Kärcher Chariot 3 - CV 86/1 RS Bp, Manual

Page: 43 / 140

43
Maintenance
Troubleshooting
PROBLEM CAUSE SOLUTION
No power to machine Battery disconnected
Check all battery cable connections;
replace or tighten as necessary.
Emergency shut-off activated Reset
Faulty key switch Replace switch
Battery cables corroded Clean connections
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
Tripped circuit breaker Reset circuit breaker and check brush
Controller overheated Allow cool down period
Loose motor connection
Check wires and connections from
controller to motor, replace or tighten as
necessary.
Faulty throttle circuit or potentiometer
Check wires and connections from throttle
to controller and potentiometer resistance,
replace or tighten as necessary.
Faulty drive reset circuit or switch
Check wires, connections and switch,
replace or tighten as necessary.
Faulty platform circuit or switch
Check wires, connections and switch,
replace or tighten as necessary.
Machine does not
change speeds
Faulty speed control circuit or switch
Check wires, connections and switch,
replace or tighten as necessary.
Forward speed only
Reverse speed only
Faulty forward/reverse switch Replace Switch
Vacuum motor does not
run, or runs slowly
Faulty vacuum circuit or switch
Check wires connections and motor,
replace or tighten as necessary.
Worn vacuum motor brushes Replace brushes, check commutator
Full vacuum bag Replace vacuum bag
Clog in vacuum system Check for and remove debris
Low battery charge Charge battery
Poor vacuum
performance
Debris caught in system Remove debris
Low battery charge Charge batteries
Brush motors do not
run, or run slowly
Full vacuum bag Replace vacuum bag
Clog in vacuum system Check for and remove debris
Low battery charge Charge battery
Worn brush motor brushes Replace brushes, check commutator
Faulty brush circuit or motor
Check wires, connections and motor,
replace or tighten as necessary.
8.644-672.0 Operator Manual - Chariot 3 - CV86/1 RS Bp