
6
TROUBLESHOOTING
Sympton Cause
Solution
No power supply
The power cord is damaged.
Replace the power cord.
The power supply in the house or
building is disconnected or tripped.
Check, repair or replace.
The power is switched on, but all
the motors run intermittently
Power cord problem.
Repair or replace.
The switch is damaged.
The terminal is loose or the
contact is poor.
No sucking force or the sucking
force is low
The drain valve is open.
Close the drain valve.
The gap between the motor head
and tank is unsealed.
Tighten and seal it.
The interface between the
aspiration pipe and the interface
on the tank is unsealed.
Plus in and seal it.
The water suction pipe is blocked. Clean the aspiration pipe.
There is dirt deposited on the
floating ball support.
Remove the dirt.
The aspiration pipe is damaged.
Replace the aspiration pipe.
The vacuum motor installation is
loose.
Tighten the screws.
The pump has started, but the
nozzle fails to spray the solution
The nozzle is blocked.
Wash the nozzle.
Filter on the bottom of the water
tank is blocked.
Clean the filter.
The pump is damaged.
Repair or replace.
Foreign material exists in the
pump.
Repair.