Ricoh G065 - Page 147

SERVICE CALL CONDITIONS
SM 4-9 G065
Trouble-
shooting
SC Level Symptom Possible Cause
Communication timeout error
between BICU and finisher or
mailbox
621 C
A break (low) signal is received from
the finisher or the mailbox.
•
Serial line connecting BICU and
finisher unstable
•
External noise
Communication timeout error
between BICU and paper tray unit
623 C
The BICU does not receive a
response after 3 attempts within 100
ms to send data to the paper tray
unit.
•
Serial line connecting BICU and
paper tray unit unstable
•
External noise
•
BICU board and paper tray main
board connection defective or
loose
•
Paper tray main board defective
•
BICU board defective
Communication break error between
BICU and paper tray unit
624 C
The BICU cannot communicate with
the paper tray unit because it has
received a break signal.
•
Serial line connecting BICU and
paper tray unit unstable
•
External noise
•
BICU board and LCT main board
connection defective or loose
•
Optional paper feed unit interface
board defective
•
BICU board defective
Communication timeout error
between BICU and LCT
626 C
The BICU does not receive a
response after 3 attempts within 100
ms to send data to the LCT.
•
Serial line connecting BICU and
LCT unit unstable
•
External noise
•
BICU board and LCT main board
connection defective or loose
•
LCT interface board defective
•
BICU board defective
Communication break error between
BICU and LCT
627 C
The BICU cannot communicate with
the LCT unit because it has received
a break signal.
•
Serial line connecting BICU and
LCT unit unstable
•
External noise
•
BICU board and LCT main board
connection defective or loose
•
LCT interface board defective
•
BICU board defective
BICU control data transfer sumcheck
error
640 D
A sampling of control data sent from
the BICU to the controller reveals a
sumcheck error. Only the logging
count is performed.
•
Controller board defective
•
External noise
•
BICU board defective
BICU control data transfer abnormal641 D
Data send from BICU to controller
failed after 3 attempts.
•
Controller board defective
•
External noise
•
BICU board defective
Engine response error670 C
After powering on the machine, a
response is not received from the
engine within the specified time.
•
BICU defective
•
Controller board defective
GAVD block I
2
C bus error690 A
An error is detected in the GAVD
communication I
2
C control register of
the GABIC2.
•
I2C bus on BICU defective
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA