OPERATION
8210D 330210 (1--98)
62
Problem
Cause
Remedy
Little or no solution flow to the
fl
Solution tank empty.
Fill solution tank.
floor.
Solution flow switch turned off.
Turn solution flow switch on.
Solution supply lines plugged.
Flush solution supply lines.
ES switch off.
Turn ES switch on.
Manual control valve nearly closed Open valve more
Poor scrubbing performance.
Debris caught on scrub brushes.
Remove debris.
Improper detergent or brushes
used.
Check with TENNANT
representative for advice.
Worn scrub brushes.
Replace scrub brushes.
ES system does not fill solution
t k
Clogged solution pump or lines.
Flush ES system.
tank.
ES float stuck.
Clean floats of debris.
Clogged ES pump filter.
Clean filter.
Water levels too low in tanks.
Add water.