LEO ACm60 Instruction Manual page 12

Acquaer Ltd.
Insufficient pressure
Motor works intermittently
or the stator winding is
burned out
Leakage of mechanical
seal
Abnormal noise from the
pump
The inlet pipeline is too
long or with too many
bends, pipe diameter is
not selected as required.
Inlet pipeline, filter screen
or pump chamber is
blocked by foreign
materials.
The impeller is jammed
or under overload
operation for a long time.
Incorrect grounding,
broken cable or the
electric pump is hit by
lightning.
The mechanical seal is
worn and torn by
impurities.
Noise from the bearing.
Impeller is jammed
Excessive flow.
H-4900, Fehérgyarmat, Szatmári út 11.
Apply the pipe with the
stipulated diameter,
and make the inlet pipe
short.
Clean pipeline, foot
valve or pump
chamber, clear
sundries.
Clear sundries in the
pump chamber; operate
the pump under the
rated flow as much as
possible.
Seek for the reason, and
replace winding coils.
Clear or replace the
mechanical seal.
Replace with the same
type bearing.
Remove foreign
materials.
Adjust to the range
displayed on the
nameplate before use.