Samsung RL44Q Series User manual

BOTTOM MOUNTED FREEZER TYPE
BASIC MODEL : RL44Q*
MODEL NAME :
RL44Q*/E*/S*/W*/F*/P*
RL41H*/E*/S*/W*/P*
RL38H*/E*/S*
REFRIGERATOR
REFRIGERATOR PRODUCT FEATURE
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● High Efficiency A+
● Easy Open Handle
● CoolSelect ZoneTM
● Digital Temperature Display
RL44Q/F
RL41/38H
RL44/41/38E
RL44/41W
RL44/41P
RL44/41/38S

IMPORTANT SAFETY NOTICE
The service guide is for service men with adequate backgrounds of
electrical, electronic, and mechanical experience. Any attempt to repair
a major appliance may result in personal injury and property damage.
The manufacturer or dealer cannot be responsible for the interpretation
of this information.
SAMSUNG ELECTRONICS AMERICA, INC.
Technical Service Guide
Copyright ⓒ2008
All rights reserved. This service guide may not be reproduced in whole or in
part in any form without written permission from the SAMSUNG ELECTRONICS
Company.
WARNING
2

3
Contents
1. PRECAUTIONS (SAFETY WARNINGS) 4
2. PRODUCT SPECIFICATIONS 7
3. DISASSEMBLY AND REASSEMBLY 15
4. TROUBLE SHOOTING 35
5. EXPLODED VIEW & PARTS LIST 81
6. PCB DAIGRAM 133
7. WIRING DIAGRAM 136
8. CIRCUIT DIAGRAM 141
9. REFERENCE INFORMATION 161

4
1. PRECAUTIONS (SAFETY WARNINGS)
●Upon electronic Control system repair/change, make sure the set unplugged.
󳦧Be ware of electric shock.
●Use rated electronic Control equipment.
󳦧Make sure to check out ModeL name, Rated voltage, Rated current, Operation Temp, etc.
●Upon repair, make sure that harnesses are not to be water-penetrated and are bundled tight.
󳦧Should not be detached by a certain amount of external force.
●Upon repair, completely remove dust or other foreign substances from housing, harness,
connector, etc.
󳦧To prevent fire by tracking, short, etc.
●Check out whether water has penetrated into the electronic Control system.
󳦧If there is any kind of trace, take necessary measures such as related component change,
insulation tapping, etc.
●After repair, check out the assembled state of parts.
󳦧It should be the same as the previous state.
●Check out the surrounding conditions.
󳦧Change the location, if the fridge is located at humid, wet places or the installed state is
unstable.
●If needed, ground the fridge.
󳦧Especially, if there is a possibility of electric leakage, ground is indispensable.
●Do not allow consumers to overload a certain outlet.
●Check out whether the power cord or the outlet is broken, squeezed, chopped off or heat-
deformed.
󳦧Repair or replace the defective power cord/outlet immediately.
󳦧Make sure the power cord is not punctuated or stomped down.
●Do not allow consumers to keep food unstable or place bottles in the Freezer Room.
●Do not allow consumers to repair the fridge for themselves.
●Do not allow consumers to keep things except for food.
󳦧Pharmaceutical, Chemical substances : These are not possible to be fine-Controlled with a
consumer fridge.
󳦧Flammable material (alcohol, benzene, ether, LPG, etc) : possibility of explosion.

5
PRECAUTIONS(SAFETY WARNINGS)
Read all instructions before repairing the product and keep to the instructions
in order to prevent danger or property damage.
CAUTION/WARNING SYMBOLS DISPLAYED SYMBOLS
Indicates that a
danger of death
or serious injury
exists.
Indicates that a risk
of personal injury
or material damage
exists.
means Prohibition”.
means Do not disassemble”.
means No contact”.
means The things to
be followed”.
means Earth to prevent Electric
shock”.
means Power cord should be
unplugged from the consent”
Pull the power plug out to exchange the
interior lamp of the refrigerator.
● It may cause electric shock.
Warning
Warning & Caution
Caution
Unplug
Use the rated components on the
replacement.
● Check the correct model, rated voltage,
rated current, operating temperature and so on.
On repair, make sure that the wires such
as harness are bundled tightly.
● Bundle tightly wires in order not to be detached
by the external force and then not to be wetted.
Check if there is any trace indicating the
permeation of water.
● If there is that kind of trace, change
the related components or do the necessary treatment
such as taping using the
insulating tape.
After repair, check the assembled state of
components.
● It must be in the same assembled state
when compared with the state before disassembly.
On repair, remove completely dust or
other things of housing parts, harness
parts, and check parts.
● Cleaning may prevent the possible fire by tracking
or short.
Rated
components

6
PRECAUTIONS(SAFETY WARNINGS)
❈ Please ler users know following warnings & cautions in detail.
Do not allow users to put bottles or kinds of
glass in the freezer.
● Freezing of the contents may inflict a wound.
Do not allow users to store narrow and
lengthy bottles or foods in a small multi-
purpose room.
● It may hurt you when refrigerator door is
opened and closed resulting in falling
stuff down.
Do not allow users to store
pharmaceutical products, scientific
materials, etc., in the refrigerator.
● The products which temperature
control should not be stored in
the refrigerator.
Do not allow users to store articles on the
product.
● Opening or closing the door may cause things to
fall down, with may inflict a wound.
Prohibition Prohibition Prohibition
Prohibition
Warning & Caution
Do not allow users to disassemble,
repair or alter.
● It may cause fire or abnormal operation
which leads to injury.
Do not
disassemble
Do not allow users to insert the power
plugs for many products at the same time.
● May cause abnormal generation of heat or fire.
Prohibition
Do not allow users to bend the power
cord with excessive force or do not have
the power cord pressed by heavy article.
● May cause fire.
Do not allow users to install the
refrigerator in the wet place or the place
which water splashes.
● Deterioration of insulation of electric
parts may cause electric shock or fire.
Make sure of the earth.
● If earthing is not done, it will cause
breakdown and electric shock.
Earth

2. PRODUCT SPECIFICATIONS
7
2-1. Model Specification ·······················8
2-2. View of Fridge & Freezer·····················9
2-3. Comparison with Competitor ··················10
2-4. Electiric Part Specification ···················11
2-5. Dimension(mm) ························13

2-1) Introduction of main function
●●SAMSUNG refrigerator has the following characteristics.
• This products protects the environment by using the R600a refrigerant
and the cyclopentane blowing agent
• Properties :ODP(Ozone Depletion Potential):0GWP :Lowest
* GWP(Global Warming Potential)
Characteristics
Environment-friendly
fridge/freezer using R600a
• The highly ergonomic vegetables compartment is placed at waist height
as it is frequently used.
• The drawer -type freezer minimize temperature variations and stores
food cleanly and conveniently.
• The operation switch is handy to switch the appliance on and off without
pulling out the main plug.
Fridge at the top,
drawer-type freezer
at the bottom
Specification
• Optimized power consumption when using R600a and cyclopentne
High -energy efficiency(A+)
• Drawer for dry or wrapped food
• Drawer for fresh salades,vegetables and fruits
Fresh compartment,
just above 0 °C
• The display shows all functions of the appliance, so that you can easily
control them.
Digital temperature control
display
• With the water dispenser,you can obtain chilled water
easily without opening the door. In addition, you can
save electricty by more than 30%reducing the number
of times the door is open.
Supply of cool water
without door openning
• Food can be stored in fresh conditions by cooling it
quickly via the "Super Freeze"freezing function.
SUPER fast freezing
function
• Save on energy consumption by switching off the
fridge and maintaining only the freezer running when
you take a long vacation or are away for any reason
• The Brita Filter supplies users with higher quality water than before.
Vacation
• High Energy Efficiency, Long Life
LED LAMP
BRITA water filter
8
PRODUCT SPECIFICATIONS

9
PRODUCT SPECIFICATIONS
2-2) Model Specification
90 ~ 95W
240W ~ 288W
INDIRECT COOLING METHOD REFRIGERATOR
4 -STAR
Rated Voltage and Frequency
Motor Rated Consumption Power
Electric Heater Rated Consumption Power
Kind of Refrigerator
Refrigerant/Refrigerant Amount
Freezer Performance
Product Weight
Item Specification
NNeett CCaappaacciittyy
Net dimension
TToottaall
RReeffrriiggeerraattoorr
FFrreeeezzeerr
WW((mmmm))
DD((mmmm)) HH((mmmm))
MMooddeell
326L 232L
RL44Q*
RL44F*
345L 245L
94L
595 643
94L 94L
2000
220 ~ 240V/50Hz
1920
220 ~ 240V/50Hz
1820
220 ~ 240V/50Hz
RL44E*
RL44S* RL44P*
338L 244L
115~127V
/ 60Hz 115~127V/ 60Hz
RL44W*
325L 231L
RL41H*
RL41E*
RL41S*
318L 224L
RL41P* RL41W*
301L 207L
RL38H*
RL38E*
RL38S*
78kg
R600a
/ 60g R600a/56g R600a/56g
R600a/60g
R600a/60g
R600a/56g
R134a/145g
R600a
/60g
R600a
/60g
R600a/56g
R134a/145g
R600a/56g
R134a/145g
76kg 73kg

NOTE
This operation instruction covers various
models.
The characteristics of your appliance may
differ slightly from those described in this
manual.
PRODUCT SPECIFICATIONS
10

- Comparison with competitor
11
PRODUCT SPECIFICATIONS

2-3) Electric Parts Specification
Item Specification
RL44P&41P
MD4A1Q-L1U/E03
PTHTM330MD3
33
Ω±
40%
-
-
IS-27210SNC5B
DC 12V,3.0W(12EA)
DC 12V 2.3W (8EA)
AC 230V 40W(1EA)
REED SWITCH
4TM189PHBYY-53
125
±
9°C
69
±
5°C
DREP5020LB
220 ~ 240V/50Hz
4TM232SHBYY-53
135
±
9°C
69
±
5°C
-
J531Q35E330M385-2
33
Ω±
20%
J531Q34E220M350-2
22
Ω±
20%
4TM265RFBYY-53
130
±
9°C
61
±
5°C
220 ~ 240V/50Hz
-
MD4A1Q-L1U/E02 MK172Q-L2U/E18MK172Q-L2U/E18 MK172H-L2U/E18 MK162D-L1U/E08
250VAC/12
㎌
-
J531Q33E100M200-2
10
Ω±
20%
4TM412SFBYY-53
135
±
9°C
61
±
5°C
115~127V/60Hz
-
IS-27210SNP6A
-
AC 115~127V/40W(1EA)
RL44*/RL41*/RL38*
R.S.C.R
Mineral Oil(10 cst)
Split Fin Type
Natural Convection Type
Molecular Sieve XH-9
ID0.75xL3500, 5.95 kg/cm2
240W
AC 250V 10A 77°C(+0°C/-5°C)
400VAC/5㎌
-
4-STAR
R600a R134a
R.S.C.R
FREOL α-10(ESTER)
RL41WCPS1/XTL
Models
Refrigerant
Freezing Capacity
Condenser
Dryer
Capillary Tube
Rated Voltage
Door Switch
Thermal-Fuse for preventing overheating
of Refrigerator Defrost-Heater
Compressor
Evaporator
Defrost-Heater
Condenser for
Compressor (Package)
Starting-Relay
Motor
Lamp
Over-load
Relay
Conducting at F Defros
Model
Starting type
Oil Charge
Freezer
Running
Starting
Operation
Model Model
Temp. ON
Temp. OFF
BLDC
AC
BULB Type
LED
Type
TOWER
TOP
Components for FreezerElectric Components
12
PRODUCT SPECIFICATIONS

13
PRODUCT SPECIFICATIONS
2-4) Optional Material Specification
THERMISTOR
(FRIDGE SENSOR)
502AT
6hr ±10mi n
6 ~19 hr (vary according to the conditions used)
8 ±1 min
Thermister(502AT)
5.0 ㏀ at 25 °C
AC 250V 10A
77 °C (+0 °C/-5 °C)
ON(°C)
-22.0
-19.0
-13.0
ON(°C)
2.0
4 .0
8 .0
OFF(°C)
-24.0
-21.0
-15.0
OFF(°C)
0
2.0
6 .0
Items Specification
Room Temperature Sensor Components
Freezer
Model
Temperature Selection
-23℃
-20℃
-14℃
THERMISTOR
(FREEZER SENSOR)
502AT
Model
Temperature Selection
1℃
3℃
7℃
Refrigerator
Defrost
Cycle
Defrost Sensor
Thermal-Fuse
First Defrost Cycle (Concurrent defrost of F and F)
Defrost Cycle(FRE)
Pause time
Model
SPEC
Rated
Operating temperature
Defrost Related Components
Model RL44/RL41/RL38
Photograph Part Name Part Code Quantity Remark
ASSY
LABELMANUAL
FILTER
FILTER
WATERASSY
DA99-01629A
DA61-03989A
1
1
RL44P/41P
RL44P/41P

14
PRODUCT SPECIFICATIONS
454
1164.5
590
560
639
50
2000
2-5) Dimensions (mm)
RL44 RL41 RL38
2,000 1,920 1,820

3-1) PRECAUTION 16
3-2) ASSY DOOR 17
REMOVING THE REFRIGERATOR DOOR 17
REMOVING THE FREEZER DOOR 18
3-3) DOOR SUB PARTS 19
3-4) REFRIGERATOR COMPARTMENTS 22
3-5) FREEZER COMPARTMENTS 27
3-6) MACHINE COMPARTMENTS 28
3-7) REVERSING THE DOOR SWING 29
15
3. DISASSEMBLY & REASSEMBLY

• Unplug the refrigerator before cleaning and making repairs.
• Do not dissemble or repair the refrigerator by yourself.
- You run risk of causing a fire, malfunction and/or personal injury.
• Remove any foreign matter or dust from the power plug pins.
- Otherwise there is a risk of fire.
• Do not use a cord that shows cracks or abrasion damage along its length or at either end.
• Do not plug several appliances into the same multiple power board. The refrigerator should always be
plugged into its own individual electrical which has a voltage rating that matched the rating plate.
- This provides the best performance and also prevents overloading house wiring circuits, which could
cause a fire hazard from overheated wires.
• Do not install the refrigerator in a damp place or place where it may come in contact with water.
- Deteriorated insulation of electrical parts may cause an electric shock or fire.
• The refrigerator must be grounded.
- You must ground the refrigerator to prevent any power leakages or electric shocks caused by current
leakage from the refrigerator.
• Do not put bottles or glass containers in the freezer.
- When the contents freeze, the glass may break and cause personal injury.
• Do not store volatile or flammable substances in the refrigerator.
- The storage of benzene, thinner, alcohol, ether, LP gas and other such products may cause
explosions.
- NEED TOOL
3-1) PRECAUTION
IMAGE ITEM USE
Phillips Head Driver Use for assembling and
disassembling of screw
Flat Head Driver
Use for assembling and disassembling
of HomeBar, Dispenser, Deli
Cartessen Box, Main PBA etc...
Hex Wrench Ø2mm Use for assembling and
disassembling of Handle
Socket Wrench Ø10mm Use for assembling and
disassembling of Door Hinge
16
DISASSEMBLY & REASSEMBLY

17
DISASSEMBLY & REASSEMBLY
3-2) Assy Door
1) With the door closed, remove the Cover
Wire Door (➀) and Cap Cabi (➁) using a flat-
head screwdriver and philips-head
screwdriver, and then disconnect the wires
(➂).
2) Remove hinge screws (➃)by turning to
counter-clockwise,and take off the upper
hinge (➄)along the arrow.
3) Remove the door from the middle hinge by
carefully lifting the door (➅).
PART NAME FIGURE
Removig
the
Refrigerator
Door
DESCRIPTION
Removing the Refrigerator Door
➀
➂
➃
➄
➅
➁
Be careful of injury.
Be careful not to scratch.
Take care when removing the
door to ensure that it does not fall
on you.

- If you want to aseemble, follow the
reverse order.
Removing the Freezer Door
➀
➂
➃
➁
1) Open the Freezer door,and then take off the
Front Leg Cover assembly (➀) by removing
the 3 screws (➁) to counter-clockwise.
2) Remove hinge screws (➂)by turning to
counter-clockwise,and take off the lower
hinge (➃)by pulling out.
PART NAME FIGURE
Removing
the Freezer
Door
DESCRIPTION
Be careful not to scratch.
Take care when removing the
door to ensure that it does not fall
on you.
18
DISASSEMBLY & REASSEMBLY

19
DISASSEMBLY & REASSEMBLY
- LCD TYPE
1. Insert a flat-head screwdriver on
the slot as shown,and unlock the
tabs.
2. Disconnect the wire connector.
PART NAME FIGURE
Control
Panel
DESCRIPTION
3-3) Door Sub parts
- LED TYPE
1. Insert a flat-head screwdriver on
the slot as shown,and unlock the
tabs.
2. Disconnect the wire connector.
- LED SEMI TYPE
1. After removing Cap-Cabi SEMI
(refer to Removing the
Refrigertor Door), remove 2
screws.
When diassembling, make
sure the unit turned off.
When diassembling, make
sure the unit turned off.

1.Insert a flat-head screwdriver on
the slot as shown,and unlock the
caps.
2.Remove screws by turning to
counter-clockwise,and take off
the Handle Assy by pulling out.
The door gasket is a molded gasket
set into a channel located in the
door liner.
1. Open the door.
2. Grasp the gasket and pull in an
outward motion until the molded
gasket separates from the door
liner.
PART NAME FIGURE
Door
Handle
Door
Gasket
DESCRIPTION
The refrigerator has a door magnet
switch located in the upper center
for the refrigerator.
1. Use a small flat-blade
screwdriver to unlock the locking
tab and pull the switch out.
Refriger-
ator Door
Magnet
S/W
Be careful of injury.
20
DISASSEMBLY & REASSEMBLY