Rockwell Automation POINTBlock Series User Manual page 166

164 Troubleshoot with the Indicators
Indication Probable Cause
POINTBus Status
Off Device not powered - check module status indicator.
Flashing LED power cycle test present.
red/green
Flashing red Recoverable fault occurred:
• At power cycle the number of expected modules
does not equal the number of modules present
• A module is missing
• Node fault (I/O connection timeout) occurred.
Solid red Unrecoverable fault occurred - the adapter is bus off.
Flashing green Firmware (NVS) update in progress.
Solid green Adapter online with connections established (normal
operation, Run mode).
Indication Probable Cause
System Power
Off Not active; field power is off or dc-dc converter
problem present.
Green System power is on; dc-dc converter is active (5V).
Field Power
Off Not active; field power is off.
Green Power is on; 24V is present.
Publication 1734-UM001D-EN-P - April 2008
Recommended Action
Apply power to device.
None.
• Configure chassis size.
• Check for missing module and reinstall as
needed.
• Check for I/O module failure and correct as
needed.
1. Cycle power to device.
2. If condition persists, replace device.
None.
None.
Recommended Action
1. Verify power is on, and apply power if needed.
2. Verify backplane power not exceeded, and correct, as
needed.
3. Replace 1734-AENT module.
None.
Apply field power.
None.