Rockwell Automation 1756-RMxx ControlLogix Enhanced Redundancy System User Manual - Manual (Page 227)

Rockwell Automation Publication 1756-UM535D-EN-P - November 2012 227
Appendix
A
Status Indicators
Redundancy Module Status
Indicators
The redundancy modules have these diagnostic status indicators.
1756-RM2/A and 1756-RM2XT Status Indicators
Figure 67 - Redundancy Module Status Indicators for 1756-RM2/A and 1756-RM2XT Modules
Module Status Display
The module status display provides diagnostic information.
Topic Page
Redundancy Module Status Indicators 227
Table 40 - Module Status Display
Module Status Display Description
Four-character display executing self-test at powerup.
No action necessary.
Txxx The redundancy module is executing a self-test at powerup. (xxx represents a
hexadecimal test identification number.)
Wait for self-test to finish. No action required.
XFER Application firmware update is in progress.
Wait for firmware update to finish. No action is required.
ERAS Boot mode - Erasing current redundancy module firmware
PROG Flash b mode - Updating redundancy module firmware
Wait for firmware update to finish. No action is required.
???? Resolving initial redundancy module state
Wait for state resolution to finish. No action is required.
CH2 CH1 OK
CH2 CH1 OK
P R I M