Appendix - Fault Isolation

CABLE

CABPCU

CABPSU

CABPWR

CABTMP

CABTMP

CDCREG

CHARGE

DSKFAN

ENC OK

ENCFLT

FIBER

FIBER

HARD

HWFLT

ILLBRK

INVREG

IPS OK

IPSFlt

IS

LITEOK

MISSNG

PCI Power Cable Missing

Cabinet Power Control Unit Fault

Cabinet Power Supply Unit Fault

Broken Cabinet Power

Controller

Cabinet Battery Temperature Fault

Cabinet Temperature Fault Cabinet Data Registers Invalid

Charging Battery

Disk Fan Faulted/Missing SCSI Peripheral Enclosure OK

SCSI Peripheral Enclosure Fault

Cabinet Fiber-Optic Bus Fault Cabinet Fiber-Optic Bus OK

Hard Error

Hardware Fault

Cabinet Illegal Breaker Status

Invalid ACU Register

Information

IOA Chassis Power Supply

OK

IOA Chassis Power Supply Fault

In Service

Cabinet Fault Light OK

Missing replaceable unit

This PCI backpanel cable is not attached.

A power control unit faulted.

A power supply unit faulted.

A cabinet power controller failed.

A cabinet battery temperature above the safety threshold was detected.

A cabinet temperature above the safety threshold was detected.

The cabinet data collector is returning incorrect register information. Upgrade the unit.

A battery CRU/FRU is charging. To leave this state, the battery needs to be permanently bad or fully charged.

The disk fan either faulted or is missing.

The SCSI peripheral enclosure is OK.

A device in the tape/disk enclosure faulted.

The cabinet fiber-optic bus faulted. The cabinet fiber-optic bus is OK.

The driver reported a hard error. A hard error occurs when a hardware fault occurs that the system is unable to correct. Look at the syslog for related error messages.

The hardware device reported a fault. Look at the syslog for related error messages.

The cabinet data collector reported an invalid breaker status.

A read of the ACU registers resulted in invalid data.

The IOA chassis power supply is OK.

An I/O Adapter power supply fault was detected.

The CRU/FRU is in service. The cabinet fault light is OK.

The ACU on the DNCP Series 400-CO (PA-8500) is missing, electrically undetectable, removed, or

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Lucent Technologies PA-8500 manual Liteok Missng