Nilfisk-Advance Captor 4800 - Side Brooms will Not Turn

30 - FORM NO. 56043093 / Captor
™
4300, 4800, 5400
SWEEPING SYSTEM
TROUBLESHOOTING GUIDE
Possible Symptom
1 Side brooms will not turn
Part A: Electrical
Note: Do all testing with the key switch ON, the hopper closed, main broom lowered. Side broom lower switch pressed on the display panel
and the drive pedal activated.
Side brooms will not turn
Press the side broom lower
switch, (located on the
A2 display panel).
Is its green indicator light on?
Substitute a new A2
display panel
Do side brooms operate?
Check for 12 volts at L10 side
broom motors coil.
Wire colors
(+) ORG
(-) BRN/BLK
Repair or replace L10
coil wiring.
Do the side broom
motors operate?
Check L10 coil resistance
(9 ohm)
Repair or replace L10
coil.
Do the side broom
motors operate?
See Hydraulic side broom
troubleshooting section
Part B
Yes
Yes
Yes
No
No
No
On the A1 board is the S10
side brooms motor relay
indicator light on?
Replace A1 control
board
Do the side broom
motors operate?
No
Yes