Rockwell Automation 1768-L45S Compact GuardLogix Controllers - Manual (Page 117)

Rockwell Automation Publication 1768-UM002C-EN-P - April 2012 117
Appendix
A
Status Indicators
Compact GuardLogix
Controller Status Indicators This table describes the controller’s status indicators.
Topic Page
Compact GuardLogix Controller Status Indicators 117
Clear a Major Fault 118
Clear a Nonrecoverable Fault 119
Troubleshoot a Nonresponsive Module 119
Troubleshoot System Power 120
Table 35 - Status Indicator Descriptions
Indicator Status Description
PWR Green The controller is providing power to 1768 modules in the system.
Red The power supply is not producing valid 24V power to the 1768 modules. See Troubleshoot System Power on page 120 .
Off The power supply is turned off, lacks adequate input power, or has failed. See Troubleshoot System Power on page 120 .
I/O PWR Off Either the controller or the power supply is not operating properly.
Green The controller is operating properly.
Flashing Red/Green or
Solid Red An endcap or 1769 I/O module is not properly attached. See Troubleshoot System Power on page 120 .
RUN Off The controller is in Program or Test mode.
Green The controller is in Run mode.
FORCE Off No tags contain I/O force values or I/O forces are inactive (disabled).
Amber I/O forces are active (enabled). I/O force values may or may not exist.
Flashing Amber One or more of input or output addresses have been forces to an On or Off state, but the forces have not been enabled. Enable forces or
remove the individual I/O from being forced.
MEM SAVE Off The user program and configuration data are not actively being saved to nonvolatile memory.
Green The use program and configuration data are being saved to nonvolatile memory.
I/O Off There are no devices in the I/O configuration of the controller or the controller does not contain a project.
Green The controller is communicating with all of the devices in its I/O configuration.
Flashing Green One or more devices in the controller’s I/O configuration are not responding. See Troubleshoot a Nonresponsive Module on page 119 .
Flashing Red The controller is not communicating with any of the devices in its I/O configuration. See Troubleshoot a Nonresponsive Module on
page 119 .