OPERATION
18
Tennant 5540/5560 (06--01)
TROUBLE SHOOTING --continued
PROBLEM
CAUSE
SOLUTION
Poor squeegee pick up.
Recovery tank is full.
Empty recovery tank.
Ball float shutoff screen inside
recovery tank is clogged.
Remove screen and clean.
Squeegee is clogged with debris.
Clean squeegee.
Squeegee blades are worn.
Replace squeegee blades.
Squeegee thumbscrews are loose.
Tighten thumbscrews.
Vacuum hose connections are
loose or hose has a hole.
Push hose cuffs firmly on connec-
tions. Replace hose if damaged.
Vacuum hose is clogged with
debris.
Remove clogged debris.
Recovery tank water inlet is
plugged. Inlet is located at bottom
of recovery tank.
Empty recovery tank and tilt it
sideways to locate inlet hole,
remove clogged debris.
Tank gasket is defective.
Replace gasket.
Drain hose plug is loose.
Tighten drain plug.
Clear recovery tank lid is loose.
Tighten lid.
Vacuum motor is loose.
Contact Service Center.
Battery charge is low.
Charge batteries. Do not run
machine when battery meter is in
the red zone.
Drive motor does not run.
Main circuit breaker has tripped or
is pulled.
Determine cause and reset
breaker.
Faulty Main switch.
Contact Service Center.
Faulty speed control circuit board
or connection.
Contact Service Center.
Faulty solenoid.
Contact Service Center.
Faulty wiring.
Contact Service Center.
Faulty drive motor.
Contact Service Center.
Worn carbon brushes.
Contact Service Center.
Drive motor runs, but not correctly.
Faulty potentiometer or speed
control board.
Contact Service Center.
Faulty resistor.
Contact Service Center.
Little or no solution flow.
Solution flow lever in not activated.
Push solution flow lever forward.
Solution line or filter is clogged.
Remove hose and blow com-
pressed air through it. Flush solu-
tion tank after each use.
Solution valve is clogged.
Remove valve and clean. Do not
scratch or damage inside of valve.
Solution flow adjustment knob
needs adjusting.
Turn solution flow knob clockwise
to increase flow.
Safety lights do not work.
Flasher is burned out.
Contact Service Center.