Specifications

OPERATION
32
Tennant 5400 (05--03)
TROUBLESHOOTING -- Continued
PROBLEM CAUSE SOLUTION
Poor water pickup. Recovery tank is full and ball float has
been activated.
Empty recovery tank.
Ball float screen inside recovery tank
is clogged.
Remove screen and clean.
Clogged squeegee. Clean squeegee.
Worn squeegee blades. Replace squeegee blades.
Loose squeegee thumbscrews. T ighten thumbscrews.
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.
Worn tank lid gasket. Replace gasket.
Loose drain hose plug. Tighten plug.
Recovery tank lid not in place. Properly position lid.
Loose vacuum motor . Contact Service Center .
Battery charge level is low. Charge batteries. Do not run machine
when battery meter is in the red zone.
ES option not operating. ES filter is clogged. Remove and clean ES filter.
Faulty ES pump. Contact Service Center.
Faulty ES ON/OFF switch. Contact Service Center.
ES float switch is dirty. Rinse off float switch located in
recovery tank.
Faulty ES float switch. 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.
FaST System Option does not
operate.
Solution switch is not activated. Turn on solution switch.
FaST system switch is not turned on. Turn on FaST system switch.
FaST circuit breaker has tripped. Determine cause and reset the 10A
circuit breaker button.
Clogged FaST--PAK supply hose and/
or connectors.
Soak connector and hose in warm
water and clean.
FaST--PAK carton is empty or not con-
nected.
Replace FaST--PAK carton and/or
connect supply hose.
Clogged flow control orifice. Remove orifice, clean and reinstall
(refer to parts list diagram).
Faulty scrub mode switch. Contact Service Center.
Faulty pump or air compressor. Contact Service Center.
Clogged solution tank filter. Drain solution tank. remove solution
tank filter, clean and reinstall.
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