Ricoh Russian-C2a - Page 294

SERVICE CALL CONDITIONS 10 August, 2001
7-8
Code No. Symptom Possible Cause
Finisher shift motor error (1000-sheet
finisher)
732 B
Roller shift does not finish within a
certain time after the shift motor turned
on.
• Shift motor defective
•
Shift tray HP sensor defective
Bridge communication error791 B
The SBCU cannot communicate with
the bridge unit properly when the
finisher is installed.
• Poor connection between the main
machine and bridge unit
• SBCU board defective
Finisher connection error792 B
The SBCU cannot communicate with
the finisher properly when the bridge
unit is installed.
• Poor connection between the finisher
and bridge unit
•
SBCU board defective
Interchange communication error793 B
The SBCU cannot communicate with
the interchange unit properly when the
duplex unit is installed.
• Poor connection between the
interchange unit and main machine
•
SBCU board defective
Startup without video output end error
(K)
800 D
Video transfer to the engine is started,
but the engine did not issue a video
transmission end command within the
specified time.
Controller board defective
Startup without video input end (K)804 D
A video transmission was requested
from the scanner, but the scanner did
not issue a video transmission end
command within the specified time.
Controller board defective
Watchdog error818 D
The CPU does not access the
watchdog register within a certain time.
• Controller
board defective
• Software malfunction – download
controller firmware again
Kernel mismatch error819 D
Software bug
Download controller firmware again
Self-Diagnostic Error: CPU820 D
The central processing unit returned an
error during the self-diagnostic test.
• Controller board defective
• Download controller firmware again
Self-Diagnostic Error: ASIC821 D
The ASIC returned an error during the
self-diagnostic test because the ASIC
and CPU timer interrupts were
compared and determined to be out of
range.
Controller board defective
Self-Diagnostic Error: HDD822 D
The hard disk drive returned an error
during the self-diagnostic test.
• HDD defective
• HDD connector defective
•
Controller board defective
Self-diagnostic Error: NIB823 D
The network interface board returned
an error during the self-diagnostic test.
• Network interface board defective
•
Controller board defective
Self-diagnostic Error: NVRAM824 D
The resident non-volatile RAM returned
an error during the self-diagnostic test.
• Replace the NVRAM on the
controller board
•
Replace the controller board