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Details various protection features for the compressor, including temperature, voltage, and current limits.
Lists and explains error codes for various indoor unit series and types.
Lists and explains error codes for outdoor units, including model-specific details.
Step-by-step guide for resolving indoor EEPROM malfunction errors.
Diagnostic steps for resolving indoor/outdoor unit communication errors.
Procedures to diagnose and fix zero-crossing signal errors.
Steps to troubleshoot issues with indoor fan speed control.
Guide for diagnosing open or short circuits in temperature sensors.
Steps to resolve malfunctions related to full-water conditions.
Steps to diagnose and fix outdoor EEPROM malfunction.
Diagnostic steps for compressor voltage protection issues.
Troubleshooting communication issues between IPM board and outdoor main board.
Steps to resolve compressor discharge temperature protection faults.
Troubleshooting steps for compressor top temperature protection.
Guide for diagnosing and resolving high pressure protection faults.
Steps to diagnose and resolve low pressure protection faults.
Troubleshooting steps for compressor current protection issues.
Steps to diagnose and fix IPM module protection faults.
Troubleshooting steps for high condenser temperature protection.
General