MACHINE TROUBLESHOOTING
SGJ32 86037680 01/03/07
4-18
PROBLEM CAUSE
ERROR
CODE
SOLUTION
Battery disconnected
Check connections of all battery
cable connections
Emergency shut-off
activated
Reset
Battery cables corroded
Clean connections
Main fuse blown
Replace fuse
No power to machine
Faulty key switch
Replace switch
Low battery charge
Charge batteries
Machine turned on with
pedal not in neutral position
Allow pedal to return to neutral
Restart.
Wheels spin
Decrease brush pressure
Controller overheated
7802/7801
Allow cool down period
Loose motor connection
7800
Check wires and connections
from controller to motor
Loose throttle connections or
faulty throttle potentiometer
0814
Check wires and connections
from throttle to LCD and
potentiometer resistance
Loose brake switch
connection or faulty brake
switch
Check connections and switch
continuity
Little or no propel
Loose seat switch
connection or faulty seat
switch
Check connections and switch
continuity
Faulty throttle
Check throttle
Forward speed only
Reverse speed only
Faulty throttle
Check throttle
Squeegee out of adjustment
Adjust squeegee
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
Vacuum hose damaged
Replace hose
Vacuum motor inlet filter
dirty
Clean or replace inlet filter
Recovery tank not sealed
Replace damaged seals
Poor or no water pick-up
Foam filling recovery tank
Empty recovery tank use less or
different detergent
Use defoamer
Faulty actuator
Repair/replace actuator
Squeegee will not go up/down
Loose connection
Check wires and connections
from controller to actuator