VEGA VEGADIS 12 - Manual (Page 20)

7 Maintenance and fault rectification
7.1 Maintenance
When used as directed in normal operation, VEGADIS 12 is
completely maintenance free.
7.2 Remove interferences
The operator of the system is responsible for taken suitable
measures to remove interferences.
VEGADIS 12 offers maximum reliability. Nevertheless faults
can occur during operation. These may be caused by the
following, e.g.:
l
Sensor
l
Process
l Supply
l
Signal processing
The first measure to take is to check the output signal as well
as the atmospheric pressure compensation. 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, if these measures are not 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.
First of all open the housing cover. The indicated measured
value must not change. However, if the indicated value
changes nevertheless, the compensation of the atmospheric
pressure is not ensured. Check the breather facility on the
housing and the capillaries in the special cable.
Connect a handheld multimeter in the suitable measuring
range according to the wiring plan.
Reaction in case of failures
Causes of malfunction
Fault rectification
24 hour service hotline
Check pressure compensa-
tion
Checking the 4 … 20 mA sig-
nal
20 VEGADIS 12
Maintenance and fault rectification
20591
-EN
-071128