1. AC ammeter: check whether the indication of the meter needle is normal, switch the current switch, and detect the current value between each phase sequence. The current between each phase sequence should not exceed 10%.

２. AC电压表：三相各电压表针指示的电压是否正常。

2. AC voltmeter: check whether the voltage indicated by the three-phase voltmeter pins is normal.

３. 油压表指示的机油压力是否在正常范围。

3. Whether the oil pressure indicated by the oil pressure gauge is within the normal range.

４. 发电机充电表：指针是否在（＋）的方向。

4. Generator charging meter: whether the pointer is in the direction of (+).

５. 水温表指示的水温是否在正常35℃ ~ 93℃范围。

5. Whether the water temperature indicated by the water temperature gauge is within the normal range of 35 ℃ ~ 93 ℃.

６. 转速表：引擎的转数是否适当。（ 60HZ  为 1800 rpm） （50HZ  为 1500 rpm）

6. Tachometer: whether the number of revolutions of the engine is appropriate. (1800 rpm at 60Hz) (1500 rpm at 50Hz)

７. 发电机组引擎有无异常的声音或振动。

7. Check whether the generator set engine has abnormal sound or vibration.