Samsung RB31FEJNB Series User manual

BOTTOM MOUNTED FREEZER TYPE
BASIC MODEL : RB37J5349SL/EF
MODEL CODE : RB37A5*****
REFRIGERATOR
REFRIGERATOR CONTENTS
1. PRECAUTIONS (SAFETY WARNINGS) ...... 3
2. PRODUCT SPECIFICATIONS .................. 6
3. DISASSEMBLY & REASSEMBLY ............ 16
4. TROUBLE SHOOTING ......................... 40
5. PCB/PBA DAIGRAM .......................... 80
6. WIRING DIAGRAM .............................. 91
7. BLOCK DIAGRAM .............................. 95
8. REFERENCE INFORMATION .............. 100
BOTTOM MOUNTED FREEZER TYPE
BASIC MODEL : RB31FERNCWW/EF
MODEL CODE : RB31FEJNB**, RB31FERNB**,
RB31FEJNC**, RB31FERNC**,
RB31FWJND**, RB31FSJMD**,
RB31FSRMD**, RB31FEJMD**,
RB31FERMD**, RB29FEJNB**,
RB29FEJNC**, RB29FERNC**,
RB29FWJND**, RB29FWRND**,
RB29FSJMD**, RB29FSRMD**,
RB29FEJMD**, RB29FERMD**

2
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.
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

3
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.

4
1. 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”
Warning
Warning & Caution
Caution
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

5
1. 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

6
2. PRODUCT SPECIFICATIONS
2-1) Introduction of main function ····················· 7
2-2) Model Specification ························· 8
2-3) Electiric Part Specification ······················ 11
2-4) Dimension (mm) ··························· 15

7
2. PRODUCT SPECIFICATIONS
2-1) Introduction of main function
●SAMSUNG refrigerator has the following characteristics.
Characteristics Specification
Environment-friendly
fridge/freezer using R600a
(RL43* MODEL ONLY)
• 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)
High -energy efficiency
• Drawer for dry or wrapped food
• Drawer for fresh salades,vegetables and fruits
Fridge at the top, drawer-
type freezer at the bottom
• 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.
Digital temperature control
display • The display shows all functions of the appliance, so that you can easily control them.
Supply of cool water without
door openning
• 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.
LED LAMP • High Energy Efficiency, Long Life

8
2. PRODUCT SPECIFICATIONS
2-2) Model Specification
Item SPECIFICATION
Models RB37A**9** RB37A**5** RB37A**0** RB37A**1**(CIS)
Net
Capacity
Total 365 367 367 367
Refrigerator
267 269 269 269
Freezer 98 98 98 98
Net
dimension
W (mm) 595 595 595 595
D (mm) 647 647 647 647
H (mm) 2010 2010 2010 2010
Rated Voltage and Frequency 230V / 50HZ
Motor Rated
Consumption
Power
c-fan 12v,3w - - -
r-fan 12v, 2.2w - - -
f-fan 12v, 2.2w 12v, 2.2w 12v, 2.2w 12v, 2.2w
Electric Heater Rated
Consumption Power 230V, 150W
Kind of Refrigerator INDIRECT COOLING METHOD REFRIGERATOR
Refrigerant/
Refrigerant Amount 73Gr 63Gr 63Gr 63Gr
Freezer Performance 4-STAR
Product Weight 81.5kg 73.5kg 73.5kg 74.5kg

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2. PRODUCT SPECIFICATIONS
Item SPECIFICATION
Models RB31F****B RB31F***C RB31FD***D
RB31FW***D RB31F****D RB29F****B RB29F***C RB29FD***D RB29FW***D RB29F****D
Net
Capacity
Total 304 304 308 310 286 286 288 290
Refrigerator 206 206 210 212 188 188 190 192
Freezer 98 98 98 98 98 98 98 98
Net
dimension
W (mm) 595
D (mm) 664
H (mm) 1850 1780
Rated Voltage and Frequency 230V / 50HZ
Motor Rated
Consumption
Power
C-FAN 12V, 3W - - - 12V, 3W - - -
F-FAN 12V, 2.2W
Electric Heater Rated
Consumption Power 230V, 150W
Kind of Refrigerator INDIRECT COOLING METHOD REFRIGERATOR
Refrigerant/
Refrigerant Amount
R-600a
61 Gr 61 Gr 61 Gr 61 Gr 61 Gr 61 Gr 61 Gr 61 Gr
Freezer Performance 4-STAR
Product Weight 65 kg 65 kg 65 kg 65 kg 63 kg 63 kg 63 kg 63 kg

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