What are the faults of the automatic checkweigher
1) The checkweigher is powered on, and the touch screen does not flash 1. Check whether the power supply is normal and whether the switch of the power supply is damaged; 2. Whether the leakage switch in the electric box has tripped; 3. Check the switching power supply itself Whether it is damaged; 4. Check whether the 24V circuit has a short circuit and whether the fuse has been burned; 5. Whether the touch screen itself has quality problems. (2) All three belts of the conveying line do not roll over 1. Check whether the 24V voltage output by the switching power supply is normal; 2. Check whether the communication between the flashing screen and the PLC is normal (in the 'system fault' of the 'main menu' of the flashing screen There is a 'PLC-IO port' option, which tests the communication between the flashing screen and the PLC, and can check whether the communication is faulty). (3) A single segment of the belt of the conveyor line does not work 1. Check whether the synchronous belt is stuck or damaged; 2. Check whether the conveyor belt is stuck by foreign objects; 3. Check whether the connection terminals of the motor are loose or fall off ; 4. Select the replacement method, swap the motor drive and the motor, and see if it is a drive problem or a motor failure. (4) The product detected by the automatic checkweigher is unqualified, but the removal equipment is not removed or the removal is not in place 1. The removal is not in place, check whether the removal output delay and removal holding time of the system are set accurately; 2. Check the air pressure Check whether the air pressure of the machine is normal, check the pressure gauge; 3. Check whether the solenoid valve is faulty, check the solenoid valve by hand to see if there is any response; 4. Check whether the cylinder is faulty; 5. Check whether the solid state relay response is normal; 6. Check Whether the IO controller part of the checkweigher machine is burned out. (5) The automatic checkweigher suddenly appears inaccurate, which may violate the target value. 1. Check whether the parameter settings have been changed artificially; 2. Whether the vibration of the workshop environment is relatively large or the airflow is large; 3. Whether the distance of incoming materials is the same as the original 4. Whether the weighing platform is clean and whether there is any foreign matter; 5. Whether the conveyor belt of the weighing platform is in contact with the other two conveyor belts; 6. Whether the screw maintained by the sensor touches the edge of the weighing platform; 7. The sensor has Not damaged and deformed by artificial heavy pressure; 8. Whether the sensor wire and motor wire are loose or pulled too tightly; 9. Whether the position of the photoelectric switch is adjusted accurately (especially when the measured object is a special-shaped part). (6) The conveyor belt is deviated and cannot be adjusted 1. The belt has been used for too long, and the wear and tear is severe and the deformation is elongated. Consider replacing the belt; 2. The roller has been used for a long time and is severely worn, and consider replacing the new roller.
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