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Chapter 1. Analyzing Problems
Starting the Service Call
If you have a reference code, go to "Reference Codes" on page 1-2.
If you do not have a reference code, but you have a status code from the 9348
control panel, go to "Status Codes" on page 1-32.
If you do not have a reference code or a status code, go to the system console and
use the procedures the system has for analyzing the problem. For example, look in
the system error log to determine the reference code. Then go to "Reference
Codes" on page 1-2.
If you do not have a reference code because the tape unit cannot generate a refer-
ence code, power off this tape unit, then power it on again.
1
If
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xx or F999 occurs, go to "Status Codes" on page 1-32.
If the tape unit does not respond, go to "No Response Service Check" on page 1-35.
If you have a reference code that is not in "Reference Codes" on page 1-2, go to
reference code FFD7 on page 1-29.
If the operator or the system report excessive write or read errors, go to reference
code 0022 on page 1-6.
If the front panel access door will not open, go to the "Front Panel Assembly
Removal" on page 3-30 and "Front Panel Assembly Installation" on page 3-35 pro-
cedures and exchange the door solenoid.
If both density lights (1600 and 6250) are off or if both density lights are on when the
tape is loaded, then the tape is blank, written at some other density, or has a
damaged ID burst. Exchange the tape with a good tape.
If the File Protected light is always on when a tape is loaded with the write enable
ring in place, or the File Protected light will not come on when a tape is loaded with
the ring removed, go to reference code 0070 on 1-15.
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Copyright IBM Corp. 1989,l S92
1-1
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