44015503TH Rev. 1
181 /
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURE
Check item Check work
Action to be taken
at NG
(1-1-5) LSI operation check
I/F signal supplied
from the PU board
to the Operator
Panel board.
Check if the signal is output to the OPE
connector
of the PU board or not.
Pin-7: Send data (Sending data from the PU
board)
Pin-9: CLR
If it is normal, the signal is output always.
Replace the PU
board.
I/F signal supplied
from the PU board
to the Operator
Panel board.
Chec
k if the signal is output to the OPE
connector of the PU board or not.
Pin-6: Send data (Sending data from the PU
board)
If it is normal, the signal is output always.
Replace the
Operator Panel
board.
Note) However, for the Data Protection Kit –A3, refer to section 7.8.
(1-2) PLEASE WAIT
(If the message is left attended, the error number changes to “COMMUNICATION
ERROR”.)
Check item Check work
Action to be taken
at NG
(1-2-1) Check installation condition of printed circuit board
Connection
condition of the PU
board and CU board
Check the connection condition of the CU IF
connector
of the PU board, and check that of
the FFC connector of the CU board.
Connect the
FFC normally.
(1-2-3) Implement version upgrade of the PU firmware
Version upg
rade of
the PU firmware
When the PU firmware version upgrade is
completed, this display appears.
Check the PU firmware version number by using
the menu print or the maintenance function.
If the message
reappears after
the power is re-
started again,
implement the
confirmations of
sections (1-3-1)
and (1-3-2).
(1-3) Error messages related to Operator Panel are displayed.
Check item Check work
Action to be taken
at NG
(1-3-1) Error message
Error message Check the error contents by referring to the Error
Message List.
Follow the
instruction.
(1-4) Displaying as “RAM check” or “Initializing”.
Check item Check work
Action to be taken
at NG
(1-4-1) Operator Panel display freezes.
Operator Panel
display
Keep displaying “RAM Check" or "Initializing". Replace the
ROM DIMM of
CU, or replace
the CU board.
Remove the
optional RAM
and HDD. Then
perform the
check.
If the check
result shows
NG, replace the
CU board.
Note!
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