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General| Brand | LG |
|---|---|
| Model | GC-B207GLQV |
| Category | Refrigerator |
| Language | English |
Measure compressor winding resistance to determine normal or defective status.
Determine defects in the inverter linear drive by checking its operation and protective logic.
Overview of heavy repair procedures, including checkpoints and refrigerant features.
Step-by-step service method for heavy repair of R600a type refrigerators.
Detailed specifications and dimensions of the refrigerator model.
Identification of various parts of the refrigerator with reference numbers.
Instructions for leveling the refrigerator and adjusting door height.
Description of the refrigerator's monitor panel and display functions.
Details on how to select and adjust temperature settings for different compartments.
Explanation of how the variable-speed fan operates in the freezer compartment.
How the door open alarm system functions and its audible signals.
Explanation of the automatic defrost cycle and its operating conditions.
Sequence of operation for various electrical devices upon power-on or test completion.
Overview of the main Printed Wiring Board (PWB) circuit.
Detailed explanation of the power supply circuit within the MICOM system.
Description of the oscillation circuit's purpose for synchronization and time calculation.
Explanation of the reset circuit's function for initializing MICOM and system startup.
Circuit responsible for sensing the state of refrigerator and freezer compartment doors.
Details on temperature sensors and their circuits for various compartments.
Circuits for sensing signals from test switches and reed switches.
Explanation of the stepping motor's operation and its control circuit.
Circuit diagram for driving the fan motor in the freezer compartment.
Circuit for compensating temperature deviations in the freezing room.
Circuit for data exchange between the main PCB and the display PCB.
Table showing resistance values of various sensors at different temperatures.
Drawings and list of components on the PWB Assembly.
Visual representation of the main parts layout on the PWB Assembly.
Overall circuit diagram of the refrigerator's electronic systems.
Summary of MICOM error codes and their descriptions.
Map indicating the positions of temperature sensors within the refrigerator.
Troubleshooting steps for an "F Sensor Error" displayed by the system.
Troubleshooting steps for an "R1 Sensor Error" displayed by the system.
Troubleshooting steps for a "D Sensor Error" displayed by the system.
Troubleshooting steps for a "Defrost Heater Error" displayed by the system.
Troubleshooting steps for a "Freezer Fan Error" displayed by the system.
Troubleshooting steps for a "Condenser Fan Error" displayed by the system.
Troubleshooting steps for a "Communication Error" between system components.
Troubleshooting steps for a "Refrigerator2 Sensor Error" displayed by the system.
Troubleshooting steps when the freezer compartment lamp or LED does not function.
Troubleshooting steps when the refrigerator compartment lamp or LED does not function.
Troubleshooting steps for insufficient cooling in the refrigerator compartment.
Troubleshooting steps for excessively strong cooling in the refrigerator compartment.
General troubleshooting procedures for common refrigerator issues.
Troubleshooting steps for the claim of "No cooling" in the refrigerator.
Troubleshooting steps for weak refrigeration performance.
Troubleshooting steps for a warm refrigerator compartment.
Troubleshooting steps for issues related to dew and ice formation.
Troubleshooting steps for various unusual sounds produced by the refrigerator.
Troubleshooting steps for internal voltage faults or short circuits.
Troubleshooting for structural, appearance, and other miscellaneous issues.
Heavy repair procedures for the refrigerator's cooling cycle.
Summary of the heavy repair process, including contents and tools.
Important precautions to follow during heavy repair procedures.
Standard regulations and safety guidelines for performing heavy repairs.
Reference drawings illustrating brazing techniques for refrigerator components.
Procedures for addressing customer claims and common refrigerator symptoms.
Troubleshooting steps for various sounds produced by the refrigerator.
Measures to address temperature-related symptoms like weak or strong cooling.
Troubleshooting steps for refrigerator odor and frost formation issues.
Troubleshooting for other miscellaneous issues like hot case or door problems.
Step-by-step instructions for disassembling and assembling the refrigerator door.
Instructions for removing and reattaching the refrigerator handle.
Steps for disassembling and assembling the shroud and grille fan components.
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