18
Troubleshooting
Fault finding list for troubleshooting
Switchpoint “Pump OFF” exceeded – no function
Fault:
The electronic insert is defective.
Remedy:
Replace the electronic insert with a new one.
Fault:
The screw-in body does not have earth connection to the vessel.
Remedy:
Clean sealing surfaces and insert metal joint ring as shown in the drawing.
Do not insulate compact system with hemp or PTFE tape!
Fault:
The compact system is not supplied with voltage.
Remedy:
Switch on supply voltage. Wire equipment according to the wiring diagram.
Fault:
The thermal fuse has been triggered.
Remedy:
The ambient temperature must not exceed 70 °C.
Replace thermal fuse.
Fault:
The electrical conductivity is too low.
Remedy:
Set code switch
4
to ≥ 0.5 μS/cm.
Level below switchpoint “Low level” – no function
Fault:
The vent hole in the protection tube does not exist, is obstructed or flooded.
Remedy:
Check protection tube and, if necessary, provide vent hole.
Fault:
The isolating valves of the external measuring pot are closed.
Remedy:
Open isolating valve.
Fault:
The electrode tips have earth contact.
Remedy:
Check and, if necessary, change position of installation.
Switchpoint has been reached – incorrect function
Fault:
The switching function has not been assigned correctly. Electrode tips have been cut to
the wrong size.
Remedy:
Identify electrode supply wires and reconnect the electronic insert accordingly.
If faults occur that are not listed above or cannot be corrected, please contact our service centre or
authorized agency in your country.
