General Machine Troubleshooting Guide Table Of Contents - Nilfisk-Advance Captor 5400 Quick Start Troubleshooting Manual

GENERAL MACHINE SYMPTOM TROUBLESHOOTING GUIDE TABLE OF CONTENTS
Engine will not crank ........................................................................................................................................................... 18
Engine will crank but not start ............................................................................................................................................. 19
All the machine accessory functions do not work ..........................................................................................................20-21
Forward/Reverse auto accessory function do not work ...................................................................................................... 22
Hydraulic motor(s) will not stop running .............................................................................................................................. 23
Wheel Drive System (Troubleshooting check list) ............................................................................................................... 24
Steering System (Troubleshooting guide) ........................................................................................................................... 25
Sweep System ...............................................................................................................................................................26-33
Main broom will not turn ...............................................................................................................................26-27
Side brooms will not turn ..............................................................................................................................28-29
Side brooms will not raise/lower ........................................................................................................................ 30
Dust control impeller will not run ..................................................................................................................31-32
Shaker motor will not run ................................................................................................................................... 33
Hopper System ..............................................................................................................................................................34-40
Hopper will not raise .....................................................................................................................................34-35
Hopper will not lower ....................................................................................................................................36-37
Hopper dump door will not open ....................................................................................................................... 38
Hopper dump door will not close ....................................................................................................................... 39
Hopper dump door will not open or close .......................................................................................................... 40
Scrub System .................................................................................................................................................................41-50
Scrub deck will not lower in (pressure setting 1) ..........................................................................................41-42
Scrub deck will not lower in (pressure setting 2) ..........................................................................................43-44
Scrub deck will not lower in (pressure setting 3) ..........................................................................................45-46
Scrub deck will not raise ...............................................................................................................................47-48
Scrub brush motors will not operate .............................................................................................................49-50
Solution System .................................................................................................................................................................. 51
Solution solenoid will not operate ...................................................................................................................... 51
Recovery System ...........................................................................................................................................................52-56
Vacuum motor will not operate .....................................................................................................................52-54
Squeegee will not raise/lower .......................................................................................................................55-56
Note: To aid in machine system troubleshooting; see the electrical and hydraulic manual sections for additional drawing of part component
locations and diagrams to support wiring and hydraulic circuits.
18 - FORM NO. 56043093 / Captor
4300, 4800, 5400
™
A1 Control Board
Indicator Lights
Note: Remove left side
operator's compartment panel
to access A1 Board.