Trouble Shooting - Tennant EX-SC-1020 Manual Del Operario

OPERATION
EN

TROUBLE SHOOTING

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