IBM 3745 Problem Determination Manual page 207

Hex. Codes on Control Panel
Code
FF1
FF2
FF3
FF4
FF5
FF6
FF7
FF8
FF9
FFA
FFB
FFC
FFD
FFE
FFF
Explanation and Action
3745 IPL phase one. Depending on the configuration, this code may stay displayed up to 8
minutes. If it remains more than 8 minutes:
3745 IPL phase two. Depending on the configuration, this code may stay displayed up to 8
minutes. If it remains more than 8 minutes:
CO
3745 IPL phase three. Depending on the configuration, this code may stay displayed up to 8
minutes. If it remains more than 8 minutes:
CO
3745 IPL phase four. The control program is to be loaded from the host. If the 3745 is
link-attached, the time necessary to IPL the 3745 depends on the size of the load module and
line speed on the link.
If this code remains more fhan 5 minutes, after load is started at the host, go to Chapter 8,
"IPL Problems (From Host or Disk)."
Control program(s) being loaded (channel-attached 3745 only). Depending on the
configuration, this code may stay displayed up to 8 minutes. If it remains more than 8
minutes:
Control program(s) being loaded (link-attached 3745 only).
The control program is loaded.
Normal progression of the microprogram. If this code remains more than 2 minutes:
Switchback canceled on operator's request.
An error has been detected on the local console adapter during the IPL. Perform a console
link test (Chapter 17, "Console Link Test").
IPL canceled on operator's request.
Normal progression of the microprogram, if this code remains more than 2 minutes:
Fallback canceled on operator's request.
IPL complete in diskette mode.
IPL complete with non-disruptive errors.
MOSS is offline following operator's request (refer to the MOF function in the 3745 Advanced
Operations Guide).
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IBM 3745 Communication Controller: Problem Determination Guide
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