Unit installation

AR-C330 SELF DIAG MESSAGE AND TROUBLESHOOTING 10 - 12
Main
code
Sub
code
Title
Laser beam sensor trouble (BLACK)
E7 20 Phenomena Display Lamp
Message
Detail The laser beam sensor
cannot detect laser beam.
(The sensor signal does not
change.)
Section Scanner (writing)
Operation
mode
All modes
Note
Case 1 Trouble
position/
cause
Bad connection of the
signal line between the ICU
MAIN PWB and the scanner
(writing) unit.
Remedy (Check) Check connection
between the ICU MAIN
PWB and the scanner
(writing) unit.
(Repair) Replace the cable
and the connector between
the ICU MAIN PWB and the
scanner (writing) unit. /
Power Source-ON
(After-work)
Case 2 Trouble
position/
cause
Scanner (writing) unit
trouble (Scanner (writing)
motor trouble / Laser beam
sensor trouble / Optical
system dirt)
Remedy (Check) Check the scanner
(writing) unit operation.
(SIM 61-1)
(Repair) Replace the
scanner (writing) unit. /
Power Source-ON
(After-work) Adjust ADJM7/
ADJM9/ADJM10.
Case 3 Trouble
position/
cause
ICU MAIN PWB trouble
Remedy (Check)
(Repair) Replace the ICU
MAIN PWB. / Power
Source-ON
(After-work) Adjust ADJM9/
M10/M12/M13/M14/M15/
M17. / Re-enter setup
values and adjustment
values. (Install the
EEPROM of the defective
ICU MAIN PWB to a new
ICU MAIN PWB.)
Case 4 Trouble
position/
cause
Scanner (writing) unit power
line (24V/5V) trouble
Remedy (Check) Check the door
switch (DSWF). / Check the
fuse (F706).
(Repair) Replace the door
switch (DSWF). / Replace
the fuse (F706). / Power
Source-ON
(After-work)
Main
code
Sub
code
Title
Laser beam sensor trouble (CYAN)
E7 21 Phenomena Display Lamp
Message
Detail The laser beam sensor
cannot detect laser beam.
(The sensor signal does not
change.)
Section Scanner (writing)
Operation
mode
All modes
Note
Case 1 Trouble
position/
cause
Bad connection of the
signal line between the ICU
MAIN PWB and the scanner
(writing) unit.
Remedy (Check) Check connection
between the ICU MAIN
PWB and the scanner
(writing) unit.
(Repair) Replace the cable
and the connector between
the ICU MAIN PWB and the
scanner (writing) unit. /
Power Source-ON
(After-work)
Case 2 Trouble
position/
cause
Scanner (writing) unit
trouble (Scanner (writing)
motor trouble/Laser beam
sensor trouble/Optical
system dirt)
Remedy (Check) Check the scanner
(writing) unit operation.
(SIM 61-1)
(Repair) Replace the
scanner (writing) unit. /
Power Source-ON
(After-work) Adjust ADJM7/
ADJM9/ADJM10.
Case 3 Trouble
position/
cause
ICU MAIN PWB trouble
Remedy (Check)
(Repair) Replace the ICU
MAIN PWB. / Power
Source-ON
(After-work) Adjust ADJM9/
M10/M12/M13/M14/M15/
M17. / Re-enter setup
values and adjustment
values. (Install the
EEPROM of the defective
ICU MAIN PWB to a new
ICU MAIN PWB.)
Case 4 Trouble
position/
cause
Scanner (writing) unit power
line (24V/5V) trouble
Remedy (Check) Check the door
switch (DSWF). / Check the
fuse (F706).
(Repair) Replace the door
switch (DSWF). / Replace
the fuse (F706). / Power
Source-ON
(After-work)