WIKA WUD-26 - Handbuch (Seite 20)

Operating instructions/Betriebsanleitung, WUD-2x
11611057.01 GB/D 11/2013
20
9. Maintenance, accessories / 10. Trouble shooting
9. Maintenance, accessories
■ WIKA's pressure transducers require no maintenance.
■ Have repairs performed by the manufacturer only.
Accessories: For details about the accessories (e. g. connectors), please refer to WIKA‘s price list, WIKA‘s product catalog
on CD or or contact our sales department.
10. Trouble shooting
WARNING!
Open pressure connections only after the system is without pressure!
WARNING!
■ Take precautions with regard to remaining media in removed pressure transducers. Remaining media in the
pressure port may be hazardous or toxic!
■ Remove the pressure transducer from service and mark it to prevent it from 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 of the pressure connection.
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 (3-wire) has been chosen?
Failure Possible cause Procedure
Output signal unchanged after change in
pressure
Mechanical overload through overpressure Replace instrument; if failure reoccurs, consult
the manufacturer *)
Wrong supply voltage Replace instrument
No output signal No/incorrect voltage supply or current spike Adjust the voltage supply according to the
operating instructions *)
Cable break Check connections and cable
GB