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