Tennant T391 Manuel D'instructions page 24

PROBLEM
The machine does not work
The brushes do not turn
The machine does not clean uniformly
No solution comes out of the detergent tank
The suction motor does not start
The squeegee does not clean or has poor suction
The machine does not move
The batteries do not provide the normal working time
The water/detergent drain hose does not show the level of the Tap on water/detergent drain hose closed
Severe Environment
ec-H2O NanoClean
Device not working
ec-H2O NanoClean
Red and green indicator Leds of the ec-H2O NanoClean system
blinking
ec-H2O NanoClean
Red indicator Led of the ec-H2O NanoClean system blinking
* Verify whether or not detergent has been added to the water/detergent tank. If the ec-H2O NanoClean device has been used with water containing
TROUBLESHOOTING
CAUSE
The batteries are disconnected
Blown fuse
Electronic key not inserted
The dirty water tank is full
Blown fuse
Relay damaged
Check the brushes (or carbon brushes)
Motor damaged
The brush or abrasive disks are worn
Solenoid valve damaged
Solenoid valve dirty
The detergent tank is empty
The hose delivering detergent to the brush is blocked
Blown fuse
Solenoid valve damaged
Solenoid valve wiring damaged
The dirty water tank is full
Blown fuse
Squeegee lever raised
Check the brushes (or carbon brushes)
Motor damaged
Blockage or damage in the squeegee
is faulty
Blockage in the suction hose
The suction hose is not connected to the squeegee or is
damaged
The blade pressing devices may be fastened upside down
Check the brushes (or carbon brushes)
Damaged motor
The battery poles and charging terminals are dirty and oxidised
The battery charger does not work or is not suitable
Cap on water/detergent drain hose not unscrewed
Severe Environment tank empty
Pump damaged
Device fuse tripped
Pump fuse tripped
Pump damaged
Water conditioning cartridge life expired
Fault detected in the ec-H2O Nano Clean system
*
EN
REMEDY
Connect the batteries to the machine
Recharge the batteries
Replace
Engage.
Empty the dirty water tank
Replace
Replace
Recharge the batteries
Replace
Replace
Replace
Replace
Check
Top up
Unblock
Replace
Replace
Check
Empty the dirty water tank
Replace
Lower
Recharge the batteries
Replace
Replace
Replace the blades
Check
Check
Check
Check for proper orientation
Recharge the batteries
Replace
Replace
Clean and grease the poles and terminals, charge the batteries
Check
Remove the cap and open the tap
Top up
Contact Customer Service
Reset the fuse
Reset the fuse
Contact Customer Service
Replace the cartridge, referring to the section "Replacing the
ec-H2O NanoClean water conditioning cartridge"
Contact Customer Service
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