Common Faults And Troubleshooting Of Automatic Water Sampler

Common faults and troubleshooting of automatic water sampler：

Fault1: LCD is not displayed after power on.

Cause analysis: ① power supply is not plugged in; ② fuse blown; ③ working power supply board is damaged.

Solution: ① Send power; ② Replace the fuse; ③ Replace or repair the power board.

 

Fault2: The touch screen display communication status is wrong. Please check the communication connection.

Cause analysis: ① Communication line is bad; ② PLC operation stopped and the code is not run.

Solution: ① Replace the communication line; ② Stop the PLC operation and dial to run.

 

Fault3: Insufficient sampling.

Cause analysis: Due to the change of pipeline condition, the actual lifting time is longer, resulting in less sample in the sampling bottle.

Solution: Set the time difference in the parameter setting operation.

 

Fault4: No sample was obtained.

Cause analysis: ① The injection time is set too short; ② the solenoid valve is blocked; ③ the solenoid valve is damaged.

Solution: ① Increase the injection time; ② Clean the solenoid valve; ③ Replace the solenoid valve.

 

Fault5: The water sample can not be correctly imported into the sampling bottle.

Cause analysis: The reset switch is offset from the zero position.

Solution: Adjust the reset switch position.

 

Fault6: The screw motor runs abnormally.

Cause analysis: Whether the driver is set at 2.

Solution: The driver is set at 2.

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FAQ

Q1:Where are automatic water samplers used?

A1:The automatic water sampler is suitable for environmental protection departments, sewage treatment plants, drainage management offices, sewage discharge enterprises to automatically collect and refrigerate water samples of surface water, water treatment process and total sewage outlet of enterprises.

 

Q2:Where is your company?

A2:No.8 Guangdian Road,Development Zone,Nantong City,Jiangsu Province.