4 Fault Isolation
4.3 Fault Isolation Concepts
R688 HPM High-Performance Process Manager Service 333
December 2020 Honeywell
Table 58 Communications and Control Processor Hard Failure Codes
Corrective Action
(See Table 57)
Reserved for future Supervisor
Subsystem crash codes.
Reserved for future IOP Failover
Subsystem crash codes.
Operating system has no SRBs
available.
Reserved for future Operating system
(MTOS) Subsystem crash codes.
SW EDAC unrecoverable Local RAM
PERR.
SW EDAC multiple Local RAM PERRs
failure.
SW EDAC unrecoverable I/O Link
RAM PERR.
SW EDAC multiple I/O Link RAM
PERRs failure.
Reserved for future Comm crash
codes.
Unused by Communications
processor.
Reserved for future Control crash
codes.
Flush address out of Control database
boundary.
Illegal SIZ-A1A0 combination.