Rockwell Automation 1734-XXXX POINT I/O Digital and Analog Modules and POINTBlock I/O Modules User Manual
Page 153
Rockwell Automation Publication 1734-UM001E-EN-P - July 2013
Troubleshoot with the Indicators 155
Flashing red
1 Hz - Check_Configuration telegram rejected.
Max number of POINT I/O modules in master configuration
overridden.
2 Hz - SetPrm telegram rejected.
The first byte in user parameter data does not equal zero. Max
number of user parameter bytes overridden.
Check configuration.
Indication
Probable Cause
Recommended Action
Indication
Probable Cause
Recommended Action
POINTBus Status
Off
• No power supplied.
• Hardware check is in progress.
• Initialization is in progress.
Apply power.
Solid green
Normal operation present.
None.
Flashing red
1 Hz - Incorrect POINT I/O module installed.
POINT I/O module removed from backplane.
Verify module installation, no modules removed, and correct,
as needed.
Solid red
Critical link failure (BUS_OFF) is present.
Check network cabling, and correct, as needed.
Indicator
Indication
Probable Cause
Recommended Action
System Power
Off
System power not applied.
1. Verify field power is on.
2. Verify backplane power (load current) is not exceeded.
3. Replace 1734-APB adapter.
Green
System power (5V) present
None.
Field Power
Off
Field power not applied.
Apply field power (24V).
Green
Field power (24V) applied.
None.