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Problem
The machine does not move forward or in reverse.
The vacuum motor switches off and does not start
The machine does not move
Water leak when machine is stopped
The brushes do not lift or lower
the squeegee does not lift or lower
TROUBLESHOOTING {2/2}
Cause
Accelerator pedal connector disconnected
Safety micro-switch under the seat, broken
Diff erential with electric traction motor damaged or
carbon brushes worn.
Traction motor thermal protection
Electric brake pedal pressed or damaged
Motor connection, motor damaged.
Reverse gear engaged
The recovery tank fl oat has cut power to the vacuum
motor.
Float blocked by impurities
Electric brake on diff erential with rear wheels elec-
tric motor, damaged or not powered
Feed tube broken
Brush motor thermal protection
Solution tank empty
Batteries discharged by 80%
The brush actuator does not receive power
Brush actuator broken
Actuator micro faulty
Control unit
Recovery tank full
Reverse gear engaged
Batteries discharged by 90%
The squeegee actuator does not receive current
Brush actuator broken
Actuator micro faulty
Control unit
81
Solution
Reconnect connector
Replace micro-switch
Replace motor or carbon brushes
Wait for motor cooling
Release pedal or replace
Check motor and the connections or replace
motor
Disengage reverse gear
Deactivate the vacuum function by pressing button
6 {Fig.4}.
Clean fl oat (see WATER DRAINING AND CLEANING
THE RECOVERY TANK {FIG.10}.
Check electric brake operation
Replace
Wait for motor cooling
Fill the tank
Recharge batteries
Check
Replace
Replace
Check control unit or replace if faulty
Empty the tank
Disengage reverse gear
Charge the batteries
Check
Replace
Replace
Check control unit or replace if faulty
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