1-981-2180-GB, 2021-03-16 BCR-SD G2 Page: 18
SystemHouse Solutions
6.2 Fixing common issues with the reader
6.2.1 No communication with the Reader
Check display, if next picture is presented there is no RS485 communication between reader and
master device.
Solution:
1. Check wires for RS485 if they are properly attached to screw terminal.
2. Check polarity for wires.
3. Check setting of switch SW1 – termination of RS485 according position of reader on the
line.
4. Compare device address with address set in the system.
6.2.2 Reader is not working
Solution:
1. Check wiring of the connectors, check polarity.
2. Check power supply if it’s within range 20-30 V DC.
3. Check setting of switch SW1 – termination of RS485 according position of reader on the
line.
4. Check setting inside system if device has proper address set.