Rap 2.45 Knife Slow-Down Sensor - Challenge CMT-130TC Service Manual

RAP 2.45 Knife Slow-Down Sensor

Input 9
The knife slow-down sensor is located inside the
rear door near the lower end of the knife height
adjustment rod (Figure 2-69). The sensor cable
is labelled "F2"
Possible Fault Indicators

"Knife failed to reach Slow
Down Prox" message is displayed.
Initial Actions
Check and repair loose or damaged wire 36 at
the electrical panel.
The following procedure must be performed with
the knife up.
Procedure
1. Switch the main power ON and go to the di-
agnostic screen (GP 6.2 Input/Output Diag-
nostics). Does the diagnostic screen show
input "Knife Slowdown" off?
Y N
Disconnect wire 36. On the diagnostic
screen does input "Knife Slowdown" switch
off?
Y N
Disconnect power and replace the con-
sole PWB (REP 4.24 Console PWB Re-
placement).
Adjust the sensor (GP 6.5 Proximity Sen-
sors) and replace if faulty (PL 5.4 Main As-
sembly 59000 (4/14)).
2. Short wire 36 to 74. On the diagnostic
screen does input "Knife Slowdown" switch
on?
CMT-130TC Book Trimmer
Y N
Disconnect power and replace the console
PWB (REP 4.24 Console PWB Replace-
ment).
3. Adjust the sensor (GP 6.5 Proximity Sen-
sors) and replace if faulty (PL 5.4 Main As-
sembly 59000 (4/14)).
Figure 2-69. Knife Slow-Down Sensor
MAY 2019
2-53 2. Status Indicator RAPs