IBM 3745 Problem Determination Manual page 205

Hex. Codes on Control Panel
Code
F60
F 6 1
F 6
2 to
FCF
FDO
F D 1
FD2
FD3
Explanation and Action
Error detected during MOSS IML. The IPL is not possible on the CCU.
Error detected during MOSS IML. The IPL is not possible on either CCU.
Re-IPL. If the problem persists:
CO
and give reference code of the related alarm D2
CO
and give the reference code of the related alarm 25 or D2.
:M9~~t#.:·::1~9.:·::j§:pi:::1:~qi:·:179:
r····················································]
Normal progression €)f the microprogram, if this code remains more than 2 minutes:
Completion of fallback.
Normal progression of the microprogram, if this code remains more than 2 minutes:
CO
Completion of fallback with errors.
Normal progression of the microprogram, if this code remains more than 2 minutes:
CO
Completion of switchback.
Normal progression of the microprogram, if this code remains more than 2 minutes:
CO
Completion of switchback with errors.
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IBM 3745 Communication Controller: Problem Determination Guide
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