Please Wait; Error Messages Related To Operator Panel Are Displayed; Ram Check In Progress" Or "Initializing" Display Is Kept Appearing - Oki C711 Maintenance Manual

Oki Data CONFIDENTIAL
Check item
(1-1-5) LSI operation check
I/F signal supplied Check if the signal is output to the OPE
from the CU/PU connector
board to the
Pin-2: Send data (Sending data from the CU/PU
Operator Panel
board)
board.
Pin-5: CLR
If it is normal, the signal is output always.
I/F signal supplied Check if the signal is output to the OPE
from the CU/PU connector
board to the
Pin-3: Send data (Sending data from the CU/PU
Operator Panel
board)
board.
If it is normal, the signal is output always.

(1-2) PLEASE WAIT

(If the message is left attended, the error number changes to "COMMUNICATION ERROR".)
Check item
(1-2-3) Implement version upgrade of the PU firmware
Version upgrade of When the PU firmware version upgrade is
the PU firmware completed, this display appears.
Check the PU firmware version number by using
the menu print or the maintenance function.

(1-3) Error messages related to Operator Panel are displayed.

Check item
(1-3-1) Error message
Error message Check the error contents by referring to the Error
Message List.
44205401TH Rev.1
Action to be taken
Check work
Replace the
of the CU/PU board or not. CU/PU board.
Replace the
of the CU/PU board or not. Operator Panel
board.
Action to be taken
Check work
If the message
reappears after
the power is re-
started again,
implement the
confirmations of
sections (1-3-1).
Action to be taken
Check work
Follow the
instruction.

(1-4) "RAM check in progress" or "Initializing" display is kept appearing.

at NG
Check item
(1-4-1) Operator Panel display freezes.
Operator Panel
display
at NG
at NG
7. Troubleshooting and repair procedure
Check work
"RAM check in progress" or "Initializing" display
is kept appearing.
Action to be taken
at NG
Replace the
ROM DIMM of
CU, or replace
the CU/PU
board.
Remove the
optional RAM
and SD Memory
card. Then
perform the
check.
If the check
result shows
NG, replace the
CU/PU board.
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