Xerox 2510 Service Manual page 40

C
-
Cover lnterlock Open RAP
(2510 WI TAG 5; 251 5)
This code is displayed if the control logic
senses that one of the interlock switches or
the Thermistor PWB is open or disconnected.
The transport latching cover and upper
rear cover interlock switches are
actuated by magnets located on the
transport latching cover and the upper
rear cover.
Initial Actions
Ensure that the transport latching
cover
is
closed, and the upper rear
cover is installed.
Ensure that the connectors
PIJ 5,
9,
43, 44, 46, 47, and 58, are
connectedlseated properly.
Ensure magnets located on the
transport latching cover and the
upper rear cover are aligned with
their associated interlock switch.
Procedure
The INT
LED
on the
LVPS PWB Is
lit.
Y
N
Set the DMM to the
(
+
) 200 VDC scale.
Connect
( + )
to
PIJ5-4;
connect
(-)
to the
Ground test point on the HVPS (TP4).
There i s
+
19
to
+
35 VDC.
Y N
Go to
FLAG 1
and check the wiring
for and open circuit. If there i s no
open circuit, disconnect the
PIJ 47
connector.
A B C
C
Measure the resistance between pins
1
and
3
of the connector. Use a
magnet to check that the switch
opens and closes.
The Transport Cover lnterlock Switch
($5)
is good.
Y N
I
Replace the switch.
Replace the Thermistor PWB (A10).
mnect
( +
1
to PlJ5-3: connect
(-1
to the C c
Ground testFpoint on the
HVPS (TP4).
There is
+
19
to
+
35 VDC.
I
Replace the LVPS PWB (A2).
Connect (
+
) of the DMM to PIJ5-1.
There is
+
19 to
+
35 VDC.
Go to
FLAG 2
and check the wiring
for and open circuit. If there is no
open circuit, disconnect the PIJ 58
connector. Measure the resistance
between pins
1
and
3
of the
connector. Use a magnet to check
that the switch opens and closes.
The Upper rear Cover lnterlock
Switch
($4)
i s good.
I
Replace the switch.
Refer back to initial actions.
Connect (
+
) to PIJ9-13; connect (-) to the
Ground test point on the
HVPS (TP4).
There i s
+
19
to
+
35 VDC.
Y N
Go to FLAG 3 and check the wiring
for and open circuit. If there i s no
open circuit, replace the LVPS PWB
(A2).
Replace the Controller
PWB (A3).
Connect
(
+
)
to
PlJ9-13;
connect
(-)
to the
Ground test point on the HVPS (TP4).
There i s
+
19 to
+
35 VDC.
Y N
Go to FLAG 3 and check the wiring for
and open circuit. If there is no open
circuit, replace the LVPS PWB (A2).
Replace the Controller
PWB (A3).
6/93
C
-
Cover Interlock Open RAP (2510 WI TAG 5; 251 5)
2-8 25101251 5