Ricoh B286, Service Manual, Page: 241 / 622

SC Code Descriptions
SM 4-23 B286/B289
Tr
ouble
-
shooting
4.2.9 SC9XXX
Electrical total counter error
900 D
The total counter contains
something that is not a number.
! NVRAM incorrect type
! NVRAM defective
! NVRAM data scrambled
! Unexpected error from external
source
901 D Mechanical Total Counter
The mechanical counter is not
connected.
! Mechanical counter connection
loose, broken, defective
!
Replace the mechanical counter
910 B External controller error 1
911 B External controller error 2
912 B External controller error 3
913 B External controller error 4
914 B External controller error 5
The external controller
alerted the machine about
an error.
! Refer to the instructions for the external
controller
919 D External controller error 6
While EAC (External Application Converter),
the conversion module, was operating
normally, the receipt of a power line interrupt
signal from the FLUTE serial driver was
detected, or BREAK signal from the other
station was detected.
! Controller RW3600 power
outtage
! Controller RW3600
rebooted
! Connection to Controller
RW3600 loose