Vega VEGABAR 66 Operating Instructions Manual page 54

8 Maintenance and fault rectification
Fault messages via the
indicating/adjustment
module
Reaction after fault rec-
tification
54
4 ... 20 mA signal not stable
?
Level fluctuations
l
à Set the integration time via the indicating and adjustment
module or PACTware
no atmospheric pressure compensation
l
à Check the pressure compensation in the housing and clean
the filter element, if necessary
4 ... 20 mA signal missing
?
Wrong connection to power supply
l
à Check connection according to chapter "Connection steps"
and if necessary, correct according to chapter "Wiring plan"
No power supply
l
à Check cables for breaks; repair if necessary
Operating voltage too low or load resistance too high
l
à Check, adapt if necessary
Current signal greater than 22 mA or less than 3.6 mA
?
electronics module or measuring cell defective
l
à Exchange instrument or return instrument for repair
In Ex applications, the regulations for the wiring of intrinsically safe
circuits must be observed.
?
E013
no measured value available
l
à Exchange instrument or return instrument for repair
?
E017
Adjustment span too small
l
à repeat with modified values
?
E036
no operable sensor software
l
à Carry out a software update or send the instrument for repair
?
E041
Hardware error
l
à Exchange instrument or return instrument for repair
Depending on the failure reason and measures taken, the steps
described in chapter "Set up" must be carried out again, if necessary.
Fault message can also appear if the pressure is higher than the nominal
8)
range.
8)
VEGABAR 66 • 4 ... 20 mA/HART