EN
OPERATION
EX--SC--1020 (04--10)
10
TROUBLE SHOOTING
PROBLEM
CAUSE
SOLUTION
Machine does not operate.
Faulty switches or wiring.
Contact Service Center.
Faulty power cord.
Contact Service Center.
Building circuit breaker tripped.
Reset breaker.
Solution pump does not operate.
Overheated pump.
Determine cause and wait 20 minutes
for pump to cool.
Faulty solution pump.
Contact Service Center.
Faulty solenoid.
Contact Service Center.
Faulty switch.
Contact Service Center.
Loose or broken wiring.
Contact Service Center.
Vacuum motor does not operate.
Vacuum motor thermal overload
tripped.
Check air flow for obstruction, wait 20
minutes for motor to cool.
Loose or broken wiring.
Contact Service Center.
Faulty Vacuum/Pump switch.
Contact Service Center.
Defective vacuum motor.
Contact Service Center.
Worn carbon brushes.
Replace brushes or call for service.
Brush motor does not operate.
Brush/Spray Triggers not pulled.
Pull Brush/Spray Triggers.
Brush motor circuit breaker tripped.
Remove brush obstruction OR
readjust brush height. Reset brush
breaker button at bottom of switch
box.
Faulty brush motor.
Contact Service Center.
Loose or broken brush belt.
Contact Service Center.
Faulty switch or wiring.
Contact Service Center.
Poor pick up.
Float shut-off screen is activated.
Drain recovery tank.
Loose drain hose plug.
Cap drain hose securely.
Clogged float shut--off screen.
Remove recovery lid and clean float
shut--off screen.
Air leakage around recovery lid.
Re--position recovery lid or replace
gaskets.
Loose vacuum hose connections.
Secure connections.
Defective vacuum hose.
Replace hose.
Loose vacuum hose cuffs.
Secure cuffs to hose.
Damaged, loose or missing pickup
head shoes.
Repair or replace pickup head shoes.
Pulling machine too fast.
Slow down cleaning process.
Uneven or no spray.
Solution tank low or empty.
Refill solution tank.
Dirty or plugged spray tips and
screens.
Clean or replace tips and screens.
Improper spray tip size or spray angle. Replace with proper tips.
Worn spray tips.
Replace spray tips.
Faulty solution pump.
Contact Service Center.
Plugged solution tank filter.
Clean filter.
Pinched or kinked internal solution
hoses.
Reroute or replace solution hose.
Summary of Contents for EX-SC-1020
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