8 maintenance and fault rectification, 1 maintenance, 2 fault rectification – VEGA VEGASON 66 Foundation Fieldbus User Manual
Page 40: 8 maintenance and fault rectification

8 Maintenance and fault rectification
8.1 Maintenance
When used as directed in normal operation, VEGASON 66 is
completely maintenance free.
8.2 Fault rectification
VEGASON 66 offers maximum reliability. Nevertheless faults
can occur during operation. These may be caused by the
following, e.g.:
l
Sensor
l
Process
l
Power supply
l
Signal processing
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 this 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.
?
When an additional instrument is connected, the H1
segment fails.
l
Max. supply current of the segment coupler exceeded
à
Measure the current consumption, reduce size of
segment
?
Measured value on the indicating and adjustment module
does not correspond to the value in the PLC
l
The menu item "Display - Display value" is not set to
"AI-Out"
à
Check values and correct, if necessary
Causes of malfunction
Fault rectification
24 hour service hotline
Checking Foundation Field-
bus
Maintenance and fault rectification
40
VEGASON 66 - Foundation Fieldbus
28795
-EN
-060731