Unitronics GW-BAC1 User Manual

Unitronics’s BACnet Gateway User Guide Page 23 of 28
Unitronics
Appendix A. Troubleshooting
Check Wiring and Settings Appendix A.1.
 If Tx/Rx are not flashing rapidly then there is a COM issue on the Modbus side and you need to check the
following things:
o Visual observations of LEDs on GW-BAC1. (Appendix A.3)
o Check baud rate, parity, data bits, stop bits
o Check Modbus device address
o Verify wiring
 Field COM problems:
o Visual observations of LEDs on GW-BAC1. (Appendix A.3)
o Visual dipswitch settings (using correct baud rate and device instance)
o Verify IP address setting
o Verify wiring
If the problem still exists, a Diagnostic Capture needs to be taken and sent to Unitronics technical support.
( Appendix A.2)

Unitronics GW-BAC1 Specifications

General

Brand	Unitronics
Model	GW-BAC1
Category	Gateway
Language	English