Kyocera DISCOVER FS-3830N, Service Manual

Page: 64 / 176

2FP/2FY/2FR
1-5-14
Code Contents
Remarks
Causes Check procedures/corrective measures
Main or expanded memory error
•
Checksum failed with main memory
(RAM) on the main board or
expanded memory (DIMM).
General failure
•
Miscellaneous failure with the main
board, other than F0, F010 and F020,
above.
Communication error
•
Communication between the engine
board and the main board is failed.
Flash ROM error
•
CPU U1 of engine board could not
write data failed to flash ROM U2.
Write sequence to flash ROM is not
successful. Verify error. (Written data
does not match the original data.)
Defective system
main memory
(RAM) on the
main board (KP-
1059*
1
/893*
2
*
3
).
Defective main
board (KP-1053*
1
/
1033*
2
*
3
).
Defective expand-
ing memory
(DIMM) on the
main board (KP-
1053*
1
/1033*
2
*
3
).
Defective main
board (KP-1053*
1
/
1033*
2
*
3
).
Defective gate
array (U02) on the
main board.
Connector failure
between the en-
gine board (KP-
1081) and main
board (KP-1053*
1
/
1033*
2
*
3
).
Overrun in the
engine system,
deactivating the
program flash
ROM (U2) on the
engine board (KP-
1081).
Defective CPU U1
or gate array U7
or flash ROM U2
on the engine
board (KP-1081).
Defective system main memory (RAM) on
the main board (KP-1053*
1
/1033*
2
*
3
).
Defective main board (KP-1053*
1
/
1033*
2
*
3
).
Defective expanding memory (DIMM) on
the main board (KP-1053*
1
/1033*
2
*
3
).
Replace main board (KP-1053*
1
/1033*
2
*
3
).
Replace the main board (KP-1053*
1
/
1033*
2
*
3
). See page 1-6-24.
Verify connector connections.
Replace the engine board (KP-1081). See
page 1-6-20.
Replace engine board (KP-1081).
F020
F030
F040
F070