Allen-Bradley 1734-IM4 User Manual page 140

142 Troubleshoot with the Indicators
Indication Probable Cause
I/O Status
Off All outputs are inactive.
Yellow One or more output is active and under control.
Flashing red Open circuit detected - no load (Off-state only).
Solid red Short circuit detected (On-state only).
Indication Probable Cause
I/O Status
Off All outputs are inactive.
Yellow One or more outputs is active and under control.
Rockwell Automation Publication 1734-UM001E-EN-P - July 2013
1734-OB2E, 1734-OB4E, and 1734-OB8E Source Output Modules
1734-OB2E
Module Status
Module
Network Status
Status
Network
Status
NODE:
24VDC
Source
Output
Status of Output 0
0
Status of Output 1
1
1734
OB2E
Recommended Action
None.
None.
Connect load or disable no load detection.
Remove short or overloaded circuit.
1734-OB2, 1734-OB4, and 1734-OB8 Source Output Modules
1734-OB2
Module
Module Status
Status
Network
Network Status
Status
NODE:
24VDC
Source
Output
Status of Output 0 Status of Output 0
0
Status of Output 1 Status of Output 1
1
Status of Output 2
Status of Output 3
1734
OB2
1734-OB4E
Module Status
Module
Network Status
Status
Network
Status
NODE:
24VDC
Source
Output
Status of Output 0
0
Status of Output 1
1
Status of Output 2
2
Status of Output 3
3
1734
OB4E
1734-OB4
Module Status Module Status
Module
Status
Network Status Network Network Status
Status
NODE:
24VDC
Source
Output
Status of Output 0 & 4
0
1 Status of Output 1 & 5
2 Status of Output 2 & 6
Status of Output 3 & 7
3
1734
OB4
Recommended Action
None.
None.
1734-OB8E
Module Status
Module
Network Status
Status
Network
Status
NODE:
24VDC
Source
Output
Status of Output 0 & 4
0 4
Status of Output 1 & 5
1 5
Status of Output 2 & 6
2 6
Status of Output 3 & 7
3 7
1734
OB8E
1734-OB8
Module
Status
Network
Status
NODE:
24VDC
Source
Output
0 4
1 5
2 6
3 7
1734
OB8