Weight sensor does not show weight how to solve?
This article is edited by Shenzhen Huanan Hengtai Industrial Co., LTD., if reproduced, please indicate the source
When the load cell does not display the weight, the possible reasons and the corresponding solutions are as follows:
First, power supply problems
1. Power failure:
- Check whether the power cable is securely connected and whether it is open or short circuited.
- Make sure the power outlet is working properly.
2. Battery problems (if using battery power) :
- Check whether the battery is fully charged.
- Check whether the battery is damaged, if there is a problem should be replaced in time.
2. Sensor failure
1. Connection problem:
- Check whether the cable socket for sensor connection is plugged properly and ensure that there is no bad contact or disconnection.
2. Internal fault of sensor:
- Bridge welding: the bridge does not work will affect the transmission of the weighing signal, should be excluded.
- Sensor foreign body: If there is a foreign body inside the sensor, the strain resistance of the resistance gauge may not change, so that no signal output.
3. Mechanical failure
1. Scale problems:
- Check whether the scale body is stuck, whether the limit device is normal, to ensure that the scale body can operate normally.
2. Sensor damage:
- Due to physical reasons such as falls and collisions, the sensor elastomer may break or the resistance strain gauge may be damaged, affecting the weighing function.
4. Other factors
1. Environmental factors:
- Long-term use in humid or high-temperature environments may lead to changes in or damage to the internal components of the sensor.
2. Storage location:
- The weighing instrument should be placed on a flat ground to avoid tilting or shaking affecting the weighing result.
The solution:
1. Locate the fault cause: Locate the fault based on the preceding possible causes.
2. Take appropriate measures to repair:
- If it is a power problem, make sure the power is connected properly and replace the damaged battery.
- If the sensor is faulty, check the connection cable and socket, clean the foreign matter inside the sensor, and replace the new sensor if necessary.
- In case of mechanical failure, check whether the scale body and sensor are damaged, and replace the damaged parts in time.
- Periodically check the power supply and grounding status to ensure the normal operation of the device.
If the problem still cannot be solved, it is recommended to contact a professional for repair. At the same time, when using the equipment, you should follow the operating procedures to prevent faults caused by misoperations, and handle faults in a timely manner to avoid affecting work efficiency. Of course, after you have identified the possible reasons why the load sensor is not showing weight and have tried the above solutions, if the problem persists, here are some additional suggestions and possible solutions:
Software or configuration problems
1. Instrument setting problem:
- The weighing meter may require some specific Settings or calibration to display the weight correctly. Check the menu and Settings of the meter to ensure that all parameters are configured correctly.
2. Communication problems:
- If the load cell is connected to the host computer or PLC through a communication protocol (such as RS232, RS485, USB, Ethernet, etc.), ensure that the communication line is normal, no open or short circuit, and the communication parameters (such as baud rate, data bit, stop bit, etc.) are set correctly.
3. Software driver or update:
- Make sure the driver or software of the weighing instrument is up to date and compatible with your operating system. Sometimes, software updates can fix some known problems or add new features.
6. Maintenance and maintenance
1. Regular cleaning:
- Regularly clean the load cell and scale body to avoid dust, dirt or moisture accumulation affecting the weighing accuracy or causing damage.
2. Avoid overload:
- Follow the maximum load limit of the load cell to avoid sensor damage due to overload.
3. Regular calibration:
- The load cell is calibrated regularly to ensure its accuracy and reliability. This usually involves using an object of known weight to check that the sensor's output is accurate.
Seven, professional maintenance services
1. Contact suppliers or manufacturers:
- If the problem still cannot be resolved, it is recommended to contact the supplier or manufacturer of the load cell, who may provide more specific troubleshooting and repair services.
2. Maintenance contract or warranty:
- If your load cell is still under warranty or you have purchased a repair contract, you may be able to take advantage of a free repair or replacement service.
In short, when the load cell does not display weight, basic troubleshooting should be performed first, including checking the power supply, connections, the sensor itself, and the mechanical structure. If the problem persists, consider software or configuration issues, as well as maintenance and maintenance factors. If all else fails, it is recommended to seek professional repair services.
