52
- FORM NO. 56043126 - CR 1100, CR 1200
SCRUB SYSTEM
TROUBLESHOOTING GUIDE
Possible Symptom
1
Scrub deck will not raise
Note: Do all testing with the key switch on, the hopper closed.
Press the scrub off
switch, is its green
indicator light on?
Substitute a new A2 display panel.
Does the scrub deck raise?
While Pressing the scrub off
switch, does the scrub deck lift
light turn on at the A1 board?
Down: RED
Up: GREEN
Repair or replace
wiring or plug.
Does the motor
run?
Check for continuity in the harness
wires RED/ORN to pin J2-3 at the A1
board. BLK wire to battery ground.
At the lift motor separate the plug and
check for continuity between the
RED and ORN wires (retract limit
switch) at the motor plug.
On the A1 Board is the
retract limit yellow light
on? Note: the yellow
limit light is one of 14
grouped together.
Replace lift motor.
Check for
continuity in the lift
motor, wire colors
RED & YEL
Repair or replace
wiring, plug or motor
Separate motor plug and then
jump lift motor to battery
(wires RED & YEL)
Does the motor run?
Check for continuity at the motor
harness plug wires RED/GRN to
pin J1-12 and YEL/GRA J1-11 at
the A1 board.
Repair or replace
wiring or plug.
See Motor Load section
Motor Load section
Replace A1 control
board.
yes
yes
yes
yes
yes
no
no
no
no
no
no
yes
no
no
no
no
Summary of Contents for Cr 1100
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