SWING M delivery pump / Part 2 Overview, operation and service
Operation
5.13.4
Table of faults
Fault
Possible cause
Troubleshooting
Rectification by
Pushbutton for control voltage
"ON" is not pressed
Press pushbutton for control
voltage "ON"
Operator
Power supply not in order
Repair power supply
Service technician
RCD was triggered
Reset RCD
Service technician
Dummy plug missing
Insert the dummy plug
Operator
Microfuse is faulty
Replace micro fuse
Service technician
Machine does
not start current
Fuse defective
Change fuse
Service technician
Too much dry material in the
material hopper, possibly
resulting in tunnel formation
Clean material hopper and
restart machine
Operator
Machine does
not start
material
Hardened material clogs up the
pump unit (rotor/stator)
Disassemble, clean and re-
install the pump
Operator
Pump motor defective
Replace the pump motor
Service technician
Connection cable defective
Change connection cable
Service technician
Rotor worn or defective
Replace rotor
Service technician
Stator worn or clamped too
loosely
Replace stator or re-tighten
clamp
Service technician
Pump does not
start
No original PFT spare parts
Use original PFT spare parts
Service technician
5.13.5
Hose blockages
Indications
Blockages can occur in the pressure flange or in the mortar hoses.
Indications are:
Rapidly increasing pressure head
Blockage of pump
Running difficulties or blockage of the pump motor
Expansion and turning of the mortar hose
No material leakage at the hose ends
Possible causes:
Heavily worn mortar hoses
Badly greased mortar hoses
Residual water in mortar hose
Clogging of the pressure flange
Severe restriction at the couplings
Kink in the mortar hose
Leaks at the couplings
Poorly pumping and separated materials
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