Trouble Shooting - Tennant EX-SC-3840 Manual Del Operario

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.
EX- -SC- -3840 / EX- -SC- -3851 (04- -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 motor circuit breaker tripped.
Brush/Spray button not pushed.
Faulty brush motor.
Loose or broken brush belt.
Faulty switch or wiring.
Loose drain hose plug.
Clogged float shut--off screen.
Air leakage around recovery dome.
Loose vacuum hose connections.
Defective vacuum hose.
Loose vacuum hose cuffs.
Pulling machine too fast.
Dirty or plugged spray tips.
Improper spray tip size or spray angle. Replace with proper tips.
Worn spray tips.
Solution tank low or empty.
Faulty solution pump.
Plugged solution tank filter.
Home Find... Go To..
OPERATION
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.
Remove brush obstruction OR
readjust brush height. Reset brush
breaker button at bottom of switch
box.
Push Brush/Spray Button.
Contact Service Center.
Contact Service Center.
Contact Service Center.
Cap drain hose securely.
Remove recovery dome and clean lint
off screen.
Tighten recovery dome knobs or
replace gaskets.
Secure connections.
Replace hose.
Secure cuffs to hose.
Slow down cleaning process.
Clean or replace tips.
Replace spray tips.
Refill solution tank.
Contact Service Center.
Clean filter.
EN
9