
OPERATION
Tennant 1510 (12- 02)
21
TROUBLESHOOTING - Continued
PROBLEM
CAUSE
SOLUTION
Poor vacuum recovery.
Recovery tank is full.
Empty recovery tank.
Float Shut-off screen inside recovery
tank is clogged.
Remove screen and clean.
Pickup vacuum shoe is clogged with
debris.
Clean pickup vacuum shoe.
Loose drain hose plug.
Tighten plug.
Vacuum hose connections are loose
or hose has a hole.
Push hose cuffs firmly on connections.
Replace hose if damaged.
Clogged vacuum hose.
Remove clogged debris.
Recovery tank inlet hole is obstructed. Empty recovery tank and tilt tank side-
ways to access inlet hole, remove ob-
struction.
Battery charge level is low.
Charge batteries. Do not run machine
when battery meter is in the red zone.
Recovery tank cover is not in place.
Properly position lid.
Worn tank cover gasket.
Replace gasket.
Loose vacuum motor.
Contact Service Center.
Faulty actuator.
Contact Service Center.
Short run time.
Batteries not fully charged.
Charge batteries.
Defective batteries.
Replace battery.
Batteries need maintenance.
See BATTERY MAINTENANCE.
Faulty charger.
Repair or replace battery charger.