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Vega VEGABAR 65 4 … 20 mA_HART User Manual Page 49

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? 4 … 20 mA signal not
stable
l Level fluctuations
à Set the integration time via the indicating and adjustment
module or PACTware
l no atmospheric pressure compensation
à Check the pressure compensation in the housing and clean
the filter element, if necessary
? 4 … 20 mA signal missing
l Wrong connection to power supply
à Check connection according to chapter "Connection steps"
and if necessary, correct according to chapter "Wiring plan"
l No power supply
à Check cables for breaks; repair if necessary
l Operating voltage too low or load resistance too high
à Check, adapt if necessary
? Current signal greater than 22 mA or less than 3.6 mA
l electronics module or measuring cell defective
à Exchange instrument or return instrument for repair
In Ex applications, the regu
lations for the wiring of intrinsically safe
circuits must be observed.
? E013
l no measured value available
7)
à Exchange instrument or return instrument for repair
? E017
l Adjustment span too small
à repeat with modified values
? E036
l no operable sensor software
à Carry out a software update or send the instrument for repair
? E041
l Hardware error
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.
7)
Fault message can also appear if the pressure is higher than the nominal
range.
Fault messages via the
indicating/adjustment
module
Reaction after fault rec-
tification
VEGABAR 65 • 4 … 20 mA/HART 49
8 Maintenance and fault rectificati
on
27531-EN-081209
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