WIKA WUC-10 Mode D'emploi page 18

10. Trouble shooting
Failure
Abnormal zero point signal
Signal span dropping off/too small
Signal span too small
In case of unjustified reclamation we charge the reclamation handling expenses.
*) 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).
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 installation, 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 WUC-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 over-
pressure
Procedure
Control the internal temperature of the
instrument within the permissible range;
observe the allowable temperature error
(see Operating Instructions)
Replace instrument
Contact the manufacturer and replace
the instrument
Correct the power supply in line with
the Operating Instructions
Re-calibrate the instrument *)
GB