The motor of the dosing metering pump of the automatic dosing device is controlled by the frequency converter. It is found that the dosing metering pump cannot work normally, which may be the fault of the frequency converter. 1 should enable the other one ( one for use and one for standby ) and follow the instructions for fault reset. 2. During the use of the material level meter of the automatic dosing device, due to moisture, the material adheres to the material, which affects the use effect of the surface of the material level switch. The drug delivery device should be inspected and wiped frequently ( recommended once per shift ) . 3. The electrical components in the control cabinet are prohibited from entering water. During normal use, the cabinet door should be tightly closed, and the control cabinet should not be washed with water. Otherwise, electrical components will be damaged. 4. Due to the strong corrosiveness of chemicals, all mechanical parts in contact with chemicals should be checked regularly and replaced in time. 5. If the screen in the applicator is damaged, please replace it in time, so as not to put large pieces of dry medicine into the screw dispenser and damage the screw or drive motor. 6. The two pressure gauges should be checked every other month and the membrane in the center of the head should be cleaned. 7. Due to the viscosity of the agent, pay attention to whether the feeding pipeline is unobstructed when blowing, especially under the hopper and the discharge port. 8. There is downward suction when the hopper end cover is opened at ordinary times. If there is no suction or reverse wind, the feeding pipeline is not smooth, and it should be checked in time. ( It is recommended to disassemble and inspect the dosing operation every 20 hours ) 9. There is a heater in the hopper. When normal, supply air for a period of time, and the feed pipe is slightly hot. If there is no change, the heater is damaged and should be checked and replaced in time. 10. The water inlet valve and the water outlet valve are automatic ball valves. After closing, there is still water flowing in or medicine flowing out, indicating that the water inlet valve and the water outlet valve are damaged, and should be checked and replaced in time. 11. The dosing pump of the automatic dosing device is prohibited from idling and reversing. Before starting the pump, it must be ensured that the valves before and after the metering pump are open, and the medium needs to be injected in advance.

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