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5 El motor está caliente.
GB
PROBLEM
1 The pump doesn't start
2 The pump runs but does
notpump.
3 The pump does not deliver
as per performance curve.
4 The pump vibrates.
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5.1 El líquido es demasiado
denso.
5.2 La conexión eléctrica es
errónea.
5.3 El rotor toca en el cuerpo o
hay cuerpos extraños.
5.4 El eje de la bomba ha su-
frido daños.
POSSIBLE SOURCE
1.1 Power failure.
1.2 Seized impeller.
2.1 The impeller is damaged.
2.2 The manual delivery valve
is closed.
2.3 Suction is blocked.
2.4 Fluid is too dense.
2.5 Clogged suction.
3.1 Fluid is too dense.
3.2 Clogged delivery pipe.
3.3 Clogged suction.
3.4 The impeller is damaged.
3.5 Damaged pump body.
3.6 Electrical motor is wrongly
connected.
3.7 The electric motor is da-
maged.
4.1 Suction clogs while wor-
king.
4.2 Damaged pump shaft.
4.3 The impeller touches the
pump body.
4.4 Worn-out sealing b shing.
4.5 Worn-out bearings.
4.6 Incorrect installation.
5.1a No se aplica solución.
5.2a Comprobar la tensión de alimentación y la conexión en
el motor.
5.3a Abrir la bomba y verificar.
5.4a Abrir la bomba, desmontar el motor y revisar el eje de la
bomba y que su rotación sea concéntrica.
SUGGESTION
1.1a Check the electrical power circuit and supply
1.2a Disassemble the pump body and check.
2.1a Disassemble the pump and check the impeller.
2.2a Open the delivery valve and/or check the delivery pipes
2.3a Open the suction valve and/or check the suction pipes
and filter condtitons
2.4a Install oversized pipes, especially for suction and decre-
ase the pump revolutions
2.5a Check and clean
3.1a No solution.
3.2a Check and clean.
3.3a Check and clean.
3.4a Replace the pneumatic exchanger.
3.5a Disassemble the pump body and check.
3.6a Check the electrical connection and power voltage.
3.7a Replace the motor.
4.1a Replace suction pipe.
4.2a Disassemble pump and motor and check the shaft and
its rotation concentricity.
4.3a Open the pump and check.
4.4a Open the pump, disassemble the sealing and check its
condition.
4.5a Open the pump, disassemble the play of the bearings.
4.6a Check the installation again with greater care.
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