Trouble Shooting - WIKA WU-10 Mode D'emploi

10. Trouble shooting

Failure
Abnormal zero point signal
Signal span dropping off/too small
Signal span too small
*) Make sure that after the setting the unit is working properly. In case the error continues to exist send in the instrument for reparation (or replace the unit).
In case of unjustified reclamation we charge the reclamation handling expenses.
If the problem persists, contact our sales department.
USA, Canada
If the problem continues, contact WIKA or an authorized agent for assistance. If the pressure transmitter must be returned
obtain an RMA (return material authorization) number and shipping instructions from the place of purchase. Be sure to
include detailed information about the problem. Pressure transmitters received by WIKA without a valid RMA number will not
be accepted.
Process material certificate (Contamination declaration for returned goods)
Purge / clean dismounted instruments before returning them in order to protect our employees and the environment from any
hazard caused by adherent remaining media.
Service of instruments can only take place safely when a Product Return Form has been submitted and fully filled-in. This
Return Form contains information on all materials with which the instrument has come into contact, either through installa-
tion, test purposes, or cleaning. You can find the Product Return Form on our internet site (www.wika.de).
18 WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio WU-1X
Possible cause
Medium or ambient temperature too high/too low
Diaphragm is damaged, e.g. through impact,
abrasive/agressive media; corrosion of
diaphragm/pressure connector.
Diaphragm is damaged, e.g. through impact,
abrasive/agressive media; corrosion of
diaphragm/pressure connector
Power supply too high/too low
Mechanical overload through overpressure
Procedure
Control the internal temperature of the instru-
ment within the permissible range; observe the
allowable temperature error
Replace instrument
Contact the manufacturer and replace the
instrument
Correct the power supply
Re-calibrate the instrument
*)
GB