WEIGHBRIDGE SUPPORT CENTER

1. Check RFID reader power and connection
2. Verify tag is within 1-2m range
3. Clean RFID antenna and tag surface
4. Check MQTT connection status in dashboard
5. Restart RFID reader service

1. Check load cell cable connections
2. Verify PLC Modbus communication
3. Check weight sensor calibration
4. Restart weighbridge PLC
5. Verify database connection

1. Check internet connectivity
2. Verify MQTT broker IP:1883
3. Restart MQTT service on server
4. Check firewall port 1883
5. Test with MQTT client tool

1. Check sensor alignment (30-50cm height)
2. Verify detection zone settings
3. Clean sensor lens
4. Check ambient lighting conditions
5. Adjust sensitivity threshold

1. Verify camera IP reachability
2. Check RTSP credentials
3. Test RTSP URL in VLC player
4. Check camera power and network
5. Restart camera NVR

1. Check PLC power supply
2. Verify Ethernet cable connection
3. Check PLC IP configuration
4. Restart PLC controller
5. Test Modbus TCP port 502

1. Check display power and LAN cable
2. Verify IP configuration (192.168.1.x)
3. Restart LED controller
4. Check MQTT broker connection
5. Test with direct IP ping

1. Check traffic light power supply (24V DC)
2. Verify relay output from controller
3. Test individual light bulbs
4. Check wiring connections
5. Restart traffic controller

1. Check boom barrier motor power supply
2. Verify RFID authorization in software
3. Test manual override button
4. Check limit switch alignment
5. Inspect barrier controller communication