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9.6 Fault Diagnostics—OBI
Troubleshooting the Controller and connected I/O devices is easy using the Onboard Interface. Any event that causes a Safety Output to
turn OFF or stay OFF (either for fault or input stop events) will be immediately detected and displayed on the Controller’s display. Further
information about current and past faults can be accessed using the Fault Diagnostics menu. To get to the Fault Diagnostics menu, press
OK from the Run mode menu. Select Fault Diagnostics and press OK.
The Diagnostics menu provides three choices:
1. View fault conditions that currently exist,
2. View faults that have been stored in the fault log, and
3. Clear the fault log.
Figure 53. Select Fault Diagnostics—OBI
9.6.1 View Current Faults—OBI
To view current fault conditions, select View Current Faults using the up/
down arrow buttons and press OK.
The screen shows the fault conditions that currently exist, one at a time.
Use the left/right arrow keys to view all the faults. (Shortcut: To view current
faults when the Run mode screen is displayed, simply press OK three
times.)
Figure 54. View current faults—OBI
• The top line of the Current Fault menu indicates which device has the fault.
• The second and third lines provide a brief description of the fault.
• The fourth line provides a suggestion for correcting the fault.
• The fifth line provides the fault code. Use the fault code and information in section
9.3.1 Troubleshooting Fault CodeTable on page 83
to obtain more information about the fault and additional suggestions for correcting it.
Use the left/right arrow (< and >) buttons to access fault information for all faulty devices.
Arrowheads designate location
of additional fault screens
Device Name
Fault Description
Suggested Remedy
Fault Code
Figure 55. Current Fault screens—OBI
SC22-3/-3E Safety Controller Instruction Manual
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