| Symptom | Likely cause | Fix | |------------------------|----------------------------|-----------------------------| | No display / LEDs | Power reverse or low | Check V+ / V- polarity | | Output stuck at 3.6 mA | Sensor missing or bad | Reseat/replace sensor | | Output > 21 mA | Over-range or configuration| Check gas / reset span | | Modbus no response | Wrong address/baud | Default: 19200, 8N1, addr 1 |
: Instructions on safely unpacking the device, installing it, and connecting it to power or a network. Xnx Universal Transmitter Quick Start Guide
Access the main menu using non-intrusive magnetic switches to configure language, sensor type, and alarm setpoints without opening the enclosure. | Symptom | Likely cause | Fix |
Diagrams for terminal blocks, DIP switch settings, and LED status indicators are well-labeled and easy to follow. The use of color coding (e.g., red for power, black for ground) matches common field wiring practices. The use of color coding (e