Allen-Bradley 1788-EN2DNR, User Manual, Page: 70 / 78

70 Rockwell Automation Publication 1788-UM059B-EN-P - September 2015
Chapter 7 Diagnostic Web Pages
91 Bus-off condition detected on comm port.
Module is detecting communication errors Check DeviceNet connections and physical
media integrity. Check system for failed
slave devices or other possible sources of
network interference.
92 No network power detected on
communication port Provide network power. Make sure that
module drop cable is providing network
power to module comm port.
95 Application nonvolatile memory update in
progress Do nothing. Do not disconnect the module
while application nonvolatile memory
update is in progress. You lose any existing
data in the module’s memory.
96 COMM port in Test mode Do nothing.
97 Module operation halted by user command Check Module Command Register for HALT
bit set.
98 General firmware error Replace module.
99 System failure Replace module.
Status Code Description Action