Rockwell Automation T80020 Application Note Diagnostic Procedures - Manual (Page 44)

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AN-T80020 Diagnostics Procedure
Issue 12 Feb 11 AN-T80020 44
HIU_ISL_CRC_ERR
0x1008
Modules:All except 8442, 8472,
8473, 8480 This indicates a data check failure on data from the other slices over
the inter-slice link. Detects a corrupted ISL link, including faulty ISL
RAM in the sending or receiving slice.
If a slice is offline, these faults are common in the remaining two slices
and can be ignored. If all slices are online, and the fault is persistent,
return the module for repair.
Action:Slice fault
HIU_ISL_STUCK_U_ERR
0x1009
Modules:Input This indicates stalled communications with the ‘upstream’ slice.
If the fault is persistent, return the module for repair.
Action:Slice fault
HIU_ISL_STUCK_D_ERR
0x100A
Modules:Input This indicates stalled communications with the ‘downstream’ slice.
If the fault is persistent, return the module for repair.
Action:Slice fault
HIU_HKAD_ERR
0x101n
Modules:All
Subcode: n = HKAD channel
5V HIU, n = 0 to 7
3.3V HIU, n = 0 to 10 This test verifies min/max limits on the host interface (HIU)
Housekeeping A/D (HKAD) channels. Detects faulty operation of the
HIU power system and overload faults on the HIU and front panel unit.
It also detects errors in the Housekeeping A/D and its serial link to the
host interface ASIC. The HKAD data can be checked with the
command ‘get reg HKAD’.
These faults may be tripped by severe genuine power supply voltage or
temperature excesses (at 37 volts or 90 degC). Due to the likely
damage and ageing, the advice remains:
Return the module for repair.
Action:Slice OFFLINE
HIU_SSL_ERR
0x1020
Modules:All This test compares the received SSL (Smart Slot Link) tag from the
partner module, to the value that the MP says should be received.
Verifies that the SSL connection between partnered modules is
operational. It detects opens and shorts on one or more of the smart
slot links.
In order for this fault to be detected, the module must already be
partnered. If the module is inserted without the Smart Slot jumper
cable, the MP will not partner the module and the fault will not be
detected.
The fault is not consistently indicated on both the ACTIVE and
STANDBY modules, although it is always reported on the STANDBY
module.
During a hot swap, if the new module indicates faults, try another
module. If the second module is successful, send the first for repair.
When swapping back from a Smart Slot to a default slot, always
remove the Smart Slot module from the chassis before disconnecting
the cable. If the cable is removed first, this fault will occur and the
processor will swap back to the Smart Slot module, which is now
disconnected from the field.
Action:Slice fault