Faults
2022/04
Operating instructions Concept PDG 2906 peristaltic dosing pump
37 / 44
12
Faults
General faults
Error
Cause
Remedy
Pump does not pump or
pumps too little
Pump tube worn and/or
hardened
Replace pump tube
Back pressure too high
Reduce back pressure
Suction height too high
Fit pump lower down
Pump tube fouled
Clean or replace pump tube
Eliminate cause of fouling
Motor does not turn
Power supply interrupted
Switch on power supply
Motor overloaded because tube
kit has hardened
Replace pump tube
Motor faulty
Replace pump
Container empty signal as a
result of open contact at
function input 1
Container empty
Change container
No suction lance connected
Connect suction lance, or bridge
terminals 11, 12 with a wire
bridge
Tube rupture
Pump tube faulty
Clean pump housing
Replace pump tube
Tube holder leaking
Clean pump housing
Check pressure line for
blockages
Pump overload
Incorrect dimensioning of pump Fit a more powerful pump
Process error
Fix process error
Modify the work process
Adjust parameters on pump
If it is not possible to solve the problem with this information, please contact our
customer service department directly.
