OPERATION
6
Tennant 1190 (07–99)
TROUBLE SHOOTING
PROBLEM
CAUSE
SOLUTION
Machine does not operate.
Faulty power cord.
Contact Service Center.
Fuse blown or circuit breaker tripped
in the building.
Replace fuse or reset breaker.
Faulty MASTER switch.
Contact Service Center.
Loose wiring to solution pump.
Contact Service Center.
Uneven or no spray.
Plugged or worn spray tips.
Remove spray tips and clean.
Pump needs priming.
Turn on MASTER SWITCH, then push
on the quick disconnect coupler to
prime.
Solution tank filters are plugged.
Remove and clean the filters.
Solution pump is faulty.
Contact Service Center.
Loose or broken wiring to solenoid or
faulty solenoid.
Contact Service Center.
Little or no vacuum suction.
Drain valve T–handle open.
Push T–Handle to close valve.
Lint on top of standpipe screen.
Clean the screen.
Air is leaking around recovery dome.
Tighten the two dome knobs or re-
place gasket.
Loose vacuum hose at the recovery
tool or at the recovery dome.
Tighten the hose. Also check to make
sure the hose cuff is threaded onto the
hose tightly.
Defective vacuum hose.
Replace the hose.
Faulty vacuum motor.
Contact Service Center.
Drain valve leaks.
Drain valve seals are worn.
Replace seals.
Lint or dirt in drain valve.
Remove the valve and clean it. If gate
is worn, the valve may need replace-
ment.
Brush motor operates but brush
Loose or broken drive belt .
Tighten or replace drive belt.
does not spin.
Loose brush pulley or motor pulley.
Tighten set screw on the loose pulley.
Brush motor does not operate.
Must press CARPET CLEANING but-
ton to operate the brush.
Push CARPET CLEANING button.
Tripped brush circuit breaker.
UNPLUG THE MACHINE. Remove
clogging debris from brush, then push
BRUSH RESET button on switchbox.
CARPET CLEANING button is faulty.
Contact Service Center.
Loose or broken wiring.
Contact Service Center.
Faulty brush motor.
Contact Service Center.
