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General| Brand | LG |
|---|---|
| Model | CQ09 NA0 |
| Category | Air Conditioner |
| Language | English |
Crucial safety instructions for handling and servicing the air conditioner unit.
Specific safety warnings and precautions to be followed during repair processes.
Essential checks to perform after repair work to ensure safety and proper function.
Procedure for setting External Static Pressure for duct type air conditioners.
Unit's capability to diagnose and report operational errors automatically.
System for detecting and reporting operational errors.
Indoor unit error codes identified via LED indicators.
Outdoor unit error codes identified via LED indicators and codes.
Procedure for safely collecting refrigerant before maintenance.
Process for removing non-condensable gases and moisture from the system.
Steps for correctly charging the refrigerant system.
Troubleshooting based on refrigeration cycle performance and symptoms.
Troubleshooting steps for a completely non-operational unit.
Diagnosing problems when the remote control is unresponsive.
Troubleshooting steps for compressor or outdoor fan failures.
Steps to diagnose and resolve issues with the indoor fan.
Troubleshooting guide for non-functional louvers or vanes.
Detailed guide for indoor unit error codes and solutions.
Detailed guide for outdoor unit error codes and solutions.
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