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3 exchanging the electronics module – VEGA VEGAPULS 61 (≥ 2.0.0 - ≤ 3.8) 4 … 20 mA__HART four-wire User Manual

Page 46

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Error

Cause

Removal

V

oltage supply

missing

C

heck cables for breaks; repair if

necessary

O

perating voltage

too low or load
resistance too
high

C

heck, adapt if necessary

C

urrent signal

greater than 22 mA
or less than
3.6

mA

O

scillator in the

sensor defective

E

xchange the instrument or send it in

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

à Sensor in boot phase
à Sensor does not find an echo, e.g. due to faulty installation or

wrong parameter adjustment

?

E

017

l

A

djustment span too small

à Carry out a fresh adjustment and increase the distance

between min. and max. adjustment

?

E

036

l

no operable sensor software

à Carry out a software update or send instrument for repair

?

E

041, E042, E043

l

H

ardware error, electronics defective

à Exchange the instrument or send it in 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

.3 Exchanging the electronics module

I

f the electronics module is defective, it can be replaced by the user.

I

n Ex applications only one instrument and one electronics module with

respective Ex approval may be used.

Fault messages via the
indicating/adjustment
module

Reaction after fault rec-
tification

46

VEGAPULS

61 • 4 … 20

mA/HART four-wire

8 M

aintenance and fault rectification

28439

-EN

-100426