B140 SERIES AND G126 SERVICE MODE
SM 4-51 B064 Series/B140 Series/G126
Trouble-
shooting
SC600: Data Communication
SC No. Symptom Possible Cause
BICU Ù ADF communication/timeout abnormal 610 D
After 1 data frame is sent to the
ADF, an ACK signal is not received
within 100 ms, and is not received
after 3 retries.
• Serial line connection unstable
• External noise on the line
BICU Ù ADF communication/break reception abnormal 611 D
During communication a break
(Low) signal was received from the
ADF.
• Serial line connection unstable
• Harness disconnected or defective
BICU Ù ADF communication/command abnormal 612 D
A command that cannot be
executed was sent from the main
machine to the ADF.
• A software error, result of an abnormal
procedure.
BICU Ù ADF communication/timeout error 620 D
After 1 data frame is sent to the
finisher MBX, an ACK signal is not
received within 100 ms, and is not
received after 3 retries.
• Serial line connection unstable
• External noise on the line
BICU Ù Finisher communication/break error 621 D
During communication with the
finisher MBX, the BICU received a
break (Low) signal from the finisher.
• Serial line connection unstable
• External noise on the line
BICU Ù Tray 1~4 communication/timeout error 623 D
After 1 data frame is sent to the
trays, an ACK signal is not received
within 100 ms, and is not received
after 3 retries.
• Serial line connection unstable
• External noise on the line
BICU Ù Tray 1~4 communication/break reception error 624 D
During communication with the
finisher trays, the BICU received a
break (Low) signal.
• Serial line connection unstable
• External noise on the line
BICU Ù LCT communication/timeout error 626 D
After 1 data frame is sent to the
LCT, an ACK signal is not received
within 100 ms, and is not received
after 3 retries.
• Serial line connection unstable
• External noise on the line
BICU Ù LCT communication/break reception error 627 D
During communication with the
LCT, the BICU received a break
(Low) signal.
• Serial line connection unstable
• External noise on the line
RSS communication error 630 C
An error was detected in
communication via RSS between
the machine and the RSS center.
Error occurred on a public line at
the RSS terminal.
• No action required
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