Nilfisk-Advance CR 1100 Quick Start Troubleshooting Manual page 35

TROUBLESHOOTING GUIDE
Possible Symptom
1 Side Broom(s) will not turn.
Part B: Electrical Load Circuit
Note 1: Do all testing with the key switch on, side brooms lowered, broom lever lowered, hopper open indicator light off and drive pedal activated
(Place in forward or reverse).
Side broom(s) will not turn
Is the F5 20 amp CB open
yes
Inspect side broom(s) for possible
mechanical binding, (clean debris
wrapped around motor or brooms).
Reset or replace CB
Do the side broom(s) run?
no
At the K8 solenoid load wire
VIO/GRA (+ battery input) check
no
for 36V to battery ground
yes
At the K8 solenoid load wire
WHT/RED (+ output to side broom
motor(s) ) check for 36V to battery
ground.
yes
Check for 36V at side broom
motor(s) wires
WHT/RED(+) & BLK(-)
yes
Repair or replace the M8/M9
side broom motors
SWEEPING SYSTEM
Repair or replace
defective wire. Do the
no
side broom(s) run?
Replace K8 solenoid.
no
Do the side broom(s)
Repair or replace defective wire(s)
or connectors. Note: there are 2
no
splices located in the hopper dust
control compartment for the motor
wires. Do the side broom(s) run?
FORM NO. 56043126 - CR 1100, CR 1200 - 33
no
no
run?
no