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**

Samsung RB31FEJNB Series Specifications

General

Model	RB31FEJNB Series
Category	Refrigerator
Freezer Net Capacity	98 L
Energy Rating	A+
Energy Efficiency Class	A+
Weight	65 kg
Cooling Technology	No Frost
Color	Black
Noise Level	39 dB
Climate Class	SN-T
Door Finish	Metal
Type	Top Freezer
Dimensions (H x W x D)	1780 x 595 x 668 mm

Summary

1. Precautions and Safety Warnings

2. Product Specifications

2-1) Introduction of Main Function

Overview of the refrigerator's key features and characteristics.

2-2) Model Specification

Detailed specifications for various refrigerator models.

2-3) Electric Parts Specification

Technical details of electrical components for different models.

2-4) Dimension (mm)

Physical dimensions for various refrigerator models.

3. Disassembly and Reassembly

3-1) Precaution

Safety precautions and required tools for disassembly procedures.

3-2) Assy Door

Step-by-step guide for disassembling the refrigerator door.

3-3) Door Sub parts

Procedures for disassembling minor door components.

3-4) Refrigerator Compartments

Steps for removing refrigerator interior compartments.

3-5) Freezer Compartments

Steps for removing freezer interior compartments.

3-6) Machine Compartment

Guide for disassembling components within the machine compartment.

3-7) Compressor

Detailed procedure for compressor removal and installation.

3-8) Reversing the Door swing

Instructions for changing the refrigerator door swing direction.

4. Troubleshooting

4-1) Check-List before Trouble-Shooting

Preliminary checks and diagnostic functions before detailed troubleshooting.

4-1-1) Test Function (Forced Operation / Forced Defrost)

Details on using test modes for forced operation and defrost cycles.

4-1-2) Self-Diagnosis Function

Explains self-diagnosis modes, error codes, and their interpretation.

4-1-3) Load Status Display Function

Describes how to check the load status using display LEDs.

4-1-5) Demo Mode Function for Store Display

Procedure for activating demo mode for retail display.

4-1-6) Option Setting Function

How to access and modify unit operational settings.

4-1-7) Option Table

Reference table for available unit option settings.

4-2) Troubleshooting Flow-Chart by Symptoms

Symptom-based troubleshooting flowcharts for common issues.

4-2-1) Troubleshooting for Self-Diagnosis Errors

Step-by-step guide to resolve errors identified by self-diagnosis.

4-2-2) When the Freezer Fan does not operate (BLDC Motor)

Troubleshooting steps for a non-operational freezer fan motor.

4-2-5) When Defrost does not work (F DEF Heater)

Diagnostic steps for issues with the defrost heater.

4-2-6) When there is No Power (MAIN PBA)

Troubleshooting guide for units with no power on the main PBA.

4-2-8) When the Compressor is not working (INVERTER PBA)

Steps to diagnose compressor issues related to the inverter PBA.

4-2-10) When the unit keeps alarming (Buzzer Sound)

Guide to troubleshoot and resolve persistent buzzer alarms.

5. PCB/PBA Diagram

5-1) PART Layout (Main Board)

Identifies components and their locations on the main PCB.

5-2) Parts Layout (Inverter Board)

Identifies components and their locations on the inverter board.

5-4) Connector Layout & Description (Main Board)

Details connectors and their functions on the main board.

5-7) Connector Layout & Description (Inverter Board)

Details connectors and their functions on the inverter board.

6. Wiring Diagram

6-1) Wiring Diagram (A+, A++)

Provides electrical wiring diagrams for A+ and A++ refrigerator models.

6-2) Wiring Diagram (A+++)

Provides electrical wiring diagrams for A+++ refrigerator models.

6-3) 3050-2M A+++

Specific wiring diagrams for 3050-2M A+++ models.

6-4) 3050-2M A++

Specific wiring diagrams for 3050-2M A++ models.

7. Block Diagram

7-1) PBA Main

Illustrates the functional blocks of the main PBA.

7-3) PBA Inverter

Illustrates the functional blocks of the inverter PBA.

8. Reference Information