NSS WRANGLER 1708CE, Operation Manual

6 

TROUBLE-SHOOTING 

PROBLEM CAUSE 

SOLUTION 

No Solution Flow. 

Solution tank is empty. 

Fill the tank. 

Clogged filter. 

Clean filter. 

The solution valve is closed. 

Open the solution valve. 

Obstruction in the solution hose. 

Remove the obstruction. 

Solution valve or linkage damaged. 

Repair / replace the valve linkage. 

Solution hose kinked. 

Check for kinks and remove. 

Solution Flow Does Not 
Stop. 

The solution valve is open.

Close the solution valve.

Solution valve or linkage damage.

Repair / replace the valve linkage.

The solution valve is dirty.

Clean the solution valve.

Damaged seat and washer in valve. 

Replace valve. 

The valve stem is dirty.

Clean and lubricate valve stem.

Hose disconnected or damaged between 
solution tank and valve.

Reinstall or replace hose.

Will Not Pick Up Any  
Water From Floor. 

Squeegee is up. 
Squeegee hose is off or plugged. 

Lower squeegee. 
Reinstall hose. Remove cap inside the 
Recovery tank to clean hose restriction. 

Vac motor switch is off. 

Turn vac motor switch “on”. 

Recovery tank is full. 

Empty tank. 

Vacuum shut-off float is stuck. 

Open float valve/remove obstruction

. 

Obstruction / damage in the squeegee, 
squeegee hose or standpipe. 

Remove obstruction / repair damage. 

Leaking over gasket. 

Remove old gasket / replace. 

Vac motor is not running. 

Have an authorized serviceman repair. 

Recovery drain hose not plugged 
properly. 

Install drain hose plug properly. 

Will Not Pick Up All Of The 
Water From The Floor. 

Debris on squeegee blades. 
Squeegee blade is worn / damaged. 

Clean squeegee. 
Reverse / replace squeegee blade. 

Obstruction / damage in the squeegee, 
squeegee hose, or standpipe. 

Remove obstruction / repair damage. 

Squeegee angle needs adjustment. 

Adjust angle. 

Vacuum motor worn out. 

Repair / replace vac motor. 

Recovery tank drain hose damaged. 

Repair / replace recovery drain hose. 

Cleaning Is Not Even. 

Brush / pad is worn. 

Replace brush / pads. 

Damage to brush assembly; casters or 
solution valve. 

Have an authorized serviceman repair. 

Machine does not run. 

Circuit breaker tripped. 

Reset circuit breaker. 

NOTE: If any problems remain after taking the above steps, contact your local authorized 
distributor / service station for further evaluation and repair.