Kyocera FS-1900 - F020 - Main or Expanded Memory Error; F030 - General Failure; F040 - Communication Error; F070 - Flash ROM Error

6-22
FS-1900
(21) F020 - Main or expanded memory error
Meaning Suggested causes Corrective action
Checksum failed with
main memory (RAM)
on the main board or
expanded memory
(DIMM).
Defective system main memory (RAM) on the
main board (KP-948).
Defective main board (KP-948).
Defective expanding memory (DIMM) on the
main board (KP-948).
Replace main board (KP-
948).
Replace expanding
memory (DIMM).
Meaning Suggested causes Corrective action
Miscellaneous failure
with the main board,
other than F0, F010
and F020, above.
(22) F030 - General failure
Defective main board (KP-948).
Replace main board (KP-
948).
Meaning Suggested causes Corrective action
Communication
between the engine
board and the main
board is failed.
(23) F040 - Communication error
Defective gate array (U02) on the main board.
Connector failure between the engine board
(KP-864) and main board (KP-948).
Overrun in the engine system, deactivating the
program flash ROM (U202) on the engine
board (KP-864).
Replace the main board
(KP-948). See page 5-24.
Verify connector
connections.
Replace the engine board
(KP-864). See page 5-22.
(24) F070 - Flash ROM error
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).