What should I do if I suspect my sensor is defective?

If you suspect that your sensor is defective, there are a few initial steps you can take to troubleshoot the issue before contacting the manufacturer.

What are the first things I should check myself?

1. Connections: Ensure all connections to the sensor are done according to the datasheet and properly plugged in. 
2. Power Supply: Check if the sensor is receiving adequate power supply.
3. GND: Make sure the sensor has a clean ground.
4. Test the sensor with battery and multimeter without connecting to the whole system.
5. Environmental Conditions: Assess if there are any environmental factors such as temperature, humidity, or electromagnetic interference that might affect the sensor's performance.
6. Physical Damage: Inspect the sensor for any physical damage or signs of wear that could impair its functionality.
7. Zero calibration: Verify if the sensor requires calibration and if it has been done correctly.

What information should I collect before contacting DIS?

1. Model and Serial Number: Provide the model and serial number of the sensor for identification purposes.
2. Symptoms: Describe the specific symptoms or issues you're experiencing with the sensor in detail.
3. Operating Conditions: Note any relevant operating conditions such as temperature, humidity, or exposure to external elements.
4. Recent Changes: Inform DIS of any recent changes or events that may have preceded the sensor malfunction.
5. Error Messages: If applicable, record any error messages or codes displayed by the sensor.
6. Installation Details: Provide information about the sensor's installation location and setup.
7. Maintenance History: If available, share details about the sensor's maintenance history, including any previous repairs or servicing.