Troubleshooting
Type of fault
51
© Lutz-Jesco GmbH 2014
Subject to technical changes.
140725
BA-10103-02-V01
Stepper Motor-driven Diaphragm Dosing Pump
MEMDOS SMART LK
Operating instructions
Possible cause
Remedy
System back pressure too
high (measured at discharge
connection of dosing pump)
Clean blocked injection nozzle.
Install pulsation dampeners to
reduce pressure peaks if pipes
are too long.
Check function of safety valves.
Media sediment in dosing
head
Clean the dosing head.
Tab. 47: Type of fault: Diaphragm is torn or tears too often