Daewoo FR-5101NT User manual

Service Manual
Refrigerator
Model: FR-5101NT / FR-5401NT
DAEWOO ELECTRONICS CO., LTD.
✔ Caution
: In this Manual, some parts can be changed for improving, their
performance without notice in the parts list. So, if you need the
latest parts information,please refer to PPL(Parts Price List) in
Service Information Center (http://svc.dwe.co.kr).
S/M No. :FR5101NT10

TABLE OF CONTENTS
1. EXTERNAL VIEWS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1
1-1. Name of Parts / 1
2. SPECIFICATIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -- - - - 2
2-1. Out Line / 2
2-2. Electric Parts / 3
2-3. Power Cord / 6
2-4. Door Color / 7
3. OPERATION AND FUNCTIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8
4. DIAGRAM - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 12
4-1. Wire Diagram / 12
4-2. Air Flow Diagram / 13
4-3. Refrigerant Cycle Diagram / 14
5. DISASSEMBLY AND ASSEMBLY - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 15
6. EXPLODED VIEW AND PARTS LIST - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 26
6-1. Total Exploded View / 26
6-2. Total Parts List / 27
6-3. Machine Room Exploded View And Parts List / 30
SAFETY AND PRECAUTIONS
1) For starters, be sure to check any chances of the leakage ofelectricity
2) You could handle a part in the vicinity of electricity after unplugging
3) You should put on rubber glovers to prevent an electric shock on operation test
4) Make sure the rated current, voltage, capacity before using an instrument
5) Keep your wet hands away from the metal goods in the freezer compartment
not to be frostbitten
6) Be careful not to let water to permeate the electric part in the machine room
7) with the door open during your working, you might be damaged by thatdoor
8) You should give a tilt to the refrigerator for your safe after removing the breakable
goods inside the refrigerator
9) You'd better use cotton gloves if you fix it up around the evaporator

1
1. EXTERNAL VIEWS
1-1. Name of Parts
1) FR-5101NT, 5401NT
Freezer Lamp
Freezer Shelf
Case Icing
Ice Box
Deodorant
Chilled Case
Refrigerator
Side Louver
CoverCubicDuct
Crisper Cover
Box Vegetable *L
BoxVegetable*R
Front Grille
Adjustable Foot
Pocket(B)
Pocket(B)
Pocket(A)
Egg Case
Freezer Pocker
Refrigerator
Shelf

2
2. SPECIFICATIONS
2-1. Out Line
1) FR-5101NT, 5401NT
MODEL NAME FR-5101NT FR-5401NT
Refrigerant R12 200g
R134a 170g
Cooling System Fan Cooling Convection
Refrigerant System Air Forced Convection
Defrost System Fin Evaporator Forced
Defrost Operation Automatic Start & Stop
Cold Control Adjustable Button
Capacity Freezer 119

119

Refrigerator 314

337

Total 433

456

External
Dimension Height 1761mm 1788mm
Width 769mm 769mm
Depth 724mm 724mm
Net Weight 84Kg 85Kg

3
2-2. Electric Parts
1) Compressor
 FR-5101NT, 5401NT
2) Relay Assembly
 FR-5101NT, 5401NT
3) Running Capacitor
 FR-5101NT, 5401NT
Refrigerant R12
Voltage 100V/50, 60Hz 110V/60Hz
115, 120V/60Hz
127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Comp.model
×
BL25YE-3-C
××
PL28YE-6-C
×××
Part code
×
3952125C30
××
3956128C60
×××
Strating type
×
CSR
××
RSCR
×××
Refrigerant R134a
Voltage 100V/50, 60Hz 110V/60Hz
115, 120V/60Hz
127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Comp.model
×
HBL25YG-3-C
××
HSL27YE-5-C
×
HSL27YE-5-C
←
Part code
×
3952125L3A
××
3954127L50
×
3954127L50
←
Strating type
×
CSR
××
RSIR
×
RSIR
←
Refrigerant R12
Voltage 100V/50, 60Hz 110V/60Hz
115, 120V/60Hz
127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Relay model
×
419RHBYY-52
××
213THBYY-52
×××
Part code
×
3018105673
××
3018105651
×××
Refrigerant R134a
Voltage 100V/50, 60Hz 110V/60Hz
115, 120V/60Hz
127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Relay model
×
445RHBZZ-52
××
276THBYY-52
×
276THBYY-52
←
Part code
×
3018101601
××
3018105031
×
301809901 3018105031
Refrigerant R12
Voltage 100V/50, 60Hz 110V/60Hz
115, 120V/60Hz
127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec.
×
300V/ 7

F
××
350V/5

F
×××
Part code
×
3816800400
××
400EL15110
×××
Refrigerant R134a
Voltage 100V/50, 60Hz 110V/60Hz
115, 120V/60Hz
127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec.
×
300V/ 7

F
××××××
Part code
×
3816800400
××××××

4
4) Starting Capacitor
 FR-5101NT, 5401NT
5) F-fan Motor
 FR-5101NT, 5401NT
6) R-fan Motor
 FR-5101NT, 5401NT
7) Defrost Heater
 FR-5101NT, 5401NT
Refrigerant R12
Voltage 100V/50, 60Hz 110V/60Hz
115, 120V/60Hz
127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec.
×
200V/100

F
××××××
Part code
×
40IRD35050
××××××
Refrigerant R134a
Voltage 100V/50, 60Hz 110V/60Hz
115, 120V/60Hz
127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec.
×
200V/100

F
××××××
Part code
×
401RD35050
××××××
Refrigerant R12, R134a
Voltage 100V/50, 60Hz 110V/60Hz
115, 120V/60Hz
127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec.
×
IS3211DWBFN
××
IS3211DWBFR
×
IS3211DWBFT IS3211DWBFT
Part code
×
3011800841
××
3011800931
×
3011801021 3011801021
Refrigerant R12, R134a
Voltage 100V/50, 60Hz 110V/60Hz
115, 120V/60Hz
127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec.
×
IS3211DWBFM
××
IS3211DWBFQ
×
IS3211DWBFS IS3211DWBFS
Part code
×
3011800851
××
3011800941
×
3011801031 3011801031
Refrigerant R12, R134a
Voltage 100V/50, 60Hz 110V/60Hz
115, 120V/60Hz
127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec.
×
148W
××
148W
×
148W
←
Part code
×
3012801300
××
3012801000
×
3012801000
←

5
8) Lamp Assembly
 FR-5101NT, 5401NT
9) PCB Transformer
 FR-5101NT, 5401NT
10) Main PCB Assembly
 FR-5101NT, 5401NT
11) Dryer
 FR-5101NT, 5401NT
Refrigerant R12, R134a
Voltage 110V/50, 60Hz 110V/60Hz
115, 120V/60Hz
127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec.
×
120V/15W
××
250V/15W
×
250V/15W
←
Part code
×
3013600050
××
3013600000
×
3013600000
←
Refrigerant R12, R134a
Voltage 100V/50, 60Hz 110V/60Hz
115, 120V/60Hz
127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Part code
×
3018401120
××
5EPK041000
×
3018401130 3018401140
Refrigerant R12, R134a
Voltage 100V/50, 60Hz 110V/60Hz
115, 120V/60Hz
127V/60Hz 220V/50Hz 220V/60Hz 230V/50Hz 240V/50Hz
Spec.
×
N8061
××
N8061
×
N8061
←
Part code
×
3014364022
××
3014364012
×
3014364012
←
Refrigerant R12 R134a
Spec. 10g 15g
Part code 3016800103 3016801100

6
2-3. Power Cord
1) FR-5101NT, 5401NT
NO SHAPE OF CODE PART CODE DESCRIPTION REMARK
1 3011315000 CP-2PIN FOR EUROPEAN COUNTRY
2 401RA17200 CP-2PIN FOR OTHER COUNTRY
3 4006D17101 KP-30 FOR AMERICA
4 401PD17101 KP-211 FOR JAPAN & TAIWAN
5 3011300801 BP-3PIN
6 3011303010 #267 FOR CHILE
7 3011315310 FOR ISRAEL
8 3011303050 BS-1363A FOR U.K, MIDDLE ASIA
SINGAPORE & MALAYSIA
9 3011301200 KP551/550 FOR CHINA & AUSTRALIA
Upper power cord’s part code is only for lead wire, without any kinds of terminal or housing.

7
2-4. Door Color
1) Assembly Urethan Freezer Door
 FR-5101NT
 FR-5401NT
2) Assembly Urethan Refrigerator Door
 FR-5101NT
 FR-5401NT
Refrigerant R12 R134a
Color type Dull lamina
sheet High glossy lamina sheet Normal PCM High glossy bright PCM Dull lamina sheet High glossy lamina sheet Normal PCM High glossy bright PCM
Partcode
×××
PFFT00T030
×××
PFFT00T035
Refrigerant R12 R134a
Color type Dull lamina
sheet High glossy lamina sheet Normal PCM High glossy bright PCM Dull lamina sheet High glossy lamina sheet Normal PCM High glossy bright PCM
Partcode
×××
PFFT00T060
×××
PFFT00T065
Refrigerant R12 R134a
Color type Dull lamina
sheet High glossy lamina sheet Normal PCM High glossy bright PCM Dull lamina sheet High glossy lamina sheet Normal PCM High glossy bright PCM
Partcode
×××
PFRT00T030
×××
PFRT00T035
Refrigerant R12 R134a
Color type Dull lamina
sheet High glossy lamina sheet Normal PCM High glossy bright PCM Dull lamina sheet High glossy lamina sheet Normal PCM High glossy bright PCM
Partcode
×××
PFRT00T0060
×××
PFRT00T065

8
3. OPERATION AND FUNCTIONS
NO CONTROL FUNCTION CONTROL OBJECTS CONTENTS REMARK
1 Display LED
1) Show the freezer and refrigerator temperature
range with lighting a yellow LED.
2) When choose the Quick freezing, green LED is on.
When start the Quick freezing, red LED is on.
3) When choose the Quick refrigerating, green LED
is on. When start the Quick freezing, red LED is on.
2FreezerTemp.
Control &
Quick freezing
Comp.
F-fan
LED
1) In the initial operation, the temperature of FRZ
automatically set at "2".
2) The freezer temperature range is changed by
pressing FRZ control button.
2

3

Q.F

1

2
3) The LED will twinkle during adjustment.
4) After seven times twinkle without pressing button,
set the freezer temperature range and light the
LED. without twinkle.
5) Each on/off point is compressor and Freezer fan
on/off point.
Temp
Time
Min. Mid. Max.
ON
OFF
ON/OFF
=5deg
-15.5
-20.5 -17.5
-22.5 -19.5
-24.5
2deg 2deg

9
NO CONTROL FUNCTION CONTROL OBJECTS CONTENTS REMARK
3 Refrigerator
Temperature
Control & Quick
Refrigeration
R-fan
LED 1) In the initial operation, the temperature of REF. automatically set at '2'.
2) The refrigerator temperature range is changed by
pressing REF control button.
2

3

Q.R

1

2
3) The LED will twinkle during adjustment.
4) After seven times twinkle without pressing button,
set the refrigerator temperature range and light the
LED without twinkle.
5) Each on/off point is Refrigerator fan on/off point.
4 Quick freezing Comp.
F-Fan
LED
1) The quick freezing mode works for 150 minutes.
2) When finish the quick freezing, turn to former
temperature range.
5 Quick
refrigeration Comp. R-Fan
LED
1) The quick refrigeration mode works for 40 minutes
2) The compressor and Refrigerator fan are on until
R-sensor detects over cooling temperature (-7

)
3) After reach to -7

, the refrigerator temperature
range is changed ‘3’ until time limit.
4) When finish the quick refrigeration, turn to former
temperature range.
Temp
Time
Min. Mid. Max.
ON
OFF
ON/OFF
=0.35deg
-15.5
1.0 -0.65
-1.0 -2.65
-3.0
2deg 2deg
Temp.
Time
OFF(-7)
Max. OFF
Max. ON
Min. OFF
Min. ON
Quick freezing(40min)

10
NO CONTROL FUNCTION CONTROL OBJECTS CONTENTS REMARK
6 Determination
Defrost 1) Necessary condition of determination defrost.

Accumulated compressor on time (6.8.10 hours)

Compressor operation ratio (every 2 hours)

Total time (compressor on time + compressor off
time) is 60 hours

Defrost-sensor e2. Description
2) Description

If accumulated compressor on time is more than
6 or 8 hour and compressor operation ratio is
more than 80%, then start defrost mode.

If accumulated compressor on time is more than
10 hours, then start defrost mode.

If the total time pass through 60 hours, then
start defrost mode.

If the defrost-sensor is out of order and
accumulated compressor on start defrost mode.
7 Forced defrost D-heater 1) Press the FRZ control button 5 times when press
the REF control button.
After that can start the forced defrost.
2) Forced defrost mode

The pre-cool step is omitted.

Defrost heater is on until defrost-sensor
detects 10

.

If defrost-sensor out of order then-heater is
on form 80 minutes.
8 Initial defrost D-heater
Comp.
F-fan
1) If the defrost sensor

3.5

in the initial
operation, then enter the defrost mode.
9 Compressor
restart prevent Comp. 1) After the compressor is off, the compressor is not on even though the freezer-sensor is at on point
for 6 minutes.

11
NO CONTROL FUNCTION CONTROL OBJECTS CONTENTS REMARK
10 Adjust
Refrigerator-
Sensor off point
1) When the temperature in the refrigerator room is
high (eventhough R-fan, and compressor are
operating properly), following functions are useful
for easy after sales service
2)
R25 : off point determination in normal operation
R18 : Decreases off point (1.5

) determination.
SLIDE SW1 : Slide to weaking cooling position in
order to decrease off point.
3) Resistance value
R25 : 31.4K

R18 : 2.15K

11 Adjust Freezer
Compartment
Temperature
Range
1) Press FRZ control button for more than 10 seconds.
2) Q.R LED will be lit.
3)WhenyoupresstheREF controlbutton,lightingLED
will be changed.
4) The freezer temperature range is changed as above.
5) When finish adjusting, press FRZ button for more
than 10 seconds.
Using JIG
Low cooling
R- Sensor
R25
R18 SW1
123Q.R123Q.F
+0.5+0.5+0.5-0.5-0.5-0.5-0.5
REF FRZ
INCREASE TEMPERATURE
RANGE DECREASE TEMPERATURE
RANGE

12
4. DIAGRAM
4-1. Wire Diagram
1) FR-5101NT, 5401NT
F-SENSOR OR
BL
D-SENSOR
R-SENSOR WH
GY
M-PCB
COMP RD
YW
BK
DOOR S/M
R-F/M
D-HTR
F-F/M
BL
WH
RD
BL BL WH BK
8 PIN
F-PCB
D-HTR
TEMP
FUSE
WH
GY
BK
BK
RD
BL
BR
RD F-F/M
R-F/M
BK
BK
COMPRESSOR
MA
RD
PK RD OR
RD
RD
GY
YW
YW
BL
R ROOM LAMP
P-RELAY
DR S/W
S/C R/C
F ROOM
LAMP
2134
FM
FM
PLUG
GY

13
4-2. Air Flow Diagram
1) FR-5101NT, 5401NT
Freezer poket
Please don’t put long term storing
items such as ice cream etc.
It might be melted because of
openning the door freguently
Inlet of cooling air
It should not be blocked with food
etc, as it is the inlet where cooling
air returns.
Chilled room
It is good for the storage of fishes
and meats.
Refrigerator pocket
It is good for the storage of beer
and beverage etc.
Crisper
It is suitable to store vegetable and fruit.
The moisture panel which is
attached to the cover maintains the
humidity properly.
Vegetable and fruit would be better
to be packed with clean wrap foils.
Freezer
Please don’t put bottles
such as beer, beverage etc.
It might be broken
because of freezing.
Multiple outlet ofcooling air
Please don’t put in vegetable
etc, which contain moisture.
It might be frozen because of
low temperature.
-19
-19
-19
-1~1
3~61~3
1~3
3~5

14
4-3. Refrigerant Cycle Diagram
1) FR-5101NT, 5401NT
HOTPIPE
AUX-HOTPIPE
BACK PLATE PIPE
AUX-HOT PIPE
ACCUM
CAPI TUB.
SUC-PIPE
DRYER
COMP
FINCROSS
EVA
AUX-CON PIPE
C
O
M
P
R
E
S
S
O
R
S
U
C
P
I
P
E
A
U
X

C
O
N
P
I
P
E
H
O
T
P
I
P
E
A
U
X

H
O
T
P
I
P
E
B
A
C
K
P
L
A
T
E
P
I
P
E
D
R
Y
E
R
C
A
P
I
T
U
B
E
E
V
A
P
O
R
A
T
O
R
A
C
C
U
M
U
L
A
T
O
R
COOLING PIPE

15
5. DISASSEMBLY AND ASSEMBLY
5-1. Freezer Lamp
1) FR-5101NT, 5401NT

After pressing the rear side of freeze r window,
pull forward and remove.

Replace the lamp after removing freezer window.

Remove two screws with “+” driver.
Pull foward and separate freezer-multi-duct cover (A).

Disconnect the lamp-socket assembly.

The detail part list of freezer-multi-duct cover (A)
assembly.
F WINDOW

16
5-2. Front PCB
1) FR-5101NT, 5401NT
 Check after repair 
1. In assembling F-PCB, use only specified screws.
2. Check if button operation after reassembling.
3. There should be no gap between F-Control panel
and Freezer door.
4. Use small size screw M5 x L15, when the screw
is over-spinned.
5. If the adhesive of F-Control panel name plate is
weak, change the plate for a new one.
5-3. Freezer Louver
1) FR-5101NT, 5401NT

The louver hook which has been backside of the
louver will be disassembled, if inset a screw driver
into the chilly draft blowing outlet and pull the louver.
 Check after repair 
1. Insert the bottom part of louver into the groove
which is located at rear bottom part of freezing room.
2. Assemble louver completely but there should not be
damaged the hook.
5-4. Freezer Sensor
1) FR-5101NT, 5401NT

Remove the aluminum tape from louver insulator.
Take off the freezer sensor.
PCB *F AS
PANEL *F CONTL
SCREW
(T2 FLT 4 12 MFZN)
SCREW
(T2 PEN 4 8 MFZN)
FCP
Aluminum Tape
Louver Insulator
F Sensor Fixture

17

Replacement procedure of the freezer sensor.
a.
Cut off the lead wire of old sensor and insert
the heat tube into a new sensor's lead wire.
Solder after connecting the new sensor.

The sensor's resistance maybe changed, if
you do not join with soldering.
b.
Shrink the heat tube by a cigarette lighter
after placing the heat tube connected location.
c.
Fix the freezer sensor to the fixture with
aluminum tape (width of 50mm)

Inset the assembly into the louver insulator
and fix it with aluminum tape.
5-5. Temperature Fuse
1) FR-5101NT, 5401NT

Remove the temperature fuse out of the
evaporator pipe by screw driver.

18
5-6. Defrost Heater
1) FR-5101NT, 5401NT

Unscrew the 2 screws which is securing the
evaporator.

Pullthe evaporatorpipe slightly to the arrow direction.

Move evaporator forward as the figure and make
working space to remove defrost heater which
situates under the bottom of evaporator.

This is the same removing procedure as evaporator's
However, do not remove the welded points.

Take care not to bend the pipe connected to
accumulator.

Take out the defrost heater from the heater
fixture without removing the heater cover (upper,
Lower) (Do not apply too much force on the
heater fixture)
Evaporator fastening screw
Heater cover(Lover)
Defrost heater
Lead wire Heater fixture
Heater cover(Upper)