1785-UM022B-EN-P - February 2002
B-10 Processor Status File
231 Bypassed qualification (may occur during race condition when both processors attempt to go into Run
mode at the same time).
Transition the PLC-5
processors into Run mode
one at a time.
232 Both processors attempted to be primaries. Check all media for broken
cables, loose connectors,
missing terminators, etc.
233 ControlNet configuration invalid on transition into Run mode. Reconfigure the ControlNet
channel.
234 Failed Qualification. Refer to the qualification
major faults troubleshooting
table later in this chapter.
235
Illegal invalid backup state Cycle power to the
processor. If the fault
reoccurs, contact Rockwell
Automation Technical
Support at 440-646-6800
236
Illegal No Control backup state Cycle power to the
processor. If the fault
reoccurs, contact Rockwell
Automation Technical
Support at 440-646-6800
237
Illegal Primary/Secondary backup state Cycle power to the
processor. If the fault
reoccurs, contact Rockwell
Automation Technical
Support at 440-646-6800
238
Incompatible firmware revisions Install the same series and
revision of firmware into
both hot backup PLC-5
processors
239
ControlNet keeper mismatch Use RSNetworx to make the
PLC-5 processor a valid
keeper
This
fault
code: Indicates this fault: And the fault is:
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