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Samsung RB1955SW User Manual

Samsung RB1955SW
62 pages
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RB1955SW
RB1955SH
RB1955VQ
RB2155SW
RB2155SH
RB2155BB
Model:
Bottom-Mounted Freezer
SAMSUNG Home Appliance Service
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Samsung RB1955SW Specifications

General IconGeneral
BrandSamsung
ModelRB1955SW
CategoryRefrigerator
LanguageEnglish

Summary

1. Installation

2. Nomenclature

3. Product Specifications

4. Electrical Part Specifications & Standard

Temperature and Defrosting Specifications

Details on temperature settings and defrosting cycles for freezer and refrigerator.

Sensor, Heater, and Other Electrical Components

Specifications for sensors, heaters, fuses, capacitors, and other electrical parts.

5. Warranty Information

6. Interior Views and Dimensions

Shelves and Bins Overview

Illustrates and describes various interior shelves and bins for easy removal.

Refrigerator Dimensions

Provides detailed measurements (width, depth, height) for refrigerator models.

7. Refrigeration Cycle and Cool Air Circulation Route

Refrigerant Route in Refrigeration Cycle

Diagrams and describes the path of the refrigerant through the cooling system.

Cool Air Circulation

Illustrates how cold air is distributed within the refrigerator and freezer compartments.

8. Mechanical Disassembly

Control Panel Disassembly

Step-by-step instructions for removing and disconnecting the control panel assembly.

Lighting Component Replacement

Procedures for replacing the refrigerator and freezer light bulbs safely.

Evaporator Cover Servicing

Guides for removing and servicing evaporator covers in refrigerator and freezer.

Evaporator Removal and Replacement

Detailed steps for removing and replacing the evaporator unit itself.

Machine Compartment and Electric Box

Instructions for accessing and disassembling the machine compartment and electrical box.

9. Operation Function

Digital Panel and Temperature Control

Explains the digital display, temperature selection for freezer and refrigerator.

Power Freeze, Power Cool, and Sound Functions

Details on special cooling modes, their operation, and audio feedback.

Defrost Function Details

Explains automatic defrost cycles, including timing and processes.

Forced Operation Modes

Explains manual forced operation procedures for cooling and defrosting.

Special Functions: Power Failure, Exhibition, Self-Diagnostics

Covers power failure compensation, exhibition mode, and self-diagnostics features.

Component Operation and Fan Delay Functions

Explains component load operation and C-Fan motor delay based on ambient temperature.

10. Circuit Descriptions

Source Power and Oscillator Circuits

Describes the power supply circuits and the oscillator circuit for timing functions.

Reset and Door Sensing Circuits

Details on the reset initialization circuit and the door switch sensing mechanism.

Temperature Sensing Circuit

Explains how temperature sensors interface with the control board via thermistors.

Key Scan and Display Circuits

Explains how user inputs are scanned and how the display panel operates.

Load Drive Circuits

Describes how relays control components like the compressor and heaters.

Option Circuitry

Explains how option settings are managed through PCB switching diodes.

11. Diagnostics

Power Supply and Sensor Diagnostics

Guides for troubleshooting power issues and ambient/temperature sensors.

Defrost Sensor Troubleshooting

Specific steps for diagnosing issues with refrigerator and freezer defrost sensors.

Compressor Operation Issues

Troubleshooting steps for a compressor that is not working properly.

Cooling Fan Operation Issues

Guides for diagnosing problems with freezer, refrigerator, and compressor cooling fans.

No Defrosting Troubleshooting

Steps to diagnose and resolve issues where defrost cycles are not initiating or completing.

Alarm and Panel Display Issues

Guides for troubleshooting continuous alarms, non-responsive buttons, and dead panel displays.

12. Illustrated Parts Catalog

Freezer Exterior and Interior Parts

Illustrated parts catalog for the freezer compartment, including trays and covers.

Freezer Mechanical and Sensor Parts

Catalog of freezer mechanical parts like motors, sensors, and heaters.

Refrigerator Interior Parts

Illustrated parts for the refrigerator compartment, including shelves and drawers.

Refrigerator Mechanical and Sensor Parts

Catalog of refrigerator mechanical components, sensors, and lamps.

Door Foam and Stopper Parts

Illustrated parts for door foam insulation and stoppers.

Door Gaskets and Control Panel Parts

Catalog of door gaskets, hinges, and control panel components.

Cabinet Exterior and Base Parts

Illustrated parts for the refrigerator cabinet, including legs and covers.

Cabinet Internal Components and Accessories

Catalog of internal cabinet parts like PCB, fans, and drain hoses.

13. Safety Instructions on Service

General Service Safety Precautions

Essential safety guidelines and warnings for performing service on the appliance.

Appendix I: Circuit Diagnostics References

Wire Connector and Relay Checks

Guidance on checking wire connections and diagnosing relay failures.

Load and Sensor Measurement Procedures

Methods for measuring load resistances and sensor values for diagnostics.

Door Switch and Forced Operation Testing

Instructions for testing door switches and performing forced operation/defrosting.

Temperature Sensor Conversion Table

A table correlating sensor resistance and voltage with temperature readings.

PCB Circuit Diagram

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