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
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