... stop. II. Performance1. LED display: State indicate: Start, Auto, Power supply, Running indicate Fault indicate: Emergency stop, over speed, low ... fuel level,3. Relay output(relay insulate): Start, Fuel (Fuel supply/stop), fault, pre-Fuel/pre-heated, excitation, Idle. .Appearance ... WxD84×84x50 mm Mounting hole (L×W85×85mm 2. Power Supply DC8-36 V3. Working environment -25~70oC, relative humidity ...