GBC FusionPunch II, Service Manual

Page: 44 / 430

GBC FusionPunch II Service Manual
RAP 3.1 Punch Interlock Switches
12/2003
2-20
6. Using the information in the following table,
check the continuity of the cable between
the Punch I/O PWB P25 pin corresponding
to the Interlock and the corresponding pin
on P3 on the Controller PWB.
The continuity is OK.
Y N
Replace the harness between P25
and P 3 (PL 6.1A).
Replace the Little Star Controller PWB (PL
3.1).
7. Using the information in the following table,
place a jumper between the signal input on
J19 and the 0 VDC pin on J19. With the
jumper in place, the corresponding Punch
I/O PWB LED should extinguish.
With the jumper in place, the corresponding
Punch I/O PWB LED extinguishes.
Y N
Replace the Punch I/O PWB (PL 3.1).
Re-connect P/J 19 and go to Step 7.
8. Isolate the +24 VDC circuit across the
interlock by disconnecting the two NO1
connectors. Check continuity across the
contacts while activating the interlock.
When the interlock is closed, there is
continuity across the NO1 contacts.
Y N
Replace the Interlock Switch (PL
1.1A).
Reconnect the NO1 connectors and go to
Step 8.
9. Isolate the circuit across the interlock by
disconnecting the two NO3 connectors.
Check continuity across the contacts while
activating the interlock.
When the interlock is closed, there is
continuity across the NO3 contacts.
Y N
Replace the Interlock Switch (PL
1.1A).
Reconnect the NO3 connectors and go to
Step 9.
10. With all other interlocks closed, check
continuity in the +24 VDC harness between
P/J 6-24V on the Punch AC/DC Distribution
PWB and P/J 6-24VI on the Punch AC/DC
Distribution PWB.
The continuity check is good.
Y N
Replace the harness (PL 6.1B).
Go to Step 10.
11. Ensure all other interlocks are closed.
Using the information in the table below,
check the harness between P/J 20 and P/J
19 on the Punch I/O PWB.
The continuity check is good.
Y N
Replace the harness (PL 6.1A).
Replace the Little Star Controller PWB (PL
3.1). If the problem is still present, replace
the Punch I/O PWB (PL 3.1).
Interlock Check
Top Covers P25-INB4 to P3-13
Left Door P25-INB3 to P3-14
Middle Door P25-INB2 to P3-15
Right Door P25-INB1 to P3-16
Interlock
Jumper
Between
Pins
I/O PWB
LED
Top Covers 0V and INA6 LIA6
Left Door 0V and INB3 LIB3
Middle Door 0V and INB2 LIB2
Right Door 0V and INB1 LIB1
Interlock P/J 20 Pin P/J 19 Pin
Top Covers 0V INA6
Left Door 0V INB3
Middle Door 0V INB2
Right Door 0V INB1