4 Fault Isolation
4.3 Fault Isolation Concepts
R688 HPM High-Performance Process Manager Service 325
December 2020 Honeywell
Table 58 Communications and Control Processor Hard Failure Codes
Corrective Action
(See Table 57)
Could not change Event Collector
task's priority.
Did not receive a resume from IOL l/F
task within 30 seconds for completion
of SIOM ECL Summary byte
collection.
Could not return Event Collector task
to its inherent priority.
Illogical condition, received an OK IOL
message but response has
unexpected internal size.
Resource error on UM$SEND_IOL call
for initiation of collection of next SIOM
ECL.
Illegal return status on LEF reset.
Illegal SIOM state change event.
Illegal SIOM bracket event.
Illegal UM or IOM event in system
event.
Bad resume on recovery task.
Bad resume on event tasks.
Request to Control failed.
Changing priority failed.
Improper copy of event flags.
Improper resetting of event flags.
Improper timed event setting.
Distributor COPY flags failure.
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