Troubleshooting
TruVu™ VAVB3
-E2
CARRIER CORPORATION ©2022
Installation and Start-up Guide
All rights reserved
99
Color
Pattern
Condition
Message in Module
Status
Possible Solutions
Blue
1 blink
Invalid address selected for
protocol
Invalid address selection
for MSTP
Change MAC address to
unique address using USB
Service Port
Blue
2 blink
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
Blue
3 blink
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
Blue
4 blink
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
Green
On
All enabled networks are
functioning properly
No errors
No action required
Magenta
Operating system changes are
downloading
WARNING
This process could
take several minutes. Do NOT
power off the controller during the
download.
N/A
No action required
Sys (System Status) Tricolor LED
Color
Pattern
Condition
Message in Module
Status
Possible Solution
Red
2 blink
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
Red
4 blink
Firmware image is corrupt
Firmware error
Download driver again
Red
Fast blink
Firmware error has caused the
firmware to exit and restart
Fatal error detected
No action required
Green
1 blink
No errors
Operational
No action required
Green
2 blink
Download of driver is in progress
Download in progress
No action required
Green
3 blink
BACnet Device ID is not set
Download required
Download the controller
Green
Fast blink
Installation of recently
downloaded driver is occurring
N/A
No action required
Blue
On
Controller is starting up
N/A
No action required