TROUBLE SHOOTING
PROBLEM
Machine not operating.
Brush not turning.
Poor pick--up.
Vacuum motor not
operating.
Tennant 3280 (03- -04)
CAUSE
Power cord not plugged in.
Damaged power cord.
Tripped circuit breaker in building.
Loose or damaged internal wiring.
Machine circuit bnreaker tripped.
Broken belt.
Belt not adjusted properly.
Defective brush switch.
Defective brush motor.
Filter bag full.
Secondary vacuum filters dirty.
Air flow lever in wrong position.
Brush intake area obstructed.
Pick--up hose or housing plugged.
Gasket leak.
Brush not adjusted properly.
Worn brush.
Thermal overloads activated due to plug or
obstruction.
Vacuum switch defective.
SOLUTION
Connect to power supply.
Contact Service Center.
Reset breaker in building.
Contact Service Center.
Reset breaker. Check for brush obstruc-
tion or low brush setting.
Replace belt.
Readjust belt.
Contact Service Center.
Contact Service Center.
Empty bag.
Clean and replace.
Move lever to proper setting.
Check for obstruction and remove.
Check for obstruction and remove.
Replace gasket.
Reset brush adjustment.
Adjust or replace.
Inspect and clean.
Contact Service Center.
OPERATION
9