62
Maintenance
Troubleshooting
PROBLEM
CAUSE
SOLUTION
No machine function
Console lid is open
Close console lid
No power to machine
Battery disconnected
Check all battery cable connections
Emergency shut-off activated
Reset
Battery cables corroded
Clean connections
Faulty key switch
Replace switch
Batteries not plugged in
Plug batteries in
On Board charger plugged in
Un-plug and stow cord
Little or no propel
Low battery charge
Charge batteries
Tripped circuit breaker
Reset controller circuit breaker
Controller protecting motor from overload
Controller limits motor amperage. Allow
unit to cool down for several minutes.
Machine is stalled against an obstacle
(threshold, curb, etc.)
Remove obstacle or push machine away
from obstacle
Controller overheated
Allow cool down period
Loose motor connection
Check wires and connections from
controller to motor
Faulty throttle circuit or potentiometer
Check wires and connections from and
potentiometer resistance
Drive Lever disengaged
Engage drive
Machine does not
change speeds
Faulty speed control circuit or switch
Check wires & connections
Forward speed only
Reverse speed only
Faulty forward/reverse circuit
Check wires & connections
Poor or no water pickup Debris caught on squeegee
Remove debris
Worn squeegee blades
Rotate or replace squeegee blades
Vacuum hose clogged
Clear obstruction from hose
Vacuum hose disconnected from squeegee
or recovery tank
Reconnect vacuum hose
Recovery tank float system dirty
Clean float system
Recovery tank not sealed
Latch console cover
Check or replace damaged gasket
Vacuum circuit breaker tripped
Reset circuit breaker
Float-ball shut-off engaged tank full
Empty recovery tank
Foam filling recovery tank
Empty recovery tank. Use less or different
detergent. Use defoamer
Battery indicator light
flashing
Battery needs charged
Charge Battery
Controller is indicating a fault code
See fault code table
86398220 Operators Manual - Chariot-2 iScrub 20
