation
motor error.
When measuring the voltage between the
Main PCB CN76-“5” ↔ CN76-“1”, it should read
between 7.0V~12V.
Panel ↔ Main
Communication Error
Display pc – Er in the panel with alarm :
MICOM MAIN ↔ PANEL communication
error.
Actually, If there is not a problem, it is desirable
to replace Main and Panel PCB With the
oscilloscope after a cable problem confirming.
FF Ice Duct Heater
Error
The Error will be displayed when the Ice
Duct Heater is detected as being open
due to the followings.
– Ice Maker Duct Heater Connector Slip-
Out, Contact Defect or Wire-Breakage
The resistance between CN79 ORG and CN51
BRN on the Main PCB shall be within 135Ω ±
7%. And, when the resistance reads 0Ω or ∞
Ω, check the followings.
0Ω : Heater Short
∞Ω : Wire-Breakage or Wire Slip-Out
FF Ice Bucket Heater
Error
The Error will be displayed when the Ice
Bucket Heater is detected as being open
due to the followings.
Ice Bucket Heater Connector Slip-Out,
Contact Defect or Wire-Breakage.
The resistance between CN79 ORG and BRN
on the Main PCB shall be within 135Ω ±7%.
And, when the resistance reads 0Ω or ∞Ω,
check the followings.
0Ω : Heater Short
∞Ω : Wire-Breakage or Wire Slip-Out
Comp starting Failure
Error
When the Compressor fails starting Check if there is a short between compressor
terminals. Check IPM Voltage [Under 13.5V]
Check if there is a short between IPM Pins
[#1~33]
IPM Fanlt Error When there is a IPM Fault error Check the Compressor and the Cycle
Comp Abnormal
current Detection
Error
When ther is abnormal crrunt detected at
the Compressor
Check the Compressor connections
Check the voltage of Resistance of R308
[0.09Ohm] Check the Compressor and the
Cycle
Motor Locked Over
RPM Error
When there is a Compressor restriction
error
Check the voltage of Resistance of R308
[Short/Open] Check the voltage of both of
C103 terminals [Unstable Voltage] Check the
Compressor and the Cycle
Comp under voltage
Error
When there is a low voltage error
Check the voltage of Resistance of R513 [Short/
Open]
Comp over voltage
Eroor
When there is a over voltage error
Check the voltage of Resistance of R501, R505,
R509 [Short/Open]
F R