Flowserve ER 50-1 Manual de usuario descargar pdf (Pagina 17)

Troubleshooting

Fault ﬁnding list

Level has exceeded switchpoint “High Water” – no function

Fault: Mains voltage has not been applied.

Remedy: Apply mains voltage. Wire equipment according to the wiring diagram.

Fault: The electric conductivity is too low.

Remedy: Use level switch with higher response sensitivity (0.5 μS/cm).

Fault: The electrode body does not have earth connection to the boiler.

Remedy: Clean seating surfaces and insert metal joint ring (of stainless steel 1.4301) to 33 x 39 to

DIN 7603. Do not insulate compact system with hemp or PTFE tape!

Level has fallen below switchpoint “Low Water” – no function

Fault: The electrode tips have earth connection.

Remedy: Change installation position.

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 (optional) are closed.

Remedy: Open isolating valves.

Switchpoint has been reached – incorrect function

Fault: The switching function has not been correctly allocated. Electrode tips have been cut to the

wrong length.

Remedy: Identify electrode supply wire and reconnect accordingly.

If faults occur that are not listed above or cannot be corrected, please contact our service centre or

authorized agency in your country.

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Flowserve ER 50-1 Manual de usuario Pagina 17