BASIC TROUBLESHOOTING
PROBLEM
The wiring not connected
correctly or bad wiring
No Power
Bad brush motor
Carbon brushes worn out
The wiring not connected
Vacuum
correctly or bad wiring
motor does
Bad vacuum motor
not run
Carbon brushes worn out
Bad ball valve
Bad solution valve
Little or no
solution flow
Ball valve position in need of
adjustment
Squeegee clogged
Squeegee blades worn
Squeegee not mounted
correctly
Vacuum hoses have a hole or
are loose
Vacuum hose may be clogged Check hose for debris and remove any clog.
Poor water
Drain hose stopper is loose
pick up
Vacuum motor is loose
cover tank is loose
Recovery tank is full
float shut off is clogged
UN18C
CAUSE
SOLUTION
Check the wiring or contact UnoClean
Distributor
Contact UnoClean Distributor
Contact UnoClean Distributor
Check the wiring or contact UnoClean
Distributor
Contact UnoClean Distributor
Contact UnoClean Distributor
Contact UnoClean Distributor
Contact UnoClean Distributor
When ball valve is in horizontal position,the
amount of solution flow is maximum.
Clean debris off squeegee with a damp towel
Install new squeegee blades
Confirm that the squeegee assembly is securely
fastened to the machine and not loose fitting.
Check hose connections and make sure they
are firm. Replace hose if damaged.
Tighten drain plug.
Tighten vac motor mounting screws. Do not
over tighten or damage will occur.
Confirm the cover tank is securely in its place.
Drain recovery tank
Remove float shut off from inside recovery tank
and remove any debris
OPERATOR MANUAL
11
Need help?
Do you have a question about the UN18C and is the answer not in the manual?