Problem
Cause
Remedy
The impeller and flow
guidance are rubbing each
other
Listen to the sound of the pump carefully. If
there are rubbing noises, adjust the impeller
until the noise is gone
Power
consumption
of pump
is too large
The impeller is clogged with
weeds or foreign matter
Check and clean the pump
The connector of the inlet
pipe is loose or is leaking
Check the inlet pipeline and fix accordingly
No flow
suddenly
Suction head has been
exceeded
Check the suction head and lower the
position of the pump
Suction head is too high and
causing cavitation
Check the Suction head and lower the
position of the pump
Large water output
Decrease the output of the water
Inlet pipe is clogged with
foreign matter, so the
resistance is too large
Check the inlet pipe and filter net and clean
if necessary
Rotary part is loose
Listen carefully and inspect the part that
causes the noise then stop the machine and
adjust as necessary
Pump unit is loose or not
installed properly
Stop the machine and adjust the pump and
engine
Air inside the pump unit or air
inside the pipeline
Remove the air drain screw and eliminate
the air
Vibrational
noises
Impeller damaged
Stop the machine and replace the impeller
Содержание PROFESSIONAL SERIES 30TP
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