Figure 3 7-segment led codes – Rockwell Automation AutoMax ControlNet Communication Interface Module User Manual
Page 17

AutoMax ControlNet Module Page
17
Publication number DSMBCN-UM001B-EN-P February 2003
Value Meaning
C
Communication error
d
One or more connections requires a schedule.
Use RSNetWorx to schedule all connections.
E
Bad thumbwheel value
P
Scanning in program mode
U
Firmware on the MBCN is being updated
H
Hardware on the MBCN is being updated.
r
Module requires reset, usually after an update.
Cycle power to the rack that contains the
MBCN.
.0
Module checksum failure
.1
Local RAM data failure
.2
Local RAM address failure
.3
Local RAM FF fill failure
.4
Local RAM 00 fill failure
.5
Code copy failure
.6
Shared RAM failure
.7
Shared RAM address failure
.8
Shared RAM FF fill failure
.9
Shared RAM 00 fill failure
.A
Module startup failure
.b
Bootup shell activate prompt
.C
Board reset failure
.d
AutoMax watchdog failure
.E Power
fail
.F
Module hardware failure (jabber inhibit, host
watchdog). Cycle power to see if the problem
disappears. If it does not, replace the MBCN.
Off
Scanning OK in run mode
Figure 3 7-Segment LED Codes
LED codes that start with a dot are hardware failures and usually indicate
that the MBCN has suffered a fatal hardware or firmware failure.
Contact technical support.