OPERATION
24
SpeedScrub Rider 331140 (02- 09)
MACHINE TROUBLESHOOTING
Problem
Cause
Remedy
Trailing water- poor or no
water pickup
Vacuum fan turned off
Turn vacuum fan on
Worn squeegee blades
Rotate or replace squeegee blades
Squeegee out of adjustment
Adjust squeegee
Vacuum hose clogged
Flush vacuum hoses
Vacuum fan filter dirty
Clean vacuum fan filter
Vacuum fan cover seals worn
Replace seals
Debris caught on squeegee
Remove debris
Vacuum hose to squeegee or
recovery tank disconnected or
damaged
Reconnect or replace vacuum hose
Recovery tank cover not
completely closed
Check for obstructions and close
cover
Vacuum fan will not turn on
Vacuum fan switch turned off
Turn vacuum switch on
Recovery tank full
Drain recovery tank
Foam filling recovery tank
Empty recovery tank
Use less detergent
Recovery tank sensor dirty or stuck Clean or replace sensor
Little or no solution flow to
the floor (Conventional
Scrubbing Mode)
Solution tank empty
Fill solution tank
Solution flow turned off
Turn solution flow on
Solution supply lines plugged
Flush solution supply lines
Clogged solution tank filter
Drain solution tank. remove
solution tank filter, clean and
reinstall
Poor scrubbing performance One Step Scrub button not on
Turn One Step Scrub button on
Improper detergent or brushes
used
Contact Tennant service
representative
Recovery tank full
Empty recovery tank
Solution tank empty
Fill solution tank
Debris caught on scrub brushes or
pads
Remove debris
Worn scrub brush
Replace scrub brush
Broken or loose brush drive belt
(Cylindrical models)
Replace or tighten belt
Brush pressure set too light
Increase brush pressure
Low battery charge
Charge batteries until the charger
automatically turns off