Wika IPT-11 Manual do Utilizador descarregar pdf (Página 34)

? 4 … 20 mA signal missing

l Connection to voltage supply wrong

à Check connection according to chapter "Connection steps"

and if necessary, correct according to chapter "Wiring plan"

l No power supply

à Check cables for breaks; repair if necessary

l Operating voltage too low or load resistance too high

à Check, adapt if necessary

? Current signal greater than 22 mA or less than 3.6 mA

l electronics module or measuring cell defective

à Exchange the instrument or send it for repair

In Ex applications, the regulations for the wiring of intrinsically safe

circuits must be observed.

? E013

l no measured value available

à Exchange the instrument or send it for repair

? E017

l Adjustment span too small

à repeat with modiﬁed values

? E036

l no operable sensor software

à Carry out a software update or send instrument for repair

? E041

l Hardware error

à Exchange the instrument or send it for repair

Depending on the failure reason and measures taken, the steps

described in chapter "Set up" must be carried out again, if necessary.

7.3 Instrument repair

You can download a return form (24 KB) in the Internet from our

homepage

www.wika.com under the item "Service".

If a repair is necessary, please proceed as follows:

l Print and ﬁll out one form per instrument

Fault message can also appear if the pressure is higher than the nominal

range.

Fault messages via the

indicating/adjustment

module

Reaction after fault rec-

tiﬁcation

34 Process pressure transmitter IPT-1* Vers. 3.0 - metalic sensor • 4 … 20 mA

7 Maintenance and fault rectiﬁcation

37300-EN-100302

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Wika IPT-11 Manual do Utilizador Página 34

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