
Oki Data CONFIDENTIAL
44158801TH Rev.2
227 /
(1-3) PLEASE WAIT
(The display changes to “COMMUNICATION ERROR” if you leave them as they are)
Confirmation Items
Confirmation Tasks
Action at NG
(1-3-1) Check of installed state of PCB
Connected state between
PU PCB and CU PCB
Check the engagement between the CUIF connector
of the PU PCB and the FFC connector of the CU PCB.
(Engagement between PU and CU PCBs)
Connect the FFC
properly.
Check to see if the option
RAM DIMM/HDD is used
in the CU PCB.
Does the PCB operate after the RAM DIMM or HDD is
removed?
Check for a skew insertion or incomplete insertion.
Is the RAM DIMM/HDD a genuine part?
Correct the inserted
state of the DIMM.
Replace the optional
item, if necessary.
(1-3-3) Execution of upgrading of PU firmware version
Upgrading of PU firmware
version
This indication will be produced following upgrading of
the PU firmware version.
Verify the PU version by conducting Menu Print or using
the maintenance function.
If the error recurs
even after the
power is turned on
again, conduct the
checking of (1-3-1)
and (1-3-2).
(1-4) An error message related to the operation panel is displayed.
Confirmation Items
Confirmation Tasks
Action at NG
(1-4-1) Error messages
Error messages
Check the details in the Error Message Table.
Follow the
instructions.
(1-5) “RAM CHECK” or “INITIALIZING” are displayed
Confirmation Items
Confirmation Tasks
Action at NG
(1-5-1) Indications on the operator panel freeze.
Operator panel indications
The indication of "RAM CHECK" or "INITIALIZING"
remains on permanently.
Replace the ROM
DIMM of the CU
PCB or the CU PCB.
Check to see if the option
RAM DIMM/HDD is used
in the CU PCB.
Does the PCB operate after the RAM DIMM or HDD is
removed?
Check for a skew insertion or incomplete insertion.
Is the RAM DIMM/HDD a genuine part?
Correct the inserted state of the DIMM.
Replace the optional
item, if necessary.