3 remove interferences, 4 how to proceed in case of repair – VEGA VEGADIS 62 User Manual

Page 40

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8

.3 Remove interferences

The operator of the system is responsible for taking suitable measures
to rectify faults.

Connect a handmultimeter in the suitable measuring range according
to the wiring plan. The following table describes possible errors in the
current signal and helps to remove them:

Error

Cause

Rectification

4 … 20 mA signal
not stable

l Level fluctua-

tions

l Set damping according to the in-

strument via the indicating and
adjustment module or PACTware/
DTM

4 … 20 mA signal
missing

l Electrical con-

nection faulty

l Check connection according to

chapter "Connection steps" and if
necessary, correct according to
chapter "Wiring plan".

l Voltage supply

missing

l Check cables for breaks; repair if

necessary

l Operating vol-

tage too low or
load resis-
tance too high

l Check, adapt if necessary

Current signal
greater than 22 mA
or less than
3.6 mA

l Electronics

module in the
sensor defecti-
ve

l 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 the normal working hours on
seven days a week around the clock.

Since we offer this service worldwide, the support is in the English
language. The service itself is free of charge, the only costs involved
are the normal call charges.

8

.4 How to proceed in case of repair

If a repair is necessary, please proceed as follows:

Reaction when malfunc-
tions occur

Check the 4 … 20 mA
signal

Reaction after fault rec-
tification

24

hour service hotline

40

VEGADIS

62

8 Diagnosis and service

36469

-EN

-120329

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