13
TROUBLESHOOTING
1. Unable to pump up and insufficient pumping
Air enters from
the suction
pipe or
connection
Inspect the
liquid level of
the pit
Magnet is
loosing
Inspect
whether
foreign objects
stay inside
Inspcet
whether it is
overloading
Suction inlet
is clogging
Clean
the dirt off
Resistance in
the discharge
pipe
Lack of
priming liquid
(Dry running)
Pour priming
liquid
Exhaust the air
inside of the
pump
Unable to pump or insufficient pumping
Insufficient discharge volume
Unable to pump even after opening
the discharge valve
Unable to pump even after pouring
piming liquid into the pump
Remove foreign
objects from
the discharge
pipe and
inspect the
damage of the
piping
Foreign object
in the foot
valve or
suction pipe
Clean the
suction pipe
2. Pump
vibrates
Pump vibrates
Unstable
installation
Re-install
Foreign object
in the suction
pipe
(Cavitation)
Replace the
part
Worn motor
shaft
Replace the
motor
Damaged
pump shaft
Replace the
part
Contact with
impeller and
stationary parts
Replace the part
Worn bearing
Remove
foreign object
and clean up
