Message Display is Blank
If the message display is blank, perform the following steps:
1. If power is not supplied to the rack or device, correct the problem before
you proceed to the next step.
2. Toturn on the main power supply, if the main service power to the
subsystem is not on, follow the operating procedures for your host system.
3. If the message display is blank after this procedure, call your service
representative.
Tape/Drive Read or Write Problems
See “AppendixA. Media/Hardware Problem Isolation”on page99.
76 3590 Operator Guide