11
Tennant EH1 (01/2014)
EN
PROBLEM
POSSIBLE CAUSE
SOLUTION
Low pump
pressure
Plugged or dirty solution tank inlet filter
Clean solution tank inlet filter
Faulty Pump
Contact a qualified service technician
No spray
Solution tank is empty
Fill solution tank
Solution hose is not properly connected
Secure solution hose connection
Spray tip is plugged
Clean or replace spray tip
Pump motor is not running
Verify machine is plugged in and turned on
Plugged/dirty pump solution tank inlet filter
Unplug solution tank inlet filter
Damaged solution hose
Replace solution hose
Pump not
running
No power to pump -- no power to cord
Test the switch, test the pump motor, verify
power cord is plugged in properly
Circuit Breaker tripped
Reset circuit breaker on control panel
Faulty Pump
Contact a qualified service technician
Low suction
Recovery tank cover is loose or drain hose cap is loose
Close recovery tank cover and secure drain
hose cap
Damaged vacuum gasket
Contact a qualified service technician
Dirty ball float screen
Clean ball float screen
Vacuum hose connection loose or damaged vacuum hose
Check vacuum hose or replace vacuum hose
No suction
Recovery tank is full
Empty recovery tank
Circuit Breaker tripped
Reset circuit breaker on control panel
Faulty vacuum motor
Contact a qualified service technician
Low heat
Spraying too long
Shorten spray times by shortening cleaning
strokes
No heat
Circuit Breaker tripped
Reset circuit breaker on control panel
Faulty heater
Contact a qualified service technician
No power
No power to machine
Check building circuit breakers, make sure
plugs are on 2 different outlet circuits
11
English
UNPLUG POWER CORD BEFORE
SERVICING MACHINE.
TROUBLESHOOTING
