Bus AC Low Pressure Fault Diagnosis and Repair Bus AC low pressure is a typical comprehensive fault signal, directly reflecting insufficient energy supply at the “suction end” of the refrigeration cycle. The first report in the 2025 *Commercial Vehicle Refrigeration System Diagnosis Yearbook*, titled “Multi-factor Coupling Analysis and Hierarchical Diagnosis Method for Low-Pressure Side Pressure […]
Bus AC refrigerant leaks are the most common fault leading to refrigeration performance degradation and even failure. While the symptoms are simple, the root causes are complex, usually pointing to deep-seated defects in system design, manufacturing, use, and maintenance. A 2025 supplement to the *Journal of Automotive Engineering*, titled “Research on Sealing Technology and Reliability […]
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