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VEGA VEGABAR 61 4 … 20 mA_HART User Manual

Page 51

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?

4 … 20

mA signal not stable

l

L

evel fluctuations

à Set the integration time via the indicating and adjustment

module or PACTware

l

no atmospheric pressure compensation

à Check the pressure compensation in the housing and clean

the filter element, if necessary

?

4 … 20

mA signal missing

l

W

rong connection to power supply

à Check connection according to chapter "Connection steps"

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

l

N

o power supply

à Check cables for breaks; repair if necessary

l

O

perating voltage too low or load resistance too high

à Check, adapt if necessary

?

C

urrent signal greater than 22 mA or less than 3.6 mA

l

electronics module or measuring cell defective

à Exchange instrument or return instrument for repair

I

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

circuits must be observed.

?

E

013

l

no measured value available

8)

à Exchange instrument or return instrument for repair

?

E

017

l

A

djustment span too small

à repeat with modified values

?

E

036

l

no operable sensor software

à Carry out a software update or send the instrument for repair

?

E

041

l

H

ardware error

à Exchange instrument or return instrument for repair

D

epending on the failure reason and measures taken, the steps

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

8)

F

ault 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

VEGABAR

61 • 4 … 20

mA/HART

51

8 M

aintenance and fault rectification

27519

-

EN

-081209