Trouble Shooting - Tennant EX-SC-412 Manuel Opérateur

OPERATION
EN

TROUBLE SHOOTING

PROBLEM
Machine does not operate.
Brush motor does not operate.
Solution pump does not operate.
Vacuum motor does not operate.
Poor solution pick-up.
Uneven or no spray.
12
CAUSE
Faulty switches or wiring.
Faulty power cord.
Building circuit breaker tripped.
Brush motor circuit breaker tripped.
Triggers not pulled.
Loose or broken brush belt.
Faulty trigger switch or wiring.
Faulty brush motor.
Solution pump circuit breaker tripped.
Triggers not pulled.
Faulty trigger switch or wiring.
Faulty solution pump motor.
Loose or broken wiring.
Faulty main power switch.
Defective vacuum motor.
Worn carbon brushes.
Defective recovery tank cover gasket.
Clogged float shut--off screen.
Accessory tool vacuum hose port
cover is loose or missing.
Loose vacuum hose connections.
Defective vacuum hose.
Loose vacuum hose cuffs.
Pulling machine too fast.
Plugged spray tips.
Improper spray tip size or spray angle. Replace with proper tips.
Clogged solenoid valve.
Worn spray tips.
Solution tank low or empty.
Faulty solution pump.
Pump needs priming.
Home Find... Go To..
SOLUTION
Contact Service Center.
Contact Service Center.
Reset breaker.
Let motor cool and reset brush motor
breaker button at rear of machine.
Pull brush/solution triggers.
Contact Service Center.
Contact Service Center.
Contact Service Center.
Let pump cool and reset pump
breaker button at rear of machine.
Pull brush/solution triggers.
Contact Service Center.
Contact Service Center.
Contact Service Center.
Contact Service Center.
Contact Service Center.
Contact Service Center.
Replace gasket.
Open recovery tank cover and clean
lint off screen.
Check vacuum hose port cover.
Secure connections under cover.
Replace hose.
Secure cuffs to hose.
Slow down cleaning process.
Clean or replace tips.
Contact Service Center.
Replace spray tips.
Refill solution tank.
Contact Service Center.
Prime pump by pressing solution hose
coupler tip located at front of machine.
EX- -SC- -412 / EX- -SC- -1530 (04- -10)