Allen-Bradley 1440-SDM02-01RA, User Manual, Page: 116 / 168

116 Rockwell Automation Publication 1440-UM001D-EN-P - September 2016
Appendix A Status Indicators
Module Status (MS)
Indicators This table describes the module status indicators.
Relay Indicator This table describes the relay indicator.
Network Status (NS)
Indicator This table describes the network status indicator.
State Probable Cause
Off No power applied to the module.
Alternating Red/Green Module performing power-up self-test.
Flashing Red • Application firmware is invalid or not loaded. Download firmware to the
module.
• Firmware download is in progress.
• The Node Address or Communication Rate DIP switches have been
changed and do not reflect the settings currently in use.
Solid Red An unrecoverable fault has occurred. The module can need to be repaired or
replaced.
Flashing Green Module operating in Program Mode, not performing its monitoring
functions.
Solid Green Module operating in Run Mode, performing its monitoring functions.
State Probable Cause
Off The relay is not activated.
Solid Red The relay is activated.
State Probable Cause
Off Module is not online.
• Module is autobauding.
• No power is applied to the module; examine module status indicator.
Flashing Red One or more I/O connections are in the timed-out state.
Solid Red Failed communication (duplicate MAC ID or bus-off).
Flashing Green Module is online but no connections are currently established.
Solid Green Module is online with connections currently established.