Carrier RTU Open v3 - Page 37

Troubleshooting
RTU Open v3 Carrier Proprietary and Confidential CARRIER CORPORATION ©2016
Integration Guide All rights reserved
33
If Run LED shows...
And Error LED shows...
Status is..
2 flashes per second
3 flashes, then off
Controller has just been formatted
2 flashes per second
On
Two or more devices on this network
have the same network address
2 flashes per second
On
Firmware halted after frequent
system errors or control programs
halted
5 flashes per second
Off
Firmware transfer in progress, Boot is
running
7 flashes per second
7 flashes per second,
alternating with
Run
LED
Ten second recovery period after
brownout
14 flashes per second
14 flashes per second, alternating with
Run
LED
Brownout
On
On
Failure. Try the following solutions:
• Turn the RTU Open off, then
on.
•
Replace the RTU Open.