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General| Brand | LG |
|---|---|
| Model | GR-L227 |
| Category | Refrigerator |
| Language | English |
Essential safety guidelines for operating and repairing the refrigerator.
Detailed technical specifications for GR-P227 and GR-L227 models.
Identification of internal/external filter components for GR-P227/P257.
Identification of parts for GR-L227/P257 models.
Step-by-step guide to adjust the height of refrigerator doors.
Instructions for correctly installing the water pipe for ice/water dispensers.
Guidelines for using bottled water and installing external filters.
Detailed procedures for installing and replacing the water filter.
Procedure to confirm and adjust the water supplied to the icemaker.
Using DIP switches to control icemaker water supply time.
Explanation of the refrigerator's monitor panel and display functions.
Description of temperature selection and exhibition modes.
Functions of dispenser, automatic ice maker, and express freezer.
Door alarms, buzzers, frost removal, and test functions.
Overview of the product's failure diagnosis system.
Explanation of the power, oscillation, and reset circuits.
Circuits for load driving, door sensing, and dispenser operation.
Explanation of temperature sensing and compensation circuits.
Circuits for fan motor, stepping motor, and PCB communication.
Sensor resistance characteristics and option designation circuits.
Step-by-step operation of the icemaker and dispenser.
Initial control, water supply, and ice making control functions.
Detailed function of ice ejection control and test functions.
Troubleshooting steps for DC power, sensors, and ice maker unit faults.
Comprehensive circuit diagram for the GR-P227/L227 model.
Diagnosing start circuit, power, and cooling system problems.
Troubleshooting weak refrigeration and poor cooling air circulation.
Diagnosing and fixing defrost, icing, and sound-related problems.
Diagnosing problems with the Micom system, PCBs, and display.
Troubleshooting dispenser and ice maker related issues.
Standards for heavy repair involving R134a refrigerant.
Summary of key steps in the heavy repair process.
Practical procedures for refrigerant handling and welding.
Visual guides for brazing specific pipe assemblies.
Guide to resolving customer claims related to refrigerator sounds.
Measures to address customer complaints about temperature issues.
Procedures for handling customer claims regarding odors and frost.
Step-by-step instructions for removing and reinstalling the refrigerator door.
Procedures for disassembling and assembling the handle and shroud/fan.
Instructions for disassembling the water valve and fan motor.
Steps for disassembling the dispenser unit and its parts.
Labeled exploded view of dispenser related parts.
Exploded views of freezer and refrigerator doors and their components.
Exploded views of freezer and refrigerator compartments and their parts.
Exploded views of ice/water system, machine compartment, and dispenser parts.
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