Wika WUC-16 Manual de usuario descargar pdf (Pagina 20)

11384850.07 GB/D 06/2014

WIKA Operating instructions / Betriebsanleitung, WUC-1x

Failure Possible cause Procedure

No/False output signal Incorrectly wired (e.g. Connected as 2-wire

instead of 3-wire system)

Follow pin assignment (see Instrument Label /

Operating Instructions)

Abnormal output signal or

Abnormal zero point signal

Zero point set wrongly Adjust zero point correctly (see chapter 8); a

suciently accurate current/volt meter should

be used

Abnormal zero point signal Medium or ambient temperature too high/

too low

Control the internal temperature of the instru-

ment within the permissible range; observe the

allowable temperature error (see Operating

Instructions)

Diaphragm is damaged, e.g. through impact,

abrasive/agressive media; corrosion of

diaphragm/pressure connector.

Replace instrument

Signal span dropping o/too small Diaphragm is damaged, e.g. through impact,

abrasive/agressive media; corrosion of

diaphragm/pressure connector

Contact the manufacturer and replace the

instrument

Signal span too small Power supply too high/too low Correct the power supply in line with the

Operating Instructions

Mechanical overload through overpressure Re-calibrate the instrument *)

In case of unjustied 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).

10. Trouble shooting GB

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 transmit-

ter 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 certicate (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 lled-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 nd the Product Return Form on our internet site (www.wika.com).

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