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General| Brand | LG |
|---|---|
| Model | LMN158HVT |
| Category | Air Conditioner |
| Language | English |
Explains safety warnings, cautions, and symbol meanings.
Details crucial checks and precautions after performing repairs.
Explains the coding system for indoor unit model names.
Details the nomenclature for outdoor unit model names.
Explains different modes of airflow direction control, including auto swing.
Details how to set the External Static Pressure (ESP) for proper installation.
Explains the operations during cooling and heating modes, including compressor behavior.
Explains the basic principle of controlling motor RPM by changing compressor frequency.
Details the operation of components during the oil return process.
Outlines protection controls based on pressure, temperature, and current thresholds.
Details essential checks before starting a test run, including refrigerant leakage and insulation.
Provides a flowchart to guide the test operation and troubleshooting steps.
Explains how to perform the test run, including setup and performance evaluation.
Outlines specific precautions and items to check for ceiling cassette type units during testing.
Explains how to interpret error codes displayed by the indoor unit.
Lists outdoor error codes, their causes, and corresponding LED indications.
Provides steps to diagnose and resolve issues when the product does not operate at all.
Explains how to troubleshoot specific indoor errors like sensor or EEPROM faults.
Details troubleshooting for common outdoor errors like DC Peak and voltage issues.
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