Must-Stop Fault Codes for Diesel Generator Sets: Protect Your Equipment and Avoid Losses Diesel generator sets are critical backup power sources for many businesses. However, certain fault codes indicate severe issues that require immediate shutdown to prevent costly damage. In this article, we highlight the key fault codes, emergency shutdown procedures, and preventive measures to safeguard your generator set.     1. Fault Codes That Require Immediate Shutdown 1. Over Speed (超速) Risk: Engine speed exceeds safe limits, which can damage mechanical components or even cause catastrophic engine failure.Action: Immediately cut off fuel supply and inspect the governor and sensors for faults. 2. Low Oil Pressure (机油压力过低) Risk: Insufficient lubrication can lead to cylinder scoring, bearing wear, or engine seizure.Action: Stop the generator, check oil levels, inspect the oil pump, and ensure filters are not clogged. 3. High Coolant Temperature (水温过高) Risk: Overheating may warp cylinde...