As a common tool for high-altitude operation, hydraulic cargo elevator has the characteristics of high efficiency, good safety performance and simple operation. It will encounter faults occasionally in the process of operation. In order not to delay everyone's use, we should master some maintenance common sense. Let's briefly talk about the common faults.

1.升高不到设定定高度，这种情况要检查油箱内的液压油是否达到标准容量，检查油箱是否漏油，如果液压油不够，请添加32#液压油，这种在五金店都会有。

1. If it cannot be raised to the set height, check whether the hydraulic oil in the oil tank reaches the standard capacity and whether the oil tank leaks oil. If the hydraulic oil is not enough, please add 32# hydraulic oil, which can be found in hardware stores.

2.液压升降货梯存在静电，导致不上升或者不下降，是因为在接线的时候没有接地线，使液压升降机带静电导致电箱失灵，可以用铁制品触地即可。

2. There is static electricity in the hydraulic lift cargo elevator, which leads to no rise or fall, because there is no grounding wire during wiring, which makes the hydraulic lift with static electricity, resulting in the failure of the electric box. You can touch the ground with iron products.

3.只能上升，不能下降：检查电磁阀指示灯是否亮，按电箱上的下降键，如果电磁阀上灯不亮，则检查电磁阀两线是否断路或者松掉。

3. It can only rise but not fall: check whether the indicator light of the solenoid valve is on, and press the down key on the electric box. If the indicator light of the solenoid valve is not on, check whether the two wires of the solenoid valve are open circuit or loose.

4.升降在起步时能正常上升，升降到一半时不能升降：一种是起动电容损坏，二种是液压油箱油量不足。

4. The lifting can rise normally when starting, but not when half of the lifting: one is that the starting capacitor is damaged, and the other is that the oil volume of the hydraulic oil tank is insufficient.

5.如果油管漏油，检查对接口是否损坏，检查O型密封件是否损坏，更换密封件或者是整体更换对接口。

5. If the oil pipe leaks oil, check whether the mating interface is damaged, check whether the o-seal is damaged, replace the seal or replace the mating interface as a whole.

6.在升降的时候上下颤抖，抖动：检查滑槽内是否有小颗粒，垃圾，滑槽内润滑油是否还有，没有请及时添加否则，长时间磨损导致升降机卡住损坏。

6. Shake up and down when lifting: check whether there are small particles and garbage in the chute and whether there is lubricating oil in the chute. If not, please add it in time. Otherwise, the elevator will be stuck and damaged due to long-term wear.

7.阴雨天气不升降，请检查上升电箱面板是否有潮湿：请用电吹风吹干即可。

7. If it does not rise or fall in rainy weather, please check whether the panel of the rising electric box is wet: Please dry it with an electric hair dryer.

8.液压升降货梯的升降自落，升降自升：检查电磁阀内是否有垃圾，如有用汽油清洗或者用气枪吹掉即可。

8. Automatic lifting and lowering of hydraulic cargo elevator: check whether there is garbage in the solenoid valve. If it can be cleaned with gasoline or blown off with an air gun.

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