| 摘要 |
PURPOSE:To improve the safety, by providing a display command circuit for detecting and displaying items that interfere the starting of an engine and also providing an abnormality supervisory circuit that allows a starting switch for automatic operation to be operated only in the normal case detected by said circuit. CONSTITUTION:When a abnormality is detected before the starting of the engine, and if the power source switch 2 is closed, routine of a check 1 can detect various items, which interfere the starting of the engine, for example, abnormality of the amount of water in a radiator, the amount of a lubricant in the engine, the fuel, etc. before the starting switch 5a is operated. It is detected whether the starting of the engine is possible or not, and if the state is normal, a display board 11 is caused to be blank and the operation of the starting switch 5b is enabled. If the state is abnormal, the abnormal state is displayed on the display board 11, and further an abnormal lamp 12 is lit, and if the starting switch 5a is operated, it is made impossible to start the engine. |
