Troubleshooting
TruVu™ VAVB3-E2 CARRIER CORPORATION ©2022
Installation and Start-up Guide All rights reserved
99
Invalid address selected for
protocol
Invalid address selection
for MSTP
Change MAC address to
unique address using USB
Service Port
Controller has same MAC address
as another connected device
Duplicate address on
MSTP
Change MAC address to a
unique value using USB
Service Port to valid address
Controller is the only device on the
network
No other devices
detected on MSTP
• Check that network cable
is connected properly
• Check that baud rate is
correct
Excessive errors detected over 3
second period
Excessive
communication errors
on MSTP
• Check that network cable
is connected properly
• Check that baud rate is
correct
All enabled networks are
functioning properly
Operating system changes are
downloading
WARNING This process could
take several minutes. Do NOT
power off the controller during the
download.
Sys (System Status) Tricolor LED
Restarting after an abnormal exit
Auto restart delay due to
system error on startup
After 5 minute delay has
expired, if condition occurs
again then cycle power
Firmware image is corrupt
Firmware error has caused the
firmware to exit and restart
Download of driver is in progress
BACnet Device ID is not set
Installation of recently
downloaded driver is occurring
Controller is starting up