Maintenance; Trouble Shooting - SICK LFH Manual De Instrucciones

Operating Instructions
Functional test
The output signal must be proportional to the pressure. If not, this might point to a damage of
the diaphragm. In that case refer to chapter 10 „Troubleshooting".
Observe the ambient and working conditions outlined in section 7 „Technical
„
data".
Please make sure that the pressure transmitter is only used within the overload
„
Warning
threshold limit at all times!

8. Maintenance

SICK pressure transmitters require no maintenance.
„
Have repairs performed by the manufacturer only.
„
9. T roubleshooting
Take precautions with regard to remaining media in and at removed pressure
„
transmitters. Remaining media may be hazardous or toxic!
Remove the pressure transmitter from service and mark it to prevent it from
„
Warning
being used again accidentally, if it becomes damaged or unsafe for operation.
Have repairs performed by the manufacturer only.
„
Do not insert any pointed or hard objects into the pressure port for cleaning to prevent
damage to the diaphragm.
Please verify in advance if pressure is being applied (valves/ ball valve etc. open) and if the right
voltage supply and the right type of wiring (2-wire/ 3-wire/4-wire) has been chosen.
22 © SICK AG • Germany • Subject to change without notice 8013156/U878 /2010-05-01
7. Starting, operation / 8. Maintenance, accessories LFH