4–3
Troubleshooting
Publication
17946.5.3 - May 1996
Additional Faults and Module Displays
Local
Fault
Adapter
Fault
Adapter
Active
Fault Condition Actions Fault Reset
Random Access Memory fault.
Reset outputs. Stop
communicating on remote I/O
link.
Cycle power. (This may not
correct fault.
Off On Off
Read Only Memory fault (on
powerup only).
Outputs remain reset.
Communication never starts.
.
If this does not correct the fault,
replace the module with a known
good module and return the bad
Internal watchdog timer timed
out.
Try to reset outputs. Stops
communicating on the remote I/O
link.
good module, and return the bad
module to the factory for repair.
In this chapter you learned how to use the indicators on the front of
the module to troubleshoot your module.
Chapter Summary