Publication 1734-UM001D-EN-P - April 2008
158 Troubleshoot with the Indicators
Indication Probable Cause Recommended Action
POINTBus Status
Off Device not powered - check module status indicator. Apply power to device.
Alternating
red/green
LED power cycle test is present. None.
Flashing red Recoverable fault has occurred:
• At power up the number of expected modules does not equal
the number of modules present
• A module is missing
• Node fault (I/O connection timeout)
• Change chassis size to match
number of modules present.
• Replace missing module.
• Check for I/O Module failure and
correct, as needed.
Flashing green Adapter online with no connections established.
• Adapter chassis size has not been configured
• Controller in program/idle mode
• ControlNet cable break
• Firmware (NVS) update
• Set adapter chassis size.
• None.
• Check cable and connect, as needed.
• Complete firmware update.
Solid green Adapter online with connections established (normal operation, in
run mode)
None.
Solid red Unrecoverable fault occurred - the adapter is bus off. 1. Cycle power to device.
2. If condition persists, replace device.
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