Kyocera FS-1800 - ED Flash ROM Error; F0 LCD Controller Board Error

6-23
FS-1800/1800N | FS-3800/3800N
(19) ED Flash ROM error
(20) F0 LCD controller board error
(21) F1 System DIMM [board] error
Meaning Suggested causes Corrective action
Communication is
failed between the
LCD controller board
(KP-738) and the main
board.
*1
: FS-1800/1800N
*2
: FS-3800/3800N
• Defective system DIMM [board KP-710
*1
/
KP-689
*2
].
• Defective main board (KP-777
*1
/KP-858
*2
).
• LCD controller board (KP-738).
Replace system DIMM
[board KP-710
*1
/KP-
689
*2
] or main board (KP-
777
*1
/KP-858
*2
).
Replace LCD controller
board (KP-738).
Meaning Suggested causes Corrective action
Checksum failed with
system DIMM [board
KP-710
*1
/KP-689
*2
]
on the main board.
*1
: FS-1800/1800N
*2
: FS-3800/3800N
• Defective system DIMM [board KP-710
*1
/
KP-689
*2
].
• Improper system DIMM [board KP-710
*1
/
KP-689
*2
] insertion to system DIMM slot
on the main board (KP-777
*1
/KP-858
*2
).
Replace system DIMM
[board KP-710
*1
/KP-
689
*2
] or main board (KP-
777
*1
/KP-858
*2
).
Reinsert the system
DIMM [board KP-710
*1
/
KP-689
*2
].
Meaning Suggested causes Corrective action
CPU U201 of engine
board could not write
data failed to flash
ROM U202. Write
sequence to flash
ROM is not successful.
Verify error. (Written
data does not match
the original data.)
• Defective CPU U201 or gate array U204 or
flash ROM U202 on the engine board (KP-
864).
Replace engine board
(KP-864).