9-350 IBT Home Sensor
The IBT Home Sensor detected the IBT position strip before the IBT Belt made a complete rev-
olution.
Initial Actions
•
Ensure that the Transfer Belt is installed correctly.
•
Clean the IBT Home Sensor
(PL
5.4) and check for damage
•
Check the IBT drives for damage
(PL
Procedure
Remove the IBT Assembly. Enter
dC330
[004-002]. The IBT Motor operates.
Y
N
There is +24VDC from P/J551-3 on the I/F PWB to GND
Y
N
Go to the +24 VDC Wirenets
(Figure
Check the wires between
P/J551
and the IBT Motor
connections. If the wires are OK, replace the IBT Motor
replace the MCU PWB
(PL
13.1). If the problem continues, replace the I/F PWB
Enter
dC330
[004-014]. There is +5VDC from P/J533-A9 to A12 on the I/F PWB
Y
N
Go to
Figure 2
and check the wire from P/J533-A9 to
short circuit. If the wire is OK, replace the MCU PWB
replace the I/F PWB
(PL
9.1).
There is +3.3VDC from P/J533-A13 to A12 on the I/F PWB.
Y
N
Go to
Figure 2
and check the wire from P/J533-A13 to
short circuit. If the wire is OK, replace the MCU PWB
replace the I/F PWB
(PL
9.1).
A
Initial issue
DC 3535/2240/1632
1.1).
(Figure
1).
2) and troubleshoot the problem.
(Figure
1) for opens, shorts, or loose
(PL
1.1). If the problem continues,
P/J605
on the IBT Assembly for a
(PL
13.1). If the problem continues,
P/J605
on the IBT Assembly for a
(PL
13.1). If the problem continues,
Figure 2 9-350 Rap Circuit Diagram - IBT Home Sensor
A
Go to
Figure 2
and check the wires from
loose connection, or a short circuit. If the wires are OK, replace the IBT Home Sensor
If the problem continues, replace the MCU PWB
the I/F PWB
(PL
9.1).
(PL
9.1).
Figure 1 9-350 Rap Circuit Diagram - IBT Motor
02/03
2-181
P/J533
to the IBT Home Sensor for an open wire,
(PL
13.1). If the problem continues, replace
Status Indicator RAPs
(PL
5.4).
9-350