MAINTENANCE
Tennant T300 (03- 2015)
45
TROUBLESHOOTING - Continued
PROBLEM
CAUSE
SOLUTION
Trailing water - poor or
not water pickup
Full recovery tank or excessive foam
buildup
Drain recovery tank
Loose drain hose cap or flow control
valve is open
Replace cap or close flow control valve on
drain hose
Worn squeegee blades
Rotate or replace squeegee blades
Clogged drip trap (Squeegee
assembly)
Remove cover and clean
Clogged squeegee assembly
Clean squeegee assembly
Loose vacuum hose connection
Secure vacuum hose connection
Clogged vacuum hose
Flush vacuum hose
Clogged vacuum hose
Flush vacuum hose
Damaged vacuum hose
Replace vacuum hose
Clogged float shut-off screen in
recovery tank
Clean screen
Recovery tank lid not completely
closed
Check lid for obstructions
Defective seals on recovery tank lid
Replaced seal
Little or no solution flow
Empty solution tank
Refill solution tank
Low solution flow rate set
Increase solution flow rate
Clogged solution tank filter
Clean filter
Plugged solution supply line
Flush solution supply line
Severe environment tank
does not dispense deter-
gent
No detergent
Refill tank
Faulty float switch
Contact service
Defective pump
Contact service
Defective pump potentiometer
Contact service
Faulty control panel
Contact service
Short run time
Low battery charge
Charge batteries
Batteries need maintenance
See BATTERIES
Defective battery or end of battery life
Replace batteries
Battery discharge indicator (BDI)
programmed incorrectly
See BATTERY CHARGER SETTINGS
Faulty charger
Replace battery charger
Brush pressure set too high
Lower brush pressure.
