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General safety guidelines to prevent injury, damage, or death. Adhere to all measures.
Provides wiring diagrams for the indoor unit and lists component abbreviations.
Lists wiring diagrams and PCB part numbers for the outdoor unit.
Provides guidance on installing the outdoor unit, including service space and bolt pitch.
Specifies maximum allowed pipe length and elevation difference between units.
Provides step-by-step instructions for performing a test run of the installed system.
Detailed procedure for recharging the system with refrigerant.
Critical safety warnings regarding electrical hazards, especially capacitor discharge.
Provides general troubleshooting steps and error code lists.
Troubleshooting steps for common problems addressed without specific error codes.
Provides detailed diagnosis and solutions for various error codes.
Diagnoses and provides solutions for EEPROM parameter errors on the indoor/outdoor PCB.
Diagnoses and provides solutions for communication errors between indoor and outdoor units.
Addresses issues with indoor/outdoor fan speed deviating from normal operating parameters.
Diagnoses and resolves open circuit or short circuit issues with temperature sensors.
Provides steps to detect and address refrigerant leakage issues in the system.
Addresses IPM malfunction and IGBT over-current protection errors.
Diagnoses and resolves issues related to over/under voltage protection and MCE errors.
Diagnoses and resolves errors related to abnormal inverter compressor drive.
Diagnoses and resolves low pressure protection faults.
Addresses high temperature protection issues for the compressor and IPM module.
Troubleshoots communication errors between the outdoor main PCB and IPM board.
Addresses current overload, zero speed, and compressor speed control faults.
Diagnoses and resolves issues related to PFC module protection.
Diagnoses and resolves lack phase failures in the outdoor DC fan motor.
Diagnoses and resolves lack phase protection faults in the outdoor compressor.
Diagnoses and resolves faults with the outdoor IPM module's temperature sensor.
Diagnoses and resolves high pressure protection faults in the outdoor unit.
Diagnoses and resolves high temperature protection faults of the condenser.
Diagnoses and resolves discharge temperature protection faults for the compressor.
Diagnoses and resolves communication errors between chips within the indoor PCB.
Troubleshoots communication malfunctions between the adapter and outdoor main boards.
Diagnoses and resolves failures in the outdoor compressor current sampling circuit.
Diagnoses and resolves communication errors between the wired controller and indoor unit.
Detailed steps for disassembling and removing the compressor.
General
