TROUBLE SHOOTING
PROBLEM
Uneven or no spray from tips.
Leaking floor tool.
Solution pump will not operate.
Poor or no vacuum suction.
Tennant 1120 (03- -04)
CAUSE
Dirty or plugged spray tips.
Improper tip size or improper spray
angle.
Worn spray tips.
Pump switch off.
Solution hose not connected.
Quick coupler on floor tool faulty.
Flow control valve leaking.
Hose split or fittings loose.
Solution hose connection not fully
engaged.
Fuse blown or circuit breaker tripped
in building.
Faulty pump switch.
Loose wiring to solution pump.
Faulty solution pump.
Fuse blown or circuit breaker tripped
in building.
Faulty vacuum switch.
Drain hose plug open or loose.
Lint is clogging float shut-off screen.
Air is leaking around clear cover lids.
Vacuum hose is loose.
Holes in vacuum hose or hose cuffs
loose on the hose.
Faulty vacuum motor.
Faulty vacuum gasket.
Float shut-off screen activated.
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OPERATION
SOLUTION
Clean or replace tips.
Replace with proper tips. Also check
alignment of spray tips. Spray tips
should overlap one another.
Replace spray tips.
Turn the pump switch on.
Make sure solution hose is connected.
Replace quick coupler.
Contact Service Center.
Replace hose and tighten fittings.
Reconnect quick coupler.
Replace fuse or reset breaker in
building..
Contact Service Center.
Contact Service Center.
Contact Service Center.
Replace fuse or reset breaker in
building.
Contact Service Center.
Plug drain hose and tighten knob.
Remove recovery lid and clean lint off
screen.
Tighten tank lids.
Push hose firmly onto recovery tool
and onto front of extractor.
Replace hose or thread cuffs securely
onto hose.
Contact Service Center.
Replace gasket.
Turn off vacuum, empty tank.
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