Factory Cat MINI-MAG SERIES Service Manual page 96

13
CENTRAL COMMAND CONTROLLER
Scrub brush motor not
operating properly
13-18
MiniMAG – BRUSH ASSIST
BRUSH DRIVE MOTOR FLOW CHART
1 of 2
Is the
Test Machine / brush motor
Verify Complaint operating
properly?
NO
Is the main
power switch
Turn on the main NO
on?
power switch.
YES
Is the power
indicator lit on the
control panel?
YES
Is the
Charge
NO battery gauge in the
Batteries.
"green zone"?
YES
Reset
breaker Is the actuator
and test for YES circuit breaker
proper tripped?
operation.
NO
Press the green handle bar button while
touching the side of the brush motor
relay. You should feel the relay click
when you depress the button.
Does the
YES
relay click?
NO
GO TO
PAGE 2
"A"
Advise customer on
YES proper machine
Check for power
NO into the main
control panel
Check for ( + ) and
( - ) power at the
Do you have
brush motor when
( + ) battery
the green handle
voltage?
bar button is
depressed.
YES
Repair break in
the wiring Do you have
between the ( - ) NO ( - ) battery
buss and the voltage?
brush motor.
YES
Repair the wiring
between the ( + )
battery terminal and the
relay.
operation.
Check condition of
the batteries.
Is there
power in?
Check for power
out of the power
switch. Turn the
switch on and off
to verify switch
operation.
Is the main power
switch functioning
properly?
NO
Replace the Main
Power switch.
Check for ( + )
battery voltage at
NO either terminal on
the load side of the
brush motor relay.
GO TO
PAGE 2
"B"
Mini-Mag Service Manual V1.0