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 pressure problems are a clear manifestation of a fault, but not the root cause itself. Pressure is the “blood pressure” of the refrigeration system; its high and low pressure readings directly reflect the overall state of energy flow and heat exchange within the system. A special paper published in the 2025 *International Automotive […]
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