IBM i 830, Repair Manual

Page: 153 / 1000

Reference
Code Description/Action Perform all actions before exchanging
Failing Items Failing Item
9900 Licensed Internal Code for tape unit was not upgraded
The I/O processor loading of Licensed Internal Code (LIC)
to the programmable tape unit was not completed.
The tape unit will continue to operate with the previous
LIC. You may do either of the following:
v
Wait for next IPL when the system will attempt to load
the LIC for the tape unit again.
v
Perform “TU-PIP4” on page 453 to reset the IOP and the
tape unit. When the IOP is reset, if the device has the
wrong level of LIC, the IOP will attempt to load the
new LIC.
Axxx, Bxxx,
Cxxx, Dxxx,
Exxx, F00x Tape unit failure
Use online problem analysis and the 3490 Tape Unit
service information to continue analyzing the problem.
FFD5 Device error reported; tape I/O processor
Verify the following:
1. That power is switched on in the 3490 Tape Unit Rack:
v
Set the 3490 Rack Unit Emergency Power Off switch
to the On position.
v
Ensure that the 3490 Rack Enable/Off switch is set
to the Enable position.
v
Press the 3490 Rack Power On button.
2. Verify the following on 3490 Tape Unit:
v
The Channel Enable/Disable switches are set to the
Enable position.
v
The Normal/Test switch is set to the Normal
position.
v
The CU Online/Offline switch is set to the Online
position.
v
The Drive Address Online/Offline switches are set
to the Online position.
v
The Drive DC Power switches are set to the On
position.
If you are attempting to perform an IPL from the device
that had the error, verify that the drive control unit
address switch has an address of hexadecimal 7 and the
drive unit address switch has an address of 0.
Use the 3490 Tape Unit service information to continue
analyzing the problem.
UHK0003
DHK0002
FFF6 Volume statistics; logged only
No action required. This reference code is logged for
information only.
3490
Chapter 2. Unit Reference Codes
139