Clear a major fault – Rockwell Automation 1768-L45S Compact GuardLogix Controllers User Manual
Page 118

118
Rockwell Automation Publication 1768-UM002C-EN-P - April 2012
Appendix A
Status Indicators
Clear a Major Fault
If the OK status indicator flashes red because of a recoverable major fault, clear
the fault by following these steps.
1.
Turn the controller keyswitch from PROG to RUN and back to PROG.
2.
Go online with RSLogix 5000 software.
3.
On the Controller Properties dialog box, click the Major Faults tab to find
information about the fault.
OK
Off
No power is applied. If MEM SAVE indicator is green, the user program and configuration data are being saved to nonvolatile memory.
Flashing Red
The controller requires a firmware update or a firmware update is in progress.
A recoverable major fault occurred on the controller.
A non-recoverable major fault occurred on the controller.
See
Clear a Major Fault on page 118
.
Red
The controller detected a nonrecoverable major fault so it cleared the project from memory.
See
Clear a Nonrecoverable Fault on page 119
.
Green
Controller is OK.
Flashing Green
The controller is storing or loading a project to or from nonvolatile memory.
CF
Off
There is no CompactFlash card activity.
Flashing Green
The controller is reading from or writing to the CompactFlash card.
IMPORTANT: Do not remove the CompactFlash card while the controller is reading from or writing to the card. Removing the card
during a read or write could corrupt data on the card, data in the controller, and firmware installed on the controller.
Flashing Red
The CompactFlash card does not have a valid file system and must be replaced.
DCH0
Off
Channel 0 is configured differently than the default serial configuration.
Green
Channel 0 has the default serial configuration.
CH0
Off
No RS-232 activity.
Green
RS-232 activity.
SAFE RUN
Off
The user safety task or safety outputs are disabled. The controller is in the PROG mode, test mode, or the safety task is faulted.
Green
The user safety task and safety outputs are enabled. The safety task is executing. Safety task signature is present.
Flashing Green
The user safety task and safety outputs are enabled. The safety task is executing. Safety task signature is not present.
SAFETY TASK
Off
No partnership established.
Green
Safety controller status is OK. The coordinated system time (CST) is synchronized and safety I/O connections are established.
Flashing Green
Safety controller status is OK. The coordinated system time (CST) is not synchronized.
Red
Safety partnership was lost.
Flashing Red
Safety task is inoperable.
SAFETY LOCK
Off
Safety task is not locked.
Green
Safety task is locked.
SAFETY OK
Off
No power is applied.
Green
The safety partner is OK.
Flashing Green
The safety partner is storing or loading a project to or from nonvolatile memory.
Red
The safety partner detected a nonrecoverable major fault, so it cleared the project from its memory.
Flashing Red
The internal safety partner requires a firmware update or a firmware update is in progress.
A recoverable major fault occurred on the safety partner.
A nonrecoverable major fault occurred on the safety partner.
Table 35 - Status Indicator Descriptions
Indicator
Status
Description