Commander T Series PB# 4100032
Rev.C 03/12
PowerBoss, Inc. Copyright 2011
Page 89
TROUBLESHOOTING
TROUBLESHOOTING CHART
PROBLEM
POSSIBLE CAUSE(S)
SOLUTION(S)
Scrubber unit not cleaning the
floor.
Brushes worn.
Replace.
Need different type of brush or detergent.
Use manufacturer’s recommended
brushes / detergent.
Debris caught in brush drive mechanism.
Clear obstruction.
Brushes out of adjustment.
Adjust.
Brush motor failure.
See Hydraulics System Problems.
Squeegee will not lower.
Loose or defective squeegee switch (on
console).
Reconnect wiring or replace switch.
Loose wire(s) at foot pedal.
Connect.
Foot pedal switches need adjustment.
Re-adjust cams.
Squeegee will not raise in
reverse or by console switch.
Foot pedal switches need adjustment.
Re-adjust cams.
Defective waterman valve
Check coil @ valve
Lift springs worn out or missing.
Replace springs.
Bad ground at valve.
Check ground.
No power at valve.
Check fuse
NOTE: Power At The Waterman Valve = Squeegee In The Up Position
No Power At Valve = Squeegee In Down Position
