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Page -26- Clarke
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Operator's Manual -FOCUS S17/L17 and S20/L20
EN
There is no solution flow.
The solution flow does not stop.
The machine does not remove all the
water from the floor.
The batteries do not give the normal
running time.
Fill the solution tank.
Remove the obstruction from the hose or filter.
Repair or replace the valve or the electric
wiring.
Replace control module
Close or Clean the solution valve.
Repair or replace the valve and the wiring.
Clean the solution valve.
Replace the seat and washer.
Replace control module.
Lower the squeegee.
To adjust, see the section titled "How to Adjust
the Squeegee".
Drain the recovery tank.
Clean the screen filter.
Remove the obstruction or repair the damage.
Check for tripped breaker. Have an authorized
service person make repairs.
Check and connect hose.
Turn or replace the squeegee blade.
Correctly install the squeegee blade.
Replace the gaskets.
Clean the terminals and connectors. Replace
the damaged cables. Charge the batteries.
Add distilled water to each cell and charge the
batteries.
Charge the batteries for a full 16 hour charge.
Have an authorized service person repair the
charger.
Check voltage of each cell while discharging.
Connect the batteries.
Adjust Pressure.
PROBLEM CAUSE ACTION
The solution tank is empty.
There is an obstruction in the solution hose
or filter.
The solution valve or electric wiring is
damaged.
The control module is defective.
The solution valve is open.
The solution valve or wiring is damaged.
The solution valve is dirty
There is a damaged seat and washer in the
solution valve.
The control module is defective.
The squeegee is up.
The squeegee tilt is not correct.
The recovery tank is full.
The screen filter is dirty.
There is an obstruction or damage in the
squeegee or squeegee hose.
The vacuum motor is not running.
The squeegee hose is disconnected, or
damaged
The squeegee blade is damaged, worn, or
incorrectly installed.
The gaskets on the cover of the recovery
tank are damaged.
The battery terminals are dirty or damaged.
The electrolyte level is too low.
The batteries are not fully charged.
The charger is damaged.
The battery is defective.
The batteries are disconnected.
Brush is in heavy scrub setting.
HOW TO CORRECT PROBLEMS IN THE MACHINE