Dell PowerVault ML6000 Maintenance Manual page 308

T088 - Invalid Library Service Tag Warning
Possible CRUs/FRUs
290
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 (EM or CM) — only dispatch this FRU if the label is missing or
damaged.
Troubleshooting the Tape Library