Vega VEGABAR 81 HART and accumulator pack - Operating I Bedienungsanleitung PDF herunterladen (Seite 47)

9 Diagnosis, asset management and service

VEGABAR 81 • HART and accumulator pack

45026-EN-131107

Error Cause Rectication

4 … 20 mA signal

missing

– Electrical con-

nection faulty

– Check connection according to

chapter "Connection steps" and

if necessary, correct according to

chapter "Wiring plan"

– Voltage supply

missing

– Check cables for breaks; repair if

necessary

– Operating volt-

age too low or

load resistance

too high

– Check, adapt if necessary

Current sig-

nal greater than

22 mA or less

than 3.6 mA

– Electronics

module in the

sensor defec-

tive

– 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 "Setup" must be carried out again or must

be checked for plausibility and completeness.

Should these measures not be successful, please call in urgent cases

the VEGA service hotline under the phone no. +49 1805 858550.

The hotline is also available outside normal working hours, seven

days a week around the clock.

Sinceweoerthisserviceworldwide,thesupportisprovidedin

English. The service itself is free of charge, the only costs involved are

the normal call charges.

9.5 Exchanging the electronics module

In case of a defect, the user can replace the electronics module with

another one of identical type.

In Ex applications, only instruments and electronics modules with ap-

propriate Ex approval may be used.

If there is no electronics module available on site, one 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.

The serial number is stated on the type label of VEGABAR 81 or on

the delivery note.

Youcannddetailedinformationontheelectronicsexchangeinthe

booklet "Operating instructions for electronics module VEGABAR

series 80".

9.6 Software update

The following components are required to update the sensor soft-

ware:

•

Sensor

Reaction after fault recti-

cation

24 hour service hotline

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 67 68

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