Table of Contents
Related Manuals for LG LFD25860ST
Summarization of Contents
Safety Precautions
General Safety Instructions
Key safety guidelines for servicing refrigerators.
3. DISASSEMBLY
3-1 DOOR
Steps for disassembling the refrigerator door.
Door Gasket Removal and Replacement
Procedures for removing and replacing the door gasket.
3-2 DOOR ALIGNMENT
Steps to align the refrigerator doors.
3-3 HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER
Step-by-step guide for removing and reinstalling the pullout drawer.
4. ADJUSTMENT
4-1 COMPRESSOR
Role, composition, and usage notes for the compressor.
4-2 PTC-STARTER
Composition, role, and usage notes for the PTC starter.
4-3 OLP (OVERLOAD PROTECTOR)
Definition, role, and function of the Overload Protector.
4-4 TO REMOVE THE COVER PTC
Steps to remove the PTC cover.
6. TROUBLESHOOTING
6-1 COMPRESSOR AND ELECTRIC COMPONENTS
Troubleshooting steps for compressor and electric parts.
6-2 PTC AND OLP
Diagnostic steps for PTC and OLP issues.
6-3 OTHER ELECTRICAL COMPONENTS
Troubleshooting for other electrical parts and performance issues.
6-4 SERVICE DIAGNOSIS CHART
A chart for diagnosing common refrigerator problems and their solutions.
6-5 REFRIGERATION CYCLE
Troubleshooting guide based on refrigeration cycle states.
6-5-1 SEALED SYSTEM DIAGNOSIS
Flowchart for diagnosing sealed system issues.
7. OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER
7-1 OPERATION PRINCIPLE
Overview of the icemaker's operational modes and functions.
7-2 ICE MAKER FUNCTIONS
Detailed description of icemaker functions like start, ice making, and harvest.
7-2-4 Fill/Park Position
Explanation of water supply and fill/park positions for the icemaker.
7-2-5 Function TEST & 7-3 DEFECT DIAGNOSIS FUNCTION
Procedure for function testing and error code diagnosis of the icemaker.
8. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM
8-1 FUNCTION
Describes temperature control, fan motor, ICE PLUS, and lamp auto-off.
8-1-6 Alarm for Open Door & 8-1-7 Buzzer Sound
Explains the open door alarm and buzzer sound functions.
8-1-8 Defrosting
Details the defrosting cycle, timing, and potential issues.
8-1-9 Electrical Parts Are Turned On Sequentially
Describes the sequential turn-on order of electrical parts.
8-1-10 Defect Diagnosis Function
How the refrigerator diagnoses defects and displays error codes.
8-1-11 TEST Mode
Procedures for operating the refrigerator in test modes.
8-2 PCB FUNCTION
Overview of PCB functions and circuit diagrams.
8-2-2 Oscillation Circuit & 8-2-3 Reset Circuit
Explains the oscillation and reset circuits of the MICOM.
8-2-4 Load / Buzzer Drive & Open Door Detection Circuit
Details circuits for load driving, buzzer, and door open detection.
8-2-5 Temperature Sensor Circuit & 8-2-6 Refrigeration Compartment Stepping Motor Damper Circuit
Describes sensor circuits and the stepping motor damper circuit.
8-3 RESISTANCE SPECIFICATION OF SENSOR
Table of resistance values for various sensors at different temperatures.
8-4 TROUBLESHOOTING
Detailed troubleshooting for issues related to MICOM functions.
8-5 MAIN PWB ASSEMBLY AND PARTS LIST
8-5-1 Main PWB Assembly
Diagram showing the layout of the main Printed Circuit Board (PWB).
8-5-2 Replacement Parts List
List of replacement parts for the main PWB.
8-5-3 PWB Assembly, Display, And Parts List
Diagram and parts list for the display PWB.
8-6 PWB DIAGRAM
Detailed circuit diagram of the main PWB.
9. EXPLODED VIEW & REPLACEMENT PARTS LIST
CASE PARTS
Exploded view and list of case components.
FREEZER PARTS
Exploded view and list of freezer compartment parts.
REFRIGERATOR PARTS
Exploded view and list of refrigerator compartment parts.
DOOR PARTS
Exploded view and list of door components.
WATER AND ICEMAKER PARTS
Exploded view and list of water and icemaker system parts.
DISPENSER PARTS
Exploded view and list of dispenser components.
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