Ricoh Aficio 1515 Service Manual page 92

SERVICE CALL CONDITIONS
No.
Definition
762 B ADF gate abnormal 3
The ADF continues to send the FGATE
signal for more than 60 seconds after
the ADF starts scanning.
800 B Video transfer error 1
The BICU does not report the video
transfer completion within the specified
time.
804 B Video transfer error 2
The scanner does not report the video
transfer completion within the specified
time.
818 B Watchdog error
Some data path is exclusively held or
some eternal loop occurs; no other
process can run.
819 B Kernel error
An error occurs in the kernel.
820 B Self-diagnostic error: CPU
• An unexpected exception or
interruption occurs during the self-
diagnostic test.
• An error is detected in the MBU.
821 B Self-diagnostic error: ASIC
The ASIC returns an error during the
self-diagnostic test.
823 C Self-diagnostic error: Network interface
The network interface board returns an
error during the self-diagnostic test.
824 B Self-diagnostic error: NVRAM
The resident NVRAM returns an error
during the self-diagnostic test.
826 B Self-diagnostic error: RTC/Optional NVRAM
The RTC returns an error or the
controller does not detect the RTC
during the self-diagnostic test.
827 B Self-diagnostic error: RAM
An error is detected in the resident
RAM during the self-diagnostic test.
828 B Self-diagnostic error: ROM
An error is detected in the resident
ROM during the self-diagnostic test.
829 C Self-diagnostic error: Optional RAM
An error is detected in the optional
RAM during the self-diagnostic test.
838 B Self-diagnostic error: Clock Generator
An error is detected in the clock
generator during the self-diagnostic
test.
Symptom
4-6
Possible Cause
• Defective ADF connector
• Defective SBU board
• Defective controller
• Defective controller
• Defective controller
• Defective firmware
• Defective optional unit
• Defective controller
• Defective firmware
• Defective controller
• Defective firmware
• Loose MBU jumper (☛ Fax Service
Manual 2.2.3)
• Defective controller
• Defective network interface board
• Defective controller
• Defective NVRAM on the controller
• Defective controller board
• Defective controller
• Defective firmware
• Defective controller
• Defective controller
• Defective firmware
• Defective optional RAM
• Defective controller
• Defective controller
9 March 2004