(1) The slurry pump speed is too high, this will not only lead to power problem but also may cause over heat
(2) Liquid specific gravity higher than the original design value
(3) The transmission fluid viscosity too high
(4) Over size slurry pump Impeller
(5) Resistance of pipeline system exceeds or less
(6) The pump head is too low and flow rate too large
(7) The rotor and the stator parts have friction
(8) Bearing wear or damage
(9) Pressure of mechanical seals for sealing seat is too high
(10) Discharge pipeline rupture
(11) The pump shaft is bend already
(12) Different parts of pump with uneven heat expansion
(13) Dynamo meter instrument allowed
(14) The pump balancing device does not work
