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3745 Panel Codes
Table 1-5 (Page 25 of 33). Panel Codes. An
following a panel code denotes that the code should 'Blink'.
Panel
Code
Definition
Action: Go to “3745 FRU Group
Table” on page 1-49
or to MAP number
D20
Moss level 0 error detection; Disk errors during
IML/Dump;
Indeterminate equipment check (hardware error in
adapt.)
Exchange the FRU group 44
D21 Unused
Go to “MAP 3220: Undefined Panel
Message” on page 2-5
D22
Moss level 0 error detection; Disk errors during
IML/Dump; Device (SCA) ready (hardware error in
adaptor)
If loading from diskette (function 9
from the control panel) then exchange
the FRU group 45; if loading from
HDD then exchange the FRU group
46
D23 to D27 Unused
Go to “MAP 3220: Undefined Panel
Message” on page 2-5
D28
Moss level 0 error detection; Disk errors during
IML/Dump; Seek check (DATA transmission problems)
Exchange the FRU group 44
D29 to D2F Unused
Go to “MAP 3220: Undefined Panel
Message” on page 2-5
D30
Moss level 0 error detection; Disk errors during
IML/Dump; Device (SCA) not ready (no error)
If loading from diskette (function 9
from the control panel) then ensure
the diskette is correctly inserted and
that the diskette drive operator handle
is closed. If no problem in this area,
then exchange the FRU group 45
If loading from HDD then exchange
the FRU group 46
D31
Moss level 0 error detection; Disk errors during
IML/Dump; Control record found (error/not successful
class. sequence errors)
If loading from diskette (function 9
from the control panel) then exchange
the FRU group 45; if loading from
HDD then exchange the FRU group
46
D32
Moss level 0 error detection; Disk errors during
IML/Dump; Sector Buffer Parity error
Exchange the FRU group 44
D33
Moss level 0 error detection; disk errors during
IML/dump;
Termination error with no specific error
If loading from diskette (function 9
from the control panel) then exchange
the FRU group 45
if loading from HDD then exchange
the FRU group 46
D34
Moss level 0 error detection; disk errors during
IML/dump; Cylinder overrun
D35
Moss level 0 error detection; disk errors during
IML/dump; Write/Protect fault with FDD
The installed diskette is 'Write pro-
tected'. Replace the diskette with an
equivalent which permits writing.
D36
Moss level 0 error detection; disk errors during
IML/dump; Write fault with HDD
Go to
IBM 3745 Service Functions
D37
Moss level 0 error detection; disk errors during
IML/dump; Halt during a CHIO operation
Exchange the FRU group 7
D38
Moss level 0 error detection; disk errors during
IML/dump; I/O bus parity error
D39
Moss level 0 error detection; disk errors during
IML/dump; CCB with no active CSB
Exchange the FRU group 44
D3A
Moss level 0 error detection; disk errors during
IML/dump; Invalid command in CCB or SSB
D3B
Moss level 0 error detection; disk errors during
IML/dump; ERP invoked by DFA
If loading from diskette (function 9
from the control panel) then exchange
the FRU group 45; if loading from
HDD then exchange the FRU group
46
D3C
Moss level 0 error detection; disk errors during
IML/dump; internal parity error
Exchange the FRU group 44
D3D
Moss level 0 error detection; disk errors during
IML/dump; data error (SSB byte 1)
If loading from diskette (function 9
from the control panel) then exchange
the FRU group 21 If loading from
HDD then go to
IBM 3745 Service
Functions
Chapter 1. START: How to Begin Troubleshooting 1-39