Vega VEGABAR 53 4 … 20 mA_HART Bedienungsanleitung PDF herunterladen (Seite 45)

8Maintenanceandfaultrectication

VEGABAR 53 • 4 … 20 mA/HART

36722-EN-130321

Error code Cause Rectication

4 … 20 mA

signal not

stable

Leveluctuations – Set the integration time via the

display and adjustment module or

PACTware

No atmospheric pres-

sure compensation

– Check the pressure compensation

inthehousingandcleanthelter

element, if necessary

4 … 20 mA

signal miss-

ing

Connection to volt-

age supply wrong

– Check connection according to

chapter"Connection steps"and

if necessary, correct according to

chapter"Wiring plan"

No power supply

– Checkcablesforbreaks;repairif

necessary

Operating voltage

too low or load resist-

ance too high

– Check, adapt if necessary

Current sig-

nal greater

than 22 mA

or less than

3.6 mA

Electronics module

or measuring cell de-

fective

– Exchange the instrument or send it

in for repair

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

circuits must be observed.

Error code Cause Rectication

E013 no measured value

available

– Exchange the instrument or send it

in for repair

E017 Adjustment span too

small

– repeatwithmodiedvalues

E036 no operable sensor

software

– Carry out a software update or send

instrument for repair

E041 Hardware error

– Exchange the instrument or send it

in for repair

Depending on the reason for the fault and the measures taken, the

stepsdescribedinchapter"Set up"mayhavetobecarriedoutagain.

8.3 Exchanging the electronics module

In case of a defect, the electronics module can be exchanged by the

user against an identical type. If no electronics module is available on

side, the module can be ordered from the agency serving you.

Ordering and exchange are possible with or without sensor serial

number. The electronics module with serial number includes order-

specic data such as factory setting, seal material etc. These are not

included in the electronics module without serial number.

Error messages via the

display and adjustment

module

Reactionafterfaultrecti-

cation

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

range.

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