48
Maintenance
Troubleshooting
PROBLEM CAUSE SOLUTION
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
On board charger plugged in Unplug and stow cord
Main circuit breaker tripped Reset circuit breaker
Little or no propel Low battery charge Charge batteries
Machine turned on with pedal not in neutral
position
Allow pedal to return to neutral. Restart.
Tripped circuit breaker Reset circuit breaker
Wheels spin Decrease brush pressure
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
Faulty drive reset circuit or switch Check wires, connections and switch
Faulty platform circuit or switch Check wires, connections and switch
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 vacuum shoe Remove debris
Damaged vacuum shoe Replace vacuum shoe
Vacuum hose clogged Clear obstruction from hose
Vacuum hose disconnected from vacuum
shoe
Reconnect vacuum hose
Recovery tank float system dirty Clean float system
Recovery tank not sealed
Latch recovery tank lid to tank. Replace
damaged gaskets
Float-ball shut-off engaged, tank full Empty recovery tank
Foam filling recovery tank
Empty recovery tank. Use less or different
detergent. Use defoamer.
Vacuum shoe not contacting the floor
correctly
Check vacuum shoe latch engagement
Vacuum shoe clogged Take vacuum shoe apart and clean
Vacuum shoe not recovering efficiently
Verify gasket between cover and glide of
vacuum shoe is installed correctly and not
damaged.
86372820 Chariot 3 iExtract 26 Duo
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