（1）出水不足。消除堵塞物，更换叶轮，调整至额定转速。
(1) water shortage. Remove blockage, replace impeller, adjust to rated speed.
（2）泵不出水。消除管路漏气现象，泵体里加足储液，调整电
(2) there is no water coming out of the pump. Eliminate pipeline leakage phenomenon, add sufficient liquid storage in pump body, adjust electricity.
压，降低吸程或缩短管路，修理或更换机械密封装置。
Pressure, reduce suction or shorten the pipeline, repair or replace mechanical seal.
（3）泵噪声和振动过大。更换已磨损的轴承，调整好电机轴
(3) pump noise and vibration are too large. Replace worn bearings and adjust motor shaft.
与泵轴的同心度，紧固好电机和排污泵各连接部位，排除叶轮中
With the concentricity of the pump shaft, fasten the connecting parts of the motor and the sewage pump, and eliminate the impeller.
的异物。
The foreign body.
（4）排污泵泄漏。全面均衡固紧泵壳各联接螺栓，更换磨损
(4) leakage of sewage pump. All balance bolts of the tight and tight pump housing are replaced and worn.
密封件。
Sealing element.
（5）排污泵轴承温度过高。更换符合标准的轴承润滑油，更
(5) the bearing temperature of the sewage pump is too high. Replacement of standard bearing oil, more
换不合格的轴承。
Replace unqualified bearings.
（6）电机过载。电机过载时，过载装置会因电流过大而自动
(6) motor overload. When the motor is overloaded, the overload device will be automatically driven by excessive current.
断电停车。可调整电压至正常区域，适当调整泵轴压盖和轴封松
Power cut. Adjust the voltage to normal area, adjust pump shaft gland and shaft seal properly.
紧度。更换泵轴，稀释输送液体的黏度达到规定要求，更换不平
Tightness. Replace the pump shaft, dilute the viscosity of the delivery fluid to meet the required requirements, the replacement is not smooth.
衡的叶轮或清理叶轮中的杂物。
The impeller of the balance or the debris in the cleaning impeller.