Troubleshooting
UPC Open
Carrier Proprietary and Confidential
CARRIER CORPORATION ©2017
Installation and Integration Guide
All rights reserved
19
If Run LED shows...
And Error LED shows...
Status is...
2 flashes per second
On
Exec halted after frequent system errors, due to:
•
Controller halted
•
Program memory corrupted
•
One or more programs stopped
5 flashes per second
On
Exec start-up aborted, Boot is running
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 UPC Open off, then on.
•
Download memory to the UPC Open.
•
Replace the UPC Open.
NOTE
If you resolve the issue but the
Error
LED does not turn off, cycle power to the controller.
To get the serial number
If you need the UPC Open's serial number when troubleshooting, the number is on:
•
a sticker on the back of the main controller board
•
a Module Status report (Modstat) under
Core
(or
Main
)
board hardware
To obtain a modstat in the i-Vu® interface:
1
Select the UPC Open in the navigation tree.
2
Right-click and select
Module Status
.
