Panasonic DP-C321 Service Handbook page 156

3-82
Y N
Replace the FINISHER PWB. (PL15.13)
Is +5 VDC measured between the FRONT DOOR
INTERLOCK SWITCH J891-3 (+) and GND (-)?
Y N
Check the wire between the FRONT DOOR
INTERLOCK SWITCH J891-3 and the FINISHER
PWB J851-3 for an open circuit or poor contact.
Is +5 VDC measured between the FRONT DOOR
INTERLOCK SWITCH J891-4 (+) and GND (-)?
Y N
Replace the FRONT DOOR INTERLOCK SWITCH.
(PL15.13)
Check the wire between the FINISHER PWB J851-4 and
the FRONT DOOR INTERLOCK SWITCH J891-4 for an
open circuit or poor contact.
Mismatching between the FRONT DOOR and the FRONT
DOOR INTERLOCK SWITCH.
Check the FRONT DOOR and FRONT COVER for improper
installation, the Actuator for breakage and bending, and the
Magnet for improper mounting.
012-303 H-TRA INTERLOCK OPEN
Description The H-TRA INTERLOCK SENSOR detected
OPEN.
Though it is possible to run the following Diag on
the machine not installed with the Finisher, an error
will be displayed.
BSD on : CH11.4 CH11.11A
Procedure
Block the H-TRA INTERLOCK SENSOR with a sheet of
paper, etc.
Has the display of 012-303 been cleared?
Y N
Is +5 VDC measured between the FINISHER PWB J845-
A2 (+) and GND (-)?
Y N
Replace the FINISHER PWB. (PL15.13)
Is +5 VDC measured between the H-TRA INTERLOCK
SENSOR J853-2 (+) and GND (-)?
Y N
Check the wire between the H-TRA INTERLOCK
SENSOR J853-2 and the FINISHER PWB J845-A2
for an open circuit or poor contact.
Is +5 VDC measured between the H-TRA INTERLOCK
SENSOR J853-1 (+) and 3 (-)?
Y N
Check the wire between the FINISHER PWB J845-
A1 and the H-TRA INTERLOCK SENSOR J853-1
and between the FINISHER PWB J845-A3 and H-
TRA INTERLOCK SENSOR J853-3 for an open
circuit or poor contact.If no problems are found,
replace the FINISHER PWB. (PL15.13)
Replace the H-TRA INTERLOCK SENSOR. (PL15.4)
Mismatching between the H-TRA OPEN COVER and the H-
TRA INTERLOCK SENSOR.
Check the H-TRACOVER for improper installation, the
Actuator for breakage and bending, and the Magnet for
improper mounting.
012-305 DOCKING INTERLOCK OPEN
Description The DOCKING INTERLOCK is open.
Though it is possible to run the following Diag on
the machine not installed with the Finisher, an error
will be displayed.
BSD on : CH11.1 CH11.11A
Procedure
Chapter 3 Troubleshooting
Block the DOCKING INTERLOCK SENSOR with a sheet of
paper, etc.
Has the display of 012-305 been cleared?
Y N
Is +5 VDC measured between the FINISHER PWB J850-
B11 (+) and GND (-)?
Y N
Replace the FINISHER PWB. (PL15.13)
Is +5 VDC measured between the DOCKING
INTERLOCK SENSOR J866-2 (+) and GND (-)?
Y N
Check the wire between the DOCKING
INTERLOCK SENSOR J866-2 and the FINISHER
PWB J850-B11 for an open circuit or poor contact.
Is +5 VDC measured between the DOCKING
INTERLOCK SENSOR J866-1 (+) and 3 (-)?
Y N
Check the wire between the FINISHER PWB J850-
B12 and the DOCKING INTERLOCK SENSOR
J866-1 and between the FINISHER PWB J850-B10
and DOCKING INTERLOCK SENSOR J866-3 for
an open circuit or poor contact. If no problems are
found, replace the FINISHER PWB. (PL15.13)
Replace the DOCKING INTERLOCK
(PL15.13)
Mismatching between the Actuator and the DOCKING
INTERLOCK SENSOR. Check the Sensor for improper
installation, the Actuator for breakage and bending, and the
FINISHER and the Main Unit for the docking failure.
SENSOR.