8.0 Common faults and handling methods
8.1 Fault analysis and processing form
Malfunction
Analysis
Methods
Machine doesn
’
t
work
Did not open the power
switch
Please turn on the power
switch
Power cord broken
Check and connect
Overload protector jumps off Check and press reset
Electronic centrifugal
switch, capacitor damage
Contact the manufacturer
for replacement
Relay damage
Contact the manufacturer
for replacement
Power switch damage
Contact the manufacturer
for replacement
Brush motor
doesn
’
t work
The switch damaged
Replace
Brush motor damage and its
wiring damage
Contact the manufacturer
Relay damage
Contact the manufacturer
Suction motor
doesn
’
t work
Switch damage
Replace
Suction motor and its
circuit damage
Contact the manufacturer
Suction motor cabon brush
badly worn
Contact the manufacturer
Relay damage
Contact the manufacturer
The solution has little or no
flow
The ball valve is opened too small or
closed
Adjust flow switch
The set of flow switch is
too small or the flow switch
is off
Adjust flow switch
Solution hose or filter
clogged
Rinse the water pipe or
strainer with clean water
Drain solenoid valve is
blocked
Disassemble the discharge
solenoid valve and clean
it
Poor water
absorption
Sewage tank full
Drain the sewage tank
The plug of the drain pipe
has come loose
Tighten the drain plug
Water scraper assembly
blocked
Clean the water scraper
Water wipers wear out
Turn to use or replace
The scraper is not in the
correct position
Adjust the height of the
scraper and the ground
