A dual fuel engine running on gas may trip to diesel mode for several reasons:

1. Fuel Supply Interruption: If there is an interruption in the supply of natural gas, the engine will automatically switch to diesel mode to ensure continuous operation.
2. Fuel Quality Issues: Poor quality or inconsistent natural gas can cause combustion problems. Switching to diesel mode helps maintain engine performance and protect the engine from damage.
3. Load Demand: During periods of high power demand, the engine might switch to diesel mode to provide the necessary power, as diesel can produce more energy per unit compared to natural gas.
4. Safety Concerns: If the engine's control system detects unsafe operating conditions, such as high temperatures or abnormal pressures, it might switch to diesel mode to prevent damage and ensure safety.
5. Engine Performance Optimization: To optimize performance under certain conditions, the engine might temporarily switch to diesel mode. This can help maintain efficiency and reliability.
6. Emissions Control: In some situations, switching to diesel mode can help the engine meet emission standards, especially if the natural gas combustion process is not optimal.
7. Maintenance and Diagnostics: During maintenance or diagnostic checks, running on diesel mode might be preferred to simplify the process and get accurate readings.

Switching to diesel mode ensures the engine can continue operating reliably and efficiently under varying conditions, enhancing its versatility and dependability.

Dual Fuel Technology