9-349 1st BTR Retract
The 1st BTR did not reach the retract position.
Initial Actions
•
Clean the 1st BTR Retract Sensor
(PL
•
Check the 1st BTR Worm Gear and Retract Shaft
Procedure
In sequence, enter the following:
dC330
[009-054] then dC330 [009-055]. The 1st BTR con-
tacts and retracts.
Y
N
There is +24VDC from P/J533-A16 on the I/F PWB to GND
Y
N
Go to the +24 VDC Wirenets
(Figure
A
B
Initial issue
DC 3535/2240/1632
5.4) and check for damage.
(PL
5.4) for breakage.
(Figure
2).
2) and troubleshoot the problem.
Figure 1 9-349 Rap Circuit Diagram - 1ST BTR Retract Sensor
A
B
Check the wires between
P/J533
opens, shorts, or loose connections. If the wires are OK, replace the 1st BTR Retract
Motor
(PL
5.4). If the problem continues, replace the MCU PWB
continues, replace the I/F PWB
Stack
dC330
input codes [004--014] (1st BTR Retract Sensor Power) and [009-203] (1st BTR
Retract Sensor). Then, in sequence, enter the following:
055]. The 1st BTR Retract Sensor changes state.
Y
N
Go to
Figure
1.Check the circuit of the 1st BTR Retract Sensor
Replace the MCU PWB
(PL
13.1).
02/03
2-179
and
P/J237 (Figure
2) on the 1st BTR Retract Motor for
(PL
13.1). If the problem
(PL
9.1).
dC330
[009-054] then dC330 [009-
(PL
5.4).
Status Indicator RAPs
9-349