Wika MHC-1 Manuel d'utilisateur télécharger pdf (Page 20)

20 WIKA operating instructions pressure transmitter, model MHC-1

14035467.01 08/2012 GB/D/F/E

Faults Causes Measures

No cyclic transmission PDO mapping

Transmission type incorrect

Check the conguration parameters

Signal span too small/drops Mechanical overload caused by

overpressure

Sealing/sealing face damaged/soiled,

sealing does not have a tight t, threads

jammed

Replace instrument

Clean the sealing/sealing face,

replace sealing if applicable

Signal span varies/inaccurate Operating temperature too high/low

Strongly varying pressure of the process

medium

Observe the permissible

temperatures

Damping; consulting by the

manufacturer

Deviating zero point signal Operating temperature too high/low

Overpressure limit exceeded

Permissible temperatures

Observe the permissible

overpressure limit

If complaint is unjustied, we will charge you the complaint processing fees.

Error codes

The error codes can be found under "Additional instructions"

The “Additional instructions” are available for download at www.wika.com.

CAUTION!

If faults cannot be eliminated by means of the measures listed above, shut down the

instrument immediately, and ensure that pressure and/or signal are no longer present,

and secure the instrument from being put back into operation inadvertently. In this case,

contact the manufacturer. If a return is needed, please follow the instructions given in

chapter 9.2 "Return".

8. Faults

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Wika MHC-1 Manuel d'utilisateur Page 20