PowerVault ML6000 Maintenance Guide 305
T104
T104 - FC I/O Blade CAN Interface Failure
Description GUI Description: CAN communication to an FC I/O blade has failed.
Explanation: The FC I/O blade has two interfaces to the LCB, internal
Ethernet and CAN, and these interfaces are monitored. This RAS ticket is
generated when the LCB can no longer communicate with the FC I/O blade
via the CAN connection.
Detection Scenarios LCB cannot ping the FC I/O blade via the CAN interface.
Root Causes • CAN cables connecting the expansion module to the control module/
expansion module.
• Damaged module terminator or module-to-module cable with bent or broken
pins.
• FC I/O blade CAN bus interface.
Service Resolution
Steps
1 Perform DR064 - Resolve FC I/O Blade CAN Failure
on page 396.
2 Inspect the module terminators and module-to-module cables for loose
connectors or damage (bent or broken pins). If damaged, replace the part.
Reseat the terminators and cables.
Possible CRUs/FRUs Note: Read and perform all resolution steps before dispatching any parts.
Dispatch the first part listed below for replacement. If this does not solve the
problem, dispatch the second part, and so on, in order. Dispatch only one part
(or set of parts) at a time.
1 Module Terminators and Module-to-Module Cables
2 FC I/O Blade
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