VEGA VEGAVIB 55 - two-wire - Manual (Page 22)

7 Maintenance and fault rectification
7.1 Maintenance
When used as directed in normal operation, VEGAVIB 55 is
completely maintenance free.
7.2 Remove interferences
VEGAVIB 55 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 be taken is to check the output signal. In
many cases, the causes can be determined this way and the
faults 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.
?
VEGAVIB 55 signals "covered" when the vibrating element
is not submerged (overfill protection)
?
VEGAVIB 55 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
Press the mode switch (min./max.). If the instrument
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 mode switch. If the instrument then does not
change the mode, the oscillator may be defective.
Exchange the oscillator.
Causes of malfunction
Fault rectification
24 hour service hotline
Checking the switching signal
22 VEGAVIB 55 - - two-wire
Maintenance and fault rectification
29304
-EN
-070109