Troubleshooting
41
►
Dilute the fluid.
Foreign bodies in the pump or pipes.
►
Check whether foreign bodies have gotten into the pump.
►
Remove any foreign bodies.
Is the pump leaking or is the delivery even?
NO
YES
The O-rings between the valve plate and the pump housing are defective.
►
Replace the O-rings.
The components in the suction side are wrong.
►
Check all pipes,hoses and valves.
►
Replace the components accordingly.
Are operating noises getting louder?
NO
YES
Is delivery obtained?
YES
NO
The screw of the clamping ring is not tightened properly.
►
Tighten the screw.
The coupling halves are too close together.
►
Mount the coupling with the necessary clearance.
The connecting element of the coupling is worn.
►
Replace the coupling.
The pump and motor are not correctly aligned.
►
Align the pump to the motor.
Is delivery obtained?
YES NO
Is there an even delivery?
YES
NO
Is pressure reached?
NO
YES
►
Check components in the pressure side.
►
Avoid air in the fluid.
►
Tighten all terminals.
The pipe cross-sections are too small.
►
Make sure that the pipes are adequately dimensioned.
The pressure side is sealed.
►
Check all valves and the diaphragm.
The diaphragm is burst (usually pumping pressure too high).
►
Replace the diaphragm.
The pump has cooled down too fast after SIP.
►
Allow the pump to cool down slowly to room temperature.
