Table of Contents
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Table of Contents
Related Manuals for Daewoo FRU-541 E
Summarization of Contents
2. EXTERNAL VIEWS
2-1. External Size
Provides dimensional drawings for refrigerator models, including width, depth, and height.
2-2. Name of Each Parts
Identifies and labels internal components of the freezer and refrigerator compartments.
3. SPECIFICATION
3-1. Specification
Details technical specifications like gross volume, storage volume, weight, and dimensions for various models.
4. OPERATION AND FUNCTIONS
4-1. Display
Explains the control panel display and buttons for temperature and function settings.
4-2. Defrost Mode
Details the defrosting cycle, including pre-cool, heater defrosting, pause, and fan delay stages.
4-3. Forced Defrosting Mode
Describes the procedure for activating forced defrosting mode for A/S purposes.
4-4. Fan Voltage of Control Mode
Specifies the voltage requirements for the control mode of the fan motors.
4-5. Louver Heater Control
Explains the control logic for the louver heater and its link to the compressor.
4-6. Buzzer or Alarm Control
Details the conditions and sounds for the buzzer and door open alarm.
4-7. Control of Interior Lights
Describes how interior lights turn on/off based on door switches and operation time.
4-8. Demonstration Mode
Provides instructions for entering and operating the demonstration mode for specific refrigerator models.
4-9. R-sensor ON/OFF Point Compensation
Explains how to adjust the R-sensor ON/OFF point for temperature compensation.
4-10. Error Display
Lists error codes and their corresponding LED displays for the FRS(N)-U20IA model.
4-11. Summary of Function
Summarizes A/S functions for different models, including forced defrosting, pull down, and error display modes.
4-12. Back up Function
Explains backup functions like filter exchange information and P factor for the ice maker.
4-13. Automatic Icemaker
Describes the ice making process flow, including ice making, separating, and water supply modes.
4-14. Dispenser Control Function
Details the initial mode, button functions, and display indicators for the dispenser system.
4-15. Magic Cool Zone Temperature Control
Explains temperature control for the Magic Cool Zone compartment, including modes and damper control.
4-15. Dispenser Control Flow & Timing Chart
Illustrates control flow and timing charts for crushed ice, cubed ice, and water dispensing operations.
5. CIRCUIT OPERATION
5-1. Power Circuit Diagram
Presents power circuit diagrams for different refrigerator models, showing component connections and voltage details.
5-2. Function of Each Sensor
Explains the working principles and resistance values of F-sensor, R-sensor, and D-sensor.
5-3. Relay Function
Details the circuit diagram and ON/OFF conditions for relays controlling components like the compressor and heaters.
5-4. Fan Function
Explains the function of fan motors, including circuit diagrams and operational explanations.
6. DIAGRAM
6-1. Wiring Diagram
Provides wiring diagrams for different refrigerator models, illustrating electrical connections between components.
6-2. Main PCB Circuit Diagram
Shows the detailed circuit diagram of the main printed circuit board (PCB) and its connections.
7. COMPONENT LOCATE VIEW
7-1. Front View Component Locations
Shows the location of key external components visible from the front of the refrigerator.
7-2. Inner View Component Locations
Illustrates the location of internal components within the freezer and refrigerator compartments.
7-3. Evaporator Component Locations
Identifies components located around the evaporator, such as D-sensor and defrost heater.
7-4. Machine Compartment Components
Shows the location of major components within the machine compartment, including compressor and condenser.
8. HOW TO CHECK EACH PARTS
8-1. Hose Ice Maker Tube Assembly Check
Details the disassembling procedure and resistance check for the hose ice maker tube assembly.
8-2. Bracket Geared Motor Assembly Check
Outlines the disassembling procedure and resistance check for the geared motor and cube solenoid valve.
8-3. Dispenser Micro Switch Check
Provides instructions for disassembling and checking the dispenser micro switch for proper function.
8-4. Dispenser Solenoid Valve Check
Details the disassembling procedure and resistance check for the dispenser solenoid valve and flap heater.
8-5. Main PCB Check
Shows the main PCB for FRS(N)-U20IA and lists items for checking voltage, resistance, and component functions.
8-6. Ice Maker Check
Details the disassembling procedure and resistance check for ice maker components like the motor and sensors.
9. TROUBLE DIAGNOSIS
9-1. Faulty Start Diagnosis
Provides a flowchart for diagnosing issues when F/R lights are OFF and F-PCB is Power OFF.
9-2. Freezer Compartment Failure
Offers a troubleshooting flowchart for freezing failures in the freezer compartment.
9-2-2. Ice Formation on F-Louver Diagnosis
Provides a flowchart to diagnose and resolve ice formation issues on the F-Louver.
9-2-3. Freezer Lights Wire Disconnection
Offers troubleshooting steps for freezer light filament disconnection or wire breaking issues.
9-3. Refrigerator Compartment Failure
Presents a flowchart for diagnosing refrigeration failures, including issues with R-motor and sensors.
9-3-2. Refrigerator Lights Wire Disconnection
Provides troubleshooting steps for refrigerator light filament disconnection or wire breaking issues.
9-3-3. Refrigerator Compartment Dews
Offers a flowchart to diagnose and resolve dew formation issues within the refrigerator compartment.
9-3-4. Excessive Refrigeration Diagnosis
Provides a flowchart for diagnosing excessive refrigeration in the vegetable case.
9-4. Operation Noise Troubleshooting
Covers troubleshooting for compressor operation noise, including leveling and absorber issues.
9-4-2. Refrigerant Flow Sound Diagnosis
Discusses sounds related to refrigerant flow, such as water flowing, hiss, or sizzling sounds.
9-4. Evaporator Sound Troubleshooting
Guides on troubleshooting hiss, sizzling, and shaking sounds originating from the evaporator.
9-4-3. Fan Noise Troubleshooting
Provides a flowchart for diagnosing and resolving fan noise issues, including damage, touching, or motor noise.
9-4-4. Pipe Noise Troubleshooting
Offers guidance on diagnosing and resolving noise issues caused by pipes touching or vibrating.
9-5. Door Issues
Addresses troubleshooting for the door opening alarm that continues even when the door is closed.
10. COOLING CYCLE HEAVY REPAIR
10-1. Summary of Heavy Repair Process
Outlines the key processes involved in heavy repair of the cooling cycle, including refrigerant removal and parts replacement.
10-2. Precautions During Heavy Repair
Lists essential precautions for using tools, handling refrigerant, and performing nitrogen blowing welding.
10-3. Practical Work for Heavy Repair
Details practical steps for residual refrigerant removal and nitrogen blowing welding procedures.
10-4. Standard Regulations for Heavy Repair
Encompasses standard regulations for heavy repair, including gas handling, pipe cutting, and welding safety.
10-5. Brazing Reference Drawings
Illustrates brazing points and the flow of the refrigeration cycle with diagrams.
11. INSTALLATION GUIDE
11-1. Installation Preparation
Guides on checking refrigerator dimensions for doorways and selecting a suitable installation location.
11-2. Refrigerator Door Entry Issues
Provides procedures for removing and replacing freezer and refrigerator doors if they cannot pass through a doorway.
11-3. Refrigerator Leveling and Door Adjustment
Explains how to adjust refrigerator doors for proper leveling and balance using the wheels.
11-4. Water Line Installation
Details the process of installing the water line, including checking pressure and connecting parts.
11-5. Dispenser Water Flow Diagram
Illustrates the water flow path for the dispenser system, from tap water to the ice maker and dispenser.
Reference
1. Electric Device Specifications
Lists specifications for electric devices like compressors, capacitor runs, and switch relay assemblies.
2. Power Cord Types
Shows different shapes, descriptions, and part codes for power cords used with the refrigerator.
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