Peripherals - Ricoh Aficio 480W Dolphin-C2 Service Manual

SERVICE CALL CONDITIONS
SC672 C Controller startup error
• After power on, the line between
the controller and the operation
panel did not open for normal
operation.
• After normal startup,
communication with the
controller stopped.
SC818 C Watchdog error
While the system program is
running, a bus hold or interrupt
program goes into an endless loop,
preventing any other programs from
executing.
SC819 C Fatal kernel error
Due to a control error, a RAM
overflow occurred during system
processing. One of the following
messages was displayed on the
operation panel.
0x696e
0x766d
4361
Other
NOTE:
For more details about this SC code error, execute SP5990 to print an SMC
report so you can read the error code. The error code is not displayed on the
operation panel.
SC820 C Sellf-diagnostic error 1: CPU
An unexpected error occurred,
or the boot monitor program or
self-diagnostic program
generated an interrupt. In either
case, this is a fatal error.
Note: This SC displays up to approximately 50 number codes. These codes
are used to find design problems and have no meaning for service
technicians. The procedure for solving the problem is the same in every
case.
init died
vm_pageout: VM is full
Cache Error
4-10
• Controller stalled
• Controller installed incorrectly
• Controller board defective
• Operation panel harness disconnected or
defective
• System program defective; switch off/on,
or change the controller firmware if the
problem cannot be solved
• Controller board defective
• Replace peripheral device
• System program defective
• Controller board defective
• Optional board defective
• Replace controller firmware
• Replace the controller board
• Update (upload again) all firmware
modules to restore the boot program
and the self-diagnostics.
28 April 2005