VEGA VEGAVIB 67 - NAMUR - Manual (Page 25)

7 Maintenance and fault rectification
7.1 Maintenance
When used as directed in normal operation, VEGAVIB 67 is
completely maintenance-free.
7.2 Fault rectification
VEGAVIB 67 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 measure to be taken is checking the output signal. In
many cases, the causes can such be determined and failures
can be rectified.
If the following measures are not successful, please call in
urgent cases the VEGA service hotline at +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.
?
VEGAVIB 67 signals "covered" when the vibrating element
is not submerged (overfill protection)
?
VEGAVIB 67 signals "uncovered" when the vibrating
element is submerged (dry run protection)
l Supply voltage too low
à
Check the power supply
l Electronics defective
à
Push the characteristics reversal switch. If the instru-
ment then changes the mode, the instrument may be
mechanically damaged. Should the switching function
in the correct mode still be faulty, return the instrument
for repair.
à
Push the characteristics reversal switch. If the instru-
ment then does not change the mode, the oscillator
may be defective. Exchange the oscillator.
Fault rectification
24 hour service hotline
Checking the switching signal
VEGAVIB 67 - with NAMUR output 25
Maintenance and fault rectification
31220
-EN
-060508