Samsung SR-648EV User Manual

R E F R I G E R A TO R
Model :
R E F R I G E R A T O R C O N T E N T S
S E R V I C E
M a n u a l
1. Safety Precautions And Warnings
2. Product Specifications
3. Electrical Part Specifications & Standard
4. Electric Diagram
5. Outer Package Specification
6. Air Circulation Route
7. Functions And Directions
8. Circuit Operating Theory
9. Failure Diagnosis And Repairment
10. Disassemble & Assemble Drawing And
Part Lists
11. Disassemble & Assemble Method
12. Packing Method
13. PCB Diagram
14. PCB Specifications
15. Main Components Specifacations
“A”: WITH DISPENSER
S R - 6 0 8 E V
S R - 6 4 8 E V
S R - 6 8 8 E V
WITHOUT DISPENSER
SR-606EV
SR-646EV
SR-686EV
Model : SR-608EV
SR-648EV
SR-688EV
"A"

Samsung SR-648EV Specifications

General

Defrost System	Frost Free
Number of Doors	2
Color	Silver
Capacity	648 liters
Total Capacity	648 liters
Energy Rating	A

Summary

REFRIGERATOR SERVICE Manual

CONTENTS

Lists the main sections and topics covered in the service manual.

1. Safety Precautions and Warnings

Warning and Caution Symbols

Explains warning and caution symbols and their meanings for user safety.

Description of Symbols

Defines various symbols used in the manual related to safety and operation.

Storage and Handling Precautions

Details specific precautions related to storing food and handling components safely.

2. Product Specifications

Product Specifications Table

3. Electrical Part Specifications & Standard

Electrical Component Standards

7-5 Temperature Control

1) Freezer Temperature Control

Details the operation and settings for controlling the freezer compartment temperature.

2) Refrigerating Compartment Temperature Control

Explains how to adjust and manage the temperature in the refrigerator section.

7-6. Power Freeze and Power Modes

1) Quick Freeze Operation

2) Quick Refrigeration Operation

7-7 Alarming Functions

2) Door Open Warning Alarm

7-8 Defrosting Cycle

Defrosting Cycle Timing

7-10 Self Diagnosis

1) Initial Power-On Self Diagnosis

Explains the self-diagnosis routine performed when the refrigerator is first powered on.

Error Code and Display Symptom Reference

Provides a table correlating error codes and display symptoms with specific issues.

11-1 Refrigerator Lamp Replacement

Refrigerator Interior Lamp Replacement

11-2 Freezer Lamp Replacement

Freezer Interior Lamp Replacement

11-3 Refrigerator Cooling Part Disassembly

Refrigerator Cooling System Disassembly

Step-by-step guide for disassembling the cooling system components in the refrigerator.

11-4 Freezer Cooling Part Disassembly

Freezer Cooling System Disassembly

Instructions for disassembling the cooling system components within the freezer.

11-5 Machinery Room Assembly

Machinery Room Assembly Instructions

11-6 Power Supply Part Assembly

Power Supply Unit Assembly

11-10 Water Dispenser Diagnosis

General Water Dispenser Troubleshooting

Provides a troubleshooting guide for common issues with the water dispenser.

8. Circuit Operating Theory

8-1 Power Supply Circuit Operation

8-3 Door Switch Sensing

Door Switch Sensing Mechanism

8-5 Temperature Sensing

Temperature Sensing Components

Details the temperature sensing components and their electrical characteristics.

8-6 Compressor and Defrost Heater Operation

Compressor & Defrost Heater Logic

Explains the operating logic for the compressor and defrosting heaters.

9. Failure Diagnosis and Repairment

Main PCB Check and Self-Diagnosis

Guide for checking the main PCB for failures and performing self-diagnosis.

Temperature Sensor Vf/Rth Table

Provides voltage and resistance data for temperature sensors at various temperatures.

9-1 No Input Power Troubleshooting

No Power Input Troubleshooting Flowchart

Troubleshooting steps for when the refrigerator does not receive power.

9-2 Self Diagnosis Failures

1) Outer Temperature Sensor Failure

Steps to diagnose and resolve outer temperature sensor failures.

2) R1/R2 Refrigerator Sensor Failure

Troubleshooting steps for R1, R2, and refrigerator temperature sensor failures.

3) Refrigerator Defrosting Sensor Failure

Diagnoses and resolves refrigerator defrosting sensor issues.

4) Freezer Temperature Sensor Failure

Troubleshooting steps for F1 and freezer temperature sensor failures.

5) Freezer Defrosting Sensor Failure

Diagnoses and resolves freezer defrosting sensor failures.

9-3 Continuous Alarming Issues

Alarming References

1) "Ding-Dong" Alarm Troubleshooting

2) "Beep-Beep" Alarm Troubleshooting

3) No Panel PCB Display Troubleshooting

Troubleshooting steps for when the panel PCB does not display any information.

4) Panel PCB Key Selection Failure

Steps to resolve issues where panel PCB key selections are not recognized.

9-4 Fan Operation Issues

Fan Operation References

1) F-Fan Not Running Troubleshooting

2) R-Fan Not Running Troubleshooting

13. PCB Diagram Circuit

Main PCB Circuit Diagram

4. Electric Diagram

1. Voltage and Frequency Variations