Maintenance And Fault Rectification; Maintenance; Remove Interferences - Vega VEGAPULS 63 Operating Instructions Manual

Reaction when malfunc-
tions occur
Causes of malfunction
Fault rectification
24 hour service hotline
Checking the 4 ... 20 mA
signal
VEGAPULS 63 • 4 ... 20 mA/HART - four-wire
8 Maintenance and fault rectification

8.1 Maintenance

When used in the correct way, no special maintenance is
required in normal operation.

8.2 Remove interferences

The operator of the system is responsible for taken suitable
measures to remove interferences.
A maximum of reliability is ensured. Nevertheless, faults can
occur during operation. These may be caused by the following,
e.g.:
Sensor
l
Process
l
Voltage supply
l
Signal processing
l
The first measures to be taken are to check the output signals
as well as to evaluate the error messages via the indicating
and adjustment module. The procedure is described below.
Further comprehensive diagnostics can be carried out on a PC
with the software PACTware and the suitable DTM. In many
cases, the causes can be determined in this way and faults
can be rectified.
However, should these measures not be successful, call the
VEGA service hotline in urgent cases under the phone no. +49
1805 858550.
The hotline is available to you 7 days a week round-the-clock.
Since we offer this service world-wide, the support is only
available in the English language. The service is free of
charge, only the standard telephone costs will be charged.
Connect a handheld multimeter in the suitable measuring
range according to the wiring plan.
? 4 ... 20 mA signal not stable
Level fluctuations
l
à Set integration time via the indicating/adjustment
module
8 Maintenance and fault rectification
43