CSLS fault detection, system response, and repair procedures > SIS CHARMs logic solver diagnostic parameters

CSLS IOStatus diagnostic parameter

Name Context Path Description

IOStatus

CSLS

CSLS_NAME/IO_STATUS,

CSLS_NAME/REDU/STBY/IO_STATUS

Status of the IO Subsystem

Conditions Meaning Mapping Impacts Integrity

Primary Charm Bus Unavailable

The primary bus indicates a fault

Maintenance, Failed

Y

Secondary Charm Bus Unavailable

The secondary bus indicates a fault

Maintenance, Failed

Y

CHARMbus Termination Error

The CHARM bus terminator is likely missing

Advise

Y

LS CHARM Mismatch

One or more LS CHARMs do not match the configuration

Advise

N

LS CHARM No Comm

One or more LS CHARMs are not communicating

Maintenance

N