USER MANUAL
12
TROUBLESHOOTING
Trouble Possible Cause Remedy
The machine does not work,
indicator light (51) do not turns on
The battery connector is disconnected Connect
The batteries are completely discharged Charge the batteries
The power line disconnected from the
power
Connect
The machine does not work,
indicator light(51) display red
The batteries are discharged Charge the batteries
Brush motor does not work, brush
indicator light (52) do not turns on
The PCB or key board is faulty Change the PCB or key board
Brush motor does not work, brush
indicator lights (52) flash
The deck motor is overloaded Use less aggressive brushes
suitable for the floor to be cleaned
There are foreign materials(tangled
threads,etc)preventing the brush from
rotating
Clean the brush hub
Vacuum system motor does not
work, vacuum motor indicator light
(53) do not turns on
The PCB or key board is faulty Change the PCB or key board
Vacuum system motor does not
work, brush indicator lights (53)
flash
The vacuum system motor is overloaded Check the vacuum system motor
The suction power is insufficient The recovery tank is full. Empty the recovery tank.
The hose is disconnected from the
squeegee
connect
Vacuum assembly is clogged Clean or check
The squeegee is dirty, or the squeegee
blades are worn or damaged
Clean and check the squeegee
The recovery tank do not limited Lock the latch(17)
The tank cover is not properly closed, or
the gasket is damaged
Close the cover properly or
replace the gasket
Squeegee adjustment piece (58) not set at
an appropriate position
Adjust the screw nut (59) to the
appropriate position
The solution flow is insufficient.
The solution is empty Fill the tank
Solution flow control valve(31) is block
up
Clean the valve
The solution is dirty Empty the solution, clean the tank
and refill with clean solution
The squeegee leaves marks on the
floor.
There is debris under the squeegee blades
Remove the debris
The squeegee blades are worn, chipped
or torn
Replace the blades